Journal Papers

Sang Ji Kim, Sunjin Lee, Sang Yeol Lee, “Derivation of density of states in amorphous ALZNSNO thin film transistors by changing oxygen contents”, Optical and Quantum Electronics, Volume 57, 75(2024)

Wonjun Shin, Sunjin Lee, Ryun-Han Koo, Jangsaeng Kim, Sang Yeol Lee, Sung-Tae Lee, "Does a large response suffice? Thermally stable and low noise Si-doped IZO thin-film transistor-type gas sensors," Sensors and Actuators B: Chemical, Volume 422, 136498, ISSN 0925-4005(2025)

Sunjin Lee, and Sang Yeol Lee “Effect of an Electrical Field Applied to the Metal Capping Layer on the Electrical Properties of SiZnSnO Thin-Film Transistors for Touch Sensor Application”, Advanced Engineering Materials, 2401555 (2024) 

K.S.Usha, and Sang Yeol Lee "Fast-switching electrochromic smart windows based on WO3 doped NiO thin films, Vol.1009, 176774, Journal of Alloys and Compounds (2024)

K.S.Usha, and Sang Yeol Lee "Ultra-fast switching of energy efficient electrochromic nickel oxide thin films for smart window applications", Vol.50, Issue 19, 36651-36665 Ceramics International (2024) 

Sandeep Kumar Maurya, and Sang Yeol Lee " Effect of Amorphous Si-Zn-Sn-O Passivation Layer on Si-In-Zn-O Thin Film Transistors", Silicon, Vol.16, 5673-5679  (2024)

Ji Ye Lee and Sang Yeol Lee"Channel thickness effect on the performance of amorphous SiZnSnO semiconductor thin-film transistor with metal capping structure", J Mater Sci: Mater Electron, Vol 35, 1254 (2024) 

Ji Won Kim, and Sang Yeol Lee “Effect of surface treated amorphous Si–Zn–Sn–O on the electrical properties of thin film transistors by Ar plasma treatment”. Journal of the Korean Ceramic Society, Vol, pp (2024)

Sandeep, and Sang Yeol Lee "Enhancement in electrical properties of dual-active-layer amorphous SiZnSnO/SiInZnO thin film transistors", Solid State Electronics (2024)

K.S.Usha, and Sang Yeol Lee "Rapid thermal annealing treatment on WO3 thin films for energy efficient smart windows", Ceramics International (2024)

Ji Won Kim, and Sang Yeol Lee “Work function effect of metal electrodes on the performance of amorphous Si–Zn–Sn–O thin‑film transistors investigated by transmission line method”, J. Mater. Sci: Mater Electron, Vol. 35, 650 (2024)

Jin Young Hwang and Sang Yeol Lee, “Comprehensive effect on the development of multifunctional low emissive and transparent conductive amorphous-SIZO/Ag/amorphous-SIZO multilayer structure" Optical Materials, Vol.154, 115650 (2024) 

Wonjun Shin, Ji Ye Lee, Ryun-Han Koo, Jangsaeng Kim, Jong-Ho Lee, Sang Yeol Lee, and Sung-Tae Lee “Unveiled Influence of Sub-gap Density of States on Low-Frequency Noise in Si-Doped ZnSnO TFTs: Does Correlated Mobility Fluctuation Model Suffice?”, Advanced Electronic Materials, Vol/ 10, Issue 2, pp.2300515 (2024)

Jin Young Hwang, Sang Yeol Lee, “ Effect of sputtering power on the physical properties of amorphous SiO2-doped InZnO transparent conductive oxide”, Appl. Opt., Vol 63, 249-254 (2024)

Ji Ye Lee, Byeong-Kwon Ju, Sang Yeol Lee, “Effect of tunable sub-source and drain device behavior in four-terminal operation using metal capping thin-film transistors”, ACS Appl. Electron. Mater., Vol 5, 6189-6196 (2023)

Debabrata Saha, Sang Yeol Lee, “Crossover from direct to trap assisted Fowler Nordheim (FN) tunneling in CoFeB/MgO/CoFeB magnetic tunnel junctions”, Vol 98, 55 (2023)

So Yeon Park, Sang Yeol Lee, “ Analysis of the amorphous SiInZnO / Ag/amorphous SiInZnO multilayer structure as a next-generation transparent electrode using essential macleod program simultation”, Carbon Letter, Vol 33, 1231-1239 (2023)

Ji Ye Lee, Byeong-Kwon Ju, Sang Yeol Lee, “Influence of metal capping thin film transistor with different Si concentration in ZnSnO”, Solid State Electronics, Vol 206, 108673 (2023)

Balaji Murugan, Sang Yeol Lee, “Tunable Negative Differential Resistance Effect in a-SZTO/Dielectric/SZTO Heterostucture TFTs at Room Temperature” ACS Appl. Electron. Mater., Vol 5, 2345-2350 (2023)

Debabrata Saha, Sang Yeol Lee, “Electron conduction mechanisms in magnetic tunnel junctions fabricated using amorphous Si-Zn-Sn-O as a low-resistive semiconducting barrier” Solid State Electronics (2023)

Arijit Sarkar and Sang Yeol Lee, "Efficient UV-Sensitive Si-In-ZnO-Based Photo-TFT and Its Behavior as an Optically Stimulated Artificial Synapse", Applied Electronic Materials, (2023)

Balaji Murugan, Sang Yeol Lee, "Electrical instabilities in amorphous Si-Zn-sn-O thin film transistors under ultra-violet irradiation depending on oxygen content ", Solid State Electronics, Vol 200 (2023)

Byeong Hyeon Lee, Jingyu Park, Akash Kumar, Sungju Choi, Dae Hwan Kim, Sang Yeol Lee, “Structural and electronic properties with respect to Si doping in oxygen rich ZnSnO amorphous oxide semiconductor”. Materials Today Communications, Vol 33, 104809 (2022)

Balaji Murugan, Sang Yeol Lee, "Two-dimensional materials based on negative differential transconductance and negative differential resistance for the application of multi-valued logic circuit: a review", Carbon Letters (2022)

Balaji Murugan, Sang Yeol Lee, "Step-like current-voltage thin-film transistors with amorphous SiZnSnO/SiZnSnO/SiZnSnO multilayered-channels", Inorganic Chemistry Communications (2022)

Byeong Hyeon Lee, Ji Ye Lee, Akash Kumar, and Sang Yeol Lee, “Phase-controlled artificial SiZnSnO/P(VDF-TrFE) synaptic devices with a high dynamic range for neuromorphic computing”, Advanced Electronic Materials (2022)

Debabrata Saha, Sang Yeol Lee, “Numerical simulation of sub-gap defect states and electron transport mechanisms in amorphous Si-Zn-Sn-O thin film transistors”, Materials Science in Semiconductor Processing Vol 150, 106932 (2022)

Akash Kumar, Sang Yeol Lee, "Effect of the oxygen dependent device parameters on the electrical properties of a-Si-Zn-Sn-O thin film transistors", Microelectronic Engineering, Vol 261, 111794 (2022)

Akash Kumar, Ji Ye Lee, Sang Yeol Lee, "Phase transformation of sputtered hafnium oxide by post annealing treatment and its effect on the amorphous Si-In-Zn-O thin film transistor", Journal of Alloys and Compounds, Vol 906, 164289 (2022)

Debabrata Saha, Sang Yeol Lee, "Influence of sub-band gap density of states on the electrical performance of amorphous SiZnSnO thin film transistor", Solid-State Electronics, Vol 188, 108219 (2022)

Balaji Murugan, Sang Yeol Lee, “Effects of change of oxygen vacancy on hysteresis voltage and stability under time-temperature dependence positive bias stress in amorphous SZTO transistors”, Microelectronic Engineering, Vol 253, 111678 (2022)

Seyong Oh, Jeong-Ick Cho, Byeong Hyeon Lee, Seunghwan Seo, Ju-Hee Lee, Hyongsuk Choo, Keun Heo, Sang Yeol Lee, and Jin-Hong Park, "Flexible artificial Si-In-Zn-O/ion gel synapse and its application to sensory-neuromorphic system for sign language translation", Science Advances, Vol 7, eabg9450 (2021)

Ji Ye Lee and Sang Yeol Lee, "Mechanism of Extraodinary High Mobility in Multilayered Amorphous Oxide Thin Film Transistor", IEEE Transaction on Electronic Devices, Vol 68, 5618-5622 (2021)

Jeong Hyunk Lee, Byeong Hyeon Lee, Jeonghun Kang, Mangesh Diware, Kiseok Jeon, Chaehwan Jeong, Syang Yeol Lee, and Kee Hoon Kim, "Characteristics and Electronic Band Alignment of a Transparent p-CuI/n-SiZnSnO Heterojunction Diode with a High Rectification Ratio", Nanomaterials, Vol 11, 1237 (2021)

Sang Yeol Lee, "Optimization of transparent amorphous oxide-metal-amorphous oxide multilayer with high figure of merit for high transmittance and low resistivity", Optical materials. Vol 112, 110820 (2021)

Muhammad NaQi, Ji Ye Lee, Byeong Hyeon Lee, Sunkook Kim, Sang Yeol Lee, Hocheon Yoo, "Exceptionally Linear and Highly Sensitive Photo-Induced Unipolar Inverter Device", IEEE JEDS, Vol 9, 180-186 (2021)

 Jae Min Byun, Sang Yeoal Lee, “Oxygen Vacancy Controlled SiZnSnO Thin-Film Inverters with High Gain”, PSSa. Vol 217, 1900978 (2020)

Ji Ye Lee, Sang Yeoal Lee, “Investigation on Hump Mechanism in Amorphous SiZnSnO Thin-Film Transistor Depending on Si Concentration”, PSSa. Vol 217, 1900953 (2020)

Sang Yeoal Lee, Jin Young Hwang “Transpartent heater with meshed amorphous oxide/metal/amorphous oxide for electric vehicle applications”, Sci. Rep. Vol 10, 9697 (2020)

Jae Min Byun , Sang Yeol Lee, "Effect of channel thickness on the electrical performance and the stability of amorphous SiZnSnO thin film transistor", Materials Science in Semiconductor Processing, Vol 117, 105183 (2020)

Sang Yeoal Lee, “Carrier concentration dependency of plasma frequency in SiInZnO/Ag/SiInZnO transparent multilayer”, Physica B: Physics of Condensed Matter, Vol 592, 412242 (2020)

Ji Ye Lee and Sang Yeoal Lee, “Effect of Metal Capping on the Stability of Amorphous Si–Zn–Sn–O Thin Film Transistor by Suppressing Ambient Effect”, Journal of Nanoscience and Nanotechnology, Vol 20, 5002-5005 (2020)

Byeong Hyeon Lee, Jin Young Hwang, Sangsig Kim and Sang Yeol Lee, "Amorphous oxide based microcavity color filter with high selectivity", Optical Materials, Vol 100, 109693 (2020)

Byeong Hyeon Lee, Kyung-Sang Cho, Doo-Yong Lee, Ahrum Sohn, Ji Ye Lee, Hyuck Choo, Sungkyun Park, Sang-Woo Kim, Sangsig Kim and Sang Yeol Lee, "Investigation on energy bandgap states of amorphous SiZnSnO thin films", Scientific Reports, Vol 9, 19246 (2019)

Byeong Hyeon Lee, Sae-Young Hong, Dae-Hwan Kim, Sangsig Kim, Hyuck-In Kwon, Sang Yeol Lee, “Investigation on trap density depending on Si ratio in amorphous SiZnSnO thin-film transistors” Physica B: Condensed Matter, Vol 574, 311629 (2019)

Byoung Keun Kim, Byeong Hyeon Lee, Kyung-Sang Cho, Sang Yeol Lee, “Simulation and optimization of layer thickness of amorphous oxide SIZO/Ag/SIZO multilayer to enhance transmittance of transparent electrodes without sacrificing sheet resistance” Journal of Alloys and Compounds, Vol 798, 622-627 (2019)

Byeong Hyeon Lee, Doo-Young Lee, Ji Ye Lee, Sungkyun Park, Sangsig Kim, Sang Yeol Lee, “Investigation on the improvement of stability of nitrogen doped amorphous SiInZnO thin-film transistors” Solid-State Electronics, Vol 158, 59-63 (2019)

Byeong Hyeon Lee, Sangsig Kim and Sang Yeol Lee, “Investigation on dependency mechanism of inverter voltage gain on current level of photo stressed depletion mode thin-film transistors” Solid State Electronics, Vol 156, 5-11 (2019)

Byeong Hyeon Lee, Ahrum Sohn, Sangsig Kim and Sang Yeol Lee, “Mechanism of carrier controllability with metal capping layer on amorphous oxide SiZnSnO semiconductor” Scientific Reports, Vol 9, 886 (2019)

Byeong Hyeon Lee, Kyung-Sang, Ahrum Sohn, Sungwoo Hwang and Sang Yeol Lee, “Electorde-Adaptive Thin Film integrated Logic Circuits”, IEEE TRANSACTIONS ON ELECTRON DEVICES, Vol 66, 957-962 (2019)

Jin Young Hwang, Sang Yeol Lee, “Investigation on the change of the performance of Si-Zn-Sn-O thin film transistors under negative bias temperature stress depending on the channel thickness”, Solid State Electronics, Vol 153, 93-98 (2019)

Byoung Keun Kim, Sang Yeol Lee, “Development of Amorphous SIZO/Ag/Amorphous SIZO Multilayer for High-Performance Transparent Conducting Electrode by Controlling Ag Layer Thickness”, Journal of Nanoscience and Nanotechnology, Vol 19, 1755-1758 (2019)

Byeong Hyeon Lee, Sang Yeol Lee, “Thin Film Logic Circuits with Amorphous SiInZnO Channel Layer Annealed at Different Atmospheres for Next-Generation Integrated Circuits”, Physica status solidi (a), Vol 215, 1700732 (2018).

Byeong Hyeon Lee, Sang Yeol Lee, “Influence of channel layer thickness on the instability of amorphous SiZnSnO thin film transistors under negative bias temperature stress”, Physica status solidi (a), Vol 215, 1700698 (2018).

Byeong Hyeon Lee, Sangmin Han, Sang Yeol Lee, “Investigation on the variation of channel resistance and contact resistance of SiZnSnO semiconductor depending on Si contents using transmission line method”, Solid-State Electronics, 139, 15-20 (2018)

Jun Young Choi, Sang Yeol Lee, “Comprehensive review on the development of high mobility in oxide thin film transistors”, Journal of the Korean Physical Society, 71, 9, 516-527 (2017).

Jun Young Choi, Keun Heo, Kyung-Sang Cho, Sungwoo Hwang, Jaegwan Chung, Sangsig Kim, Byeong Hyeon Lee, Sang Yeol Lee, “Effect of Si on the Energy Band Gap Modulation and Performance of Silicon Indium Zinc Oxide Thin-Film Transistors”, Scientific Reports, 7, 15392 (2017).

Kyung-Sang Cho, Keun Heo, Chan-Wook Baik, Jun Young Choi, Heejeong Jeong, Sungwoo Hwang, and Sang Yeol Lee, “Color-selective photodetection from intermediate colloidal quantum dots buried in amorphous-oxide semiconductors”, Nature communications, 8, 840 (2017)

Keun Heo, Kyung-Sang Cho, Jun Young Choi, Sangmin Han, Yun Seop Yu, Yonmook Park, Gwangwe Yoo, Jin-Hong Park, Sung Woo Hwang, and Sang Yeol Lee, “ Temperature-dependent electrical characterization of amorphous indium zinc oxide thin-film transistors”, IEEE Transactions on electron devices, 64, 8, 3183-3188 (2017)

Byeong Hyeon Lee, Doo-Yong Lee, Ahrum Sohn, Sungkyun Park, Dong-Wook Kim, and Sang Yeol Lee, “Direct investigation on energy bandgap of Si added ZnSnO system for stability enhancement by X-ray photoelectron spectroscopy”, Journal of Alloys and Compounds, 715, 9-15 (2017)

Sangmin Han, Sang Yeol Lee, “Logic Inverter with All n-Type Amorphous SiZnSnO Thin Film Transistors”, Journal of Nanoscience and Nanotechnology, 17, 3480-3482 (2017)

Jiao Long Yu, Sang Yeol Lee, “Effect of Thermal Annealing on the optical properties of In-Si-O/Ag/In-Si-O multilayer”, Journal of Nanoscience and Nanotechnology, 17, 3477-3479 (2017)

Jun Young Choi, Byeong Hyeon Lee, Sangsig Kim, Sang Yeol Lee, ” Metal capping on silicon indium zinc oxide semiconductor for high performance thin film transistors processed at 150°C”, Journal of Nanoscience and Nanotechnology, 17, 3397-3400 (2017)

Jun Young Choi, Sangsig Kim, Byeong-Ung Hwang, Nae-Eung Lee, Sang Yeol Lee,” Flexible SiInZnO thin film transistor with organic/inorganic hybrid gate dielectric processed at 150oC” Semiconductor Science and Technology, Vol. 31. 12, 2016.11.10. (2016)

Sangmin Han and Sang Yeol Lee, “Full swing depletion-load inverter with amorphous SiZnSnO thin film transistors” PSS(a), 1-5, 2016.11.07 (2016)

Jun Young Choi, Keun Heo, Kyung-Sang Cho, Sungwoo Hwang, Sangsig Kim, and Sang Yeol Lee, “Engineering of band gap states of amorphous SiZnSnO semiconductor as a function of Si doping concentration”, Scientific Reports, published, 6:36504, 2016.11.04 (2016)

Jun Young Choi, SangSig Kim, Dae Hwan Kim, Sang Yeol Lee, “Role of metal capping layer on highly enhanced electrical performance of In-free Si-Zn-Sn-O thin film transistor”, Thin Solid Films, Vol. 594, Page 293-298, 2015

Sangmin Han and Sang Yeol Lee, “High performance of full swing logic inverter using all n-types amorphous ZnSnO and SiZnSnO thin film transistors”, Applied physics letters Vol.106, 212104 (2015)

Jun Young Choi, Sang Sig Kim., Sang Yeol Lee, “Investigation of addition of silicon on the electrical properties of low temperature solution processed SiInZnO thin film transistor”, Journal of Sol-gel Science Technology, Vol. 74, No. 2, Pages 482, January 2015 

J. Kennedy, P.P. Murmu, E. Manikandan , S.Y. Lee “Investigation of structural and photoluminescence properties of gas and metal ions doped zinc oxide single crystals” Journal of Alloys and Compounds 616, 614–617, 2014

Brijesh Kumar, Kyung-Sik Shin, Min-Su Yi, Sang Yeol Lee, and Sang-Woo Kim “Synthesis of Functional ZnO Nanowall Networks Using Simple Solution Etching” Journal of Nanoscience and Nanotechnology Vol. 14, 5207–5211, 2014

Jun Young Choi, Sang Sig Kim, and Sang Yeol Lee, “Investigation on the Performance of Vanadium-Indium-Zinc Oxide Thin Film Transistors Fabricated by Sol–Gel Method”, Journal of Nanoelectronics and Optoelectronics, Vol. 9, 1–4, 2014

HyoungSeok Choi and Sang Yeol Lee, “Effect of wet annealing on the device stability of Si-Zn-Sn-O thin film transistor”, Journal of Nanoelectronics and Optoelectronics, 9, 54-56 (2014)

Cheol Hyoun Ahn, Myung Gu Yun, Sang Yeol Lee, Hyung Koun Cho, “Enhancement of Electrical Stability in Oxide Thin-Film Transistors Using Multilayer Channels Grown by Atomic Layer Deposition”, IEEE TRANSACTIONS ON ELECTRON DEVICES, Vol. 61, Pages 73-78, 1 January 2014

Jun Young Choi, Sang Sig Kim., Sang Yeol Lee, “Investigation on the Temperature Dependence of the Performance of Solution Processed Si–Zn–Sn Oxide Thin Film Transistor”, Journal of Nanoscience and Nanotechnology, Vol. 13, No. 10, Pages 7089-7091(3) October 2013

Cheol Hyoun Ahn, Karuppanan Senthil, Sang Yeol Lee, Hyung Koun Cho, “Artificial semiconductor/insulator superlattice channel structure for high-performance oxide thin-film transistors”, Scientific Reports, Scientific Reports 3, Article number: 2737, DOI: 10.1038/srep02737 (page 6), 24 September 2013

Cheol Hyoun Ahn, Sang Yeol Lee, Hyung Koun Cho, “Influence of growth temperature on the electrical and structural characteristics of conductive Al-doped ZnO thin films grown by atomic layer deposition”, Thin Solid Films, Vol. 545, Pages 106-110, 31 October 2013

Jun Young Choi, Sang Sig Kim., Sang Yeol Lee, “Variation of Subthreshold Swing of Solution-Processed Zr-Si-In-Zn-O Thin Film Transistor at Low Annealing Temperature”, Electronic Materials Letters, Vol. 9, No. 4, pp. 489-491, 10 July 2013

Eugene Chong, Iljoon Kang, Chul Hong Park, Sang Yeol Lee, “First-principle study of amorphous SiZnSnO thin-film transistor with excellent stability”, Thin Solid Films, Volume 534, Pages 609-613, 1 May 2013

Teresa Oh and Sang Yeol Lee, “Chemical Shift and Surface Characteristics of Al-Doped ZnO Thin Film on SiOC Dielectrics”, Journal of Nanoscience and Nanotechnology,  Vol. 13, Number 10, pp. 7202-7204(3), October 2013 ,

Do Hyung Kim, Sang Yeol Lee, “Variation of optical and electrical properties of amorphous In-Ga-Zn-O/Ag/amorphous In-Ga-Zn-O depending on Ag thickness” Thin Solid Films, Elsevier, Volume 536, 1 June 2013, Pages 327–329

Keun Heo, ByoungHak Hong, Eunhong Lee, Sang Yeol Lee, Sangsig Kim, Sungwoo Hwang, “Quantitative Extraction of Temperature-dependent Barrier Height and Channel Resistance of SIZO/OMO and a-SIZO/IZO Thin Film Transistors”, IEEE Electron Device Letters, VOL. 34, NO. 2, 247-249p, FEBRUARY 2013

Do Hyung Kim, Hyun Kwang Jung, Woochul Yang, Dae Hwan Kim, Sang Yeol Lee, “Investigation on mechanism for instability under drain current stress in amorphous Si-In-Zn-O thin-film transistors”, Thin Solid Films, Vol. 527, Pages 314–317, 1 January 2013

Pulak Chandra Debnath and Sang Yeol Lee, “Full swing logic inverter with amorphous SiInZnO and GaInZnO thin film transistors”, Applied physics letters, Volume 101, No. 09, 2103-2106, 27 Agust 2012

Kyoungwon Kim, Deuk-Hee Lee, Sang Yeol Lee, Gun-Eik Jang and Jin-Sang Kim, “Effect of Ag/Al co-doping method on optically p-type ZnO nanowires synthesized by hot-walled pulsed laser deposition”, Nanoscale Research Letter, Volume 7, issue 1, 273-279(7 page), 30 May 2012.

Deuk-Hee Lee, Kyoungwon Kim, Yoon Soo Chun, Sangsig Kim, Sang Yeol Lee, “Substitution mechanism of Ga for Zn site depending on deposition temperature for transparent conducting oxides” , Current Applied Physics, Volume 12, Issue 6, Pages 1586–1590, November 2012,

Il Joon Kang, C.H. Park, Eugene Chong, Sang Yeol Lee, “Role of Si as carrier suppressor in amorphous Zn-Sn-O”, Current Applied Physics, Volume 12, Supplement 4, Pages S12–S16, 20 December 2012

Kyoungwon Kim, Dong-Yun Lee, Dong-Hoon Park, Sangsig Kim, and Sang Yeol Lee, “Synthesis and Structural-Optical Properties of Ga-Doped ZnO Nanowires by Hot-Walled Pulsed Laser Deposition Method”, Journal of Nanoscience and Nanotechnology, Volume 12, Number 5, pp. 4173-4176(4) , May 2012

Kyoungwon Kim, Deuk-Hee Lee, Dawoon Jeong, Pulak Chandra Debnath, Dong-Yun Lee, Sangsig Kim, and Sang Yeol Lee “Sensitivity-tuned CO gas sensors with tailored Ga-doping in ZnO nanowires” J. Nanosci. Nanotechnol. Volume 12, Number 5, pp. 4211-4214(4) , May 2012

Kyoungwon Kim, Dong-Hoon Park, Pulak Chandra Debnath, Dong-Yun Lee, Sangsig Kim, Gun-eik Jang, and Sang Yeol Lee, “Characterizations of Ga-doped ZnO Nanowires Depending on growth temperature and target-substrate distance in Hot-Walled Pulsed Laser Deposition”, J. Nanosci. Nanotechnol.  Volume 12 , Number 4, pp. 3559-3562(4 page) , April 2012

Jun Young Choi, Sang Sig Kim, and Sang Yeol Lee, “Effect of hafnium addition on Zn-Sn-O thin film transistors fabricated by solution process”, Applied Physics Letters, Volume 100, Issue 2, 2109-2112(4 page), 11 Jan. 2012.

Eugene Chong and Sang yeol Lee, “Influence of a highly doped buried layer for HfInZnO thin film transistors”, Semiconductor Science and Technology, IOP science, Vol.27, No 1, 2001-2004(5 page), 11 January 2012.

Jun Young Choi, SangSig Kim, Sang Yeol Lee, “Threshold voltage shift by controlling Ga in solution processed Si–In–Zn–O thin film transistors”, Thin Solid Films, Volume 520, Issue 10, Pages 3774–3777, 1 March 2012

Eugene Chong, Ki-Ho Park, Eun Ah Cho, Jun Young Choi, Bosul Kim, Dong-Youn You, Gun-Eik Jang, Sang Yeol Lee, “Correlation between the stability and trap parameters of amorphous oxide thin film transistors”, Microelectronic Engineering, Volume 91, Pages 50–53, March 2012

Sang Yeol Lee, Do Hyung Kim, Bosul Kim, Hyun Kwang Jung and Dae Hwan Kim, “Comparative analysis of temperature thermally induced instability between Si-In-Zn-O and Ga-In-Zn-O thin film transistors”, Thin Solid Films, Volume 520, Issue 10, Pages 3796–3799, 1 March 2012

Dong Youn Yoo, Eugene Chong, Do Hyung Kim, Byeong-Kwon Ju, and Sang Yeol Lee “Effect of magnesium oxide passivation on the performance of amorphous indium-gallium-zinc-oxide thin film transistors” Thin Solid Films, Vol. 520, Issue. 10, 3783–3786, 1 March 2012

Kyoungwon Kim, Pulak Chandra Debnath, Deuk-Hee Lee, Sangsig Kim and Sang Yeol Lee, “Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires”, Nanoscale Research Letters, Volume 6, No. 552, page 1-8, 10 October 2011

Do Hyung Kim, Dong Youn Yoo, Hyun Kwang Jung, Dae Hwan Kim, and Sang Yeol Lee “Origin of instability by positive bias stress in amorphous Si-In-Zn-O thin film transistor”, Appl. Phys. Lett, Volume 99,  issue 17,  page 2106-2108(3 page), 26 Octorber 2011

Do Hyung Kim, Hyun Kwang Jung, Dae Hwan Kim, and Sang Yeol Lee “Effect of interface states on the instability under temperature stress in amorphous SiInZnO thin film transistor”, Appl. Phys. Lett, Volume 99, issue 16, page 2101 – 2103(3 page), 17 Octorber 2011

Ki-Ho Park, Eugene Chong, Byeong-Kwon Ju, and Sang Yeol Lee, “Effect of Indium Contents on the Solution –Processed SiInZnO Thin Film Transistors Annealed at Low Temperature”, Electrochemical and Solid-State Letters, Vol. 14, No. 12, H491-H493, 31 Oct 2011

Bosul Kim, Eugene Chong, Do Hyung Kim, Yong Woo Jeon and Dae Hwan Kim, and Sang Yeol Lee, “Origin of threshold voltage shift by interfacial trap density in amorphous InGaZnO thin film transistor under temperature induced stress”, Appl. Phys. Lett, Volume 99, issue 6, 062108, 9 August 2011

Deuk-Hee Lee, Ki-Ho Park, Sangsig Kim, Sang Yeol Lee “Effect of Ag doping on the performance of ZnO thin film transistor” Thin Solid Films, Vol. 520, Issue. 3, 1160–1164, 30 November 2011

Eugene Chong, Yoon Soo Chun, Seung Han Kim, and Sang Yeol Lee, “Improvement of bias stability of indium zinc oxide thin film transistors by the incorporation of hafnium fabricated by radio-frequency magnetron sputtering” Thin Solid Films, Vol. 519, Issue. 20, 6881–6883, 1 August 2011

Deuk-Hee Lee, Dong-Hoon Park, Sangsig Kim, and Sang Yeol Lee, “Half wave rectification of inorganic/organic heterojunction diode at the frequency of 1 kHz” Thin Solid Films, Volume 519, Issue 16 ,5658–5661, 1 June 2011

Sang Yeol Lee, Do Hyung Kim, Eugene Chong, Yong Woo Jeon and Dae Hwan Kim, “Effect of channel thickness on density of states in amorphous InGaZnO thin film transistor”, Appl. Phys. Lett, Volume 98, issue 12, 122105, 22 March 2011

Kyoungwon Kim, Pulak Chandra Debnath, Sangsig Kim, and Sang Yeol Lee1, “Temperature stress on pristine ZnO nanowire field effect transistor”, Appl. Phys. Lett, Volume 98, issue 11, 113109, 15 March. 2011

Eugene Chong, Seung Han Kim, Eun Ah Cho, Gun-Eik Jang, and Sang Yeol Lee, “The relation between processing parameters and the performance of novel amorphous silicon-indium-zinc oxide thin film transistors”, Current Applied Physics. Volume 11, Issue 4, S132–S134, July 2011

Deuk-Hee Lee, Sangsig Kim, and Sang Yeol Lee, “Zinc cadmium oxide thin film transistors fabricated at room temperature”, Thin Solid Films, Volume 519, Issue 13, 4361–4365, 29 April 2011

Yoon Soo Chun, Seongpil Chang, and Sang Yeol Lee, “Effects of Gate Insulators on the Performance of a-IGZO TFT Fabricated at Room-Temperature”, Microelectronic Engineering, Volume 88, Issue 7, 1590–1593, July 2011

Eugene Chong, Yong Woo Jeon, Yoon Soo Chun, Dae Hwan Kim, and Sang Yeol Lee, “Localization effect of a current-path in amorphous In-Ga-Zn-O thin film transistors with a highly doped buried-layer”, Thin Solid Films, Volume 519, issue 13, 4347-4350, 29 April 2011

Eugene Chong, Yoon Soo Chun, and Sang Yeol Lee, “Effect of trap density on the stability of SiInZnO thin-film transistor under temperature and bias-induced stress” Electrochem. Solid-State Lett., Vol.14, No.2, H96, 6 Dec 2010

Eugene Chong, Yong Woo Jeon, Yoon Soo Chun, Dae Hwan Kim, and Sang Yeol Lee, “Design of Noncoplanar Diagonal Electrode Structure for Oxide Thin-Film Transistor”, IEEE Electron Device Lett., VOL., 32. NO. 1, 39, (2011), 29. Nov. 2010.

Eugene Chong, Seoung-Han Kim, and Sang Yeol Lee “Role of silicon in silicon-indium-zinc-oxide thin film transistor”, Appl. Phys. Lett, 97, 252112 (2010), 23 December 2010.

Young-Su Park, Sang Yeol Lee, and Jang-Sik Lee, “Nanofloating Gate Memory Devices Based on Controlled Metallic Nanoparticle-Embedded InGaZnO TFTs”, IEEE ELECTRON DEVICE LETTERS VOL. 31, NO. 10, 1134-1136 (2010), 24. Sep. 2010.

Eugene Chong, Yoon Soo Chun, and Sang Yeol Lee, “Amorphous silicon-indium-zinc oxide semiconductor thin film transistors processed below 150oC”, Appl. Phys. Lett, 97, 102102. 7 September. (2010), 7. September. 2010.

Ahmi Choi, Kyoungwon Kim, Hyo-Il Jung, Sang Yeol Lee, “ZnO nanowire biosensors for detection of biomolecular interactions in enhancement mode”, Sensor and Actuator B, 148 577–582. 7. May (2010)

 Jae-Sang Lee, Seongpil Chang, Houcine Bouzid, Sang-Mo Koo, and Sang Yeol Lee, “Systematic investigation on the effect of contact resistance on the performance of a-IGZO thin-film transistors with various geometries of electrodes”, Phys. Status Solidi A, 207, No. 7, 8. July(2010)

Seongpil Chang, Ki-Young Dong, Jung-Ho Park, Tae-Yeon Oh, Jong-Woo Kim, Sang Yeol Lee, and Byeong-Kwon Ju, “Scaling down of amorphous indium gallium zinc oxide thin film transistors on the polyethersulfone substrate employing the protection layer of parylene-C for the large-scale integration”, Appl. Phys. Lett, 96, 243504, 16. June (2010)

Eugene Chong, Kyoung Chul Jo and Sang Yeol Lee “High stability of amorphous hafnium-indium-zinc-oxide thin film transistor” Appl. Phys. Lett, 96, 152102, 12 April (2010).

Hyeon-seok Bae, Jae-Hong Kwon, Seongpil Chang, Myung-Ho Chung, Tae-Yeon Oh, Jung-Ho Park, Sang-Yeol Lee, Byeong-Kwon Ju, “The effect of annealing on amorphous indium gallium zinc oxide thin film transistors”, Thin Solid Film 518 6325–6329, 25. March (2010)

Sang Yeol Lee, Seongpil Chang, Jae-Sang Lee “Role of high-k gate insulators for oxide thin film transistors”, Thin Solid Film, 518, 3030, 13. Octorber (2010)

Kyoungwon Kim, Pulak Debnath, Dong-Hoon Park, Sangsig Kim, Sang Yeol Lee “Controllability of Threshold Voltage in Ag-doped ZnO Nanowire Field Effect Transistors by Adjusting the Diameter of Active Channel Nanowire” , Appl. Phys. Lett., 96. 083103 (2010)

Jae-Sang Lee, Seongpil Chang, Sang-Mo Koo, and Sang Yeol Lee, “High performance a-IGZO TFT with ZrO2 gate dielectric fabricated at room-temperature”, IEEE ELECTRON DEVICE LETTERS, VOL. 31, NO. 3, (2010)

Jae-Hyeon Leem, Deuk-Hee Lee, Sang Yeol Lee, “Properties of N-doped ZnO grown by DBD-PLD”, Thin Solid Film. Vol. 518, pp 1238 (2009)

Yong-Won Song, Kyoungwon Kim, and Sang Yeol Lee “Morphology Transition of Ag-Doped ZnO Nanostructures in Hot-Walled Pulsed Laser Deposition”, Thin Solid Film. Vol. 518. pp. 1218 (2009)

Yong-Won Song, Sang Yeol Lee, “Morphology-controlled one-dimentional ZnO nanostructures with customized Ga-doping”, Thin Solid Films. Vol. 518. pp. 1323 (2009).

Kyoungwon Kim, Yong –won Song, Seongpil Chang, In-ho Kim, Sangsic Kim, and Sang Yeol Lee, “Fabrication and Characterization of Ga-Doped ZnO Nanowire Gas Sensor for the Detection of CO Reference”, Thin Solid Films. Vol. 518. pp. 1190 (2009). (accepted)

“Physical Verification of Process Optimization for the Transparent Conducting Oxide Application of Ga-doped ZnO”, Transactions on Industrial Electronics. (2009) (accepted)

Kyoungwon Kim, Yong-won Song, Jaehyeon Leem, Sang Yeol Lee, and Sangsig Kim, “Preparation and analysis of schottky diode with Au and sol-gel processed ZnO thin films” J. Korean phys Soc. Vol. 55, pp 140 (2009).

 Yong-Won Song, Kyoungwon Kim, Jae Pyoung Ahn, Gun-Eik Jang and Sang Yeol Lee, “Physically processed Ag-doped ZnO nanowires for all-ZnO p–n diodes”, Nanotechnology, 20, 275606 (2009).

Gun Hee Kim, Dong Lim Kim, Byung Du Ahn, Sang Yeol Lee and Hyun Jae Kim, “Investigation on doping behavior of copper in ZnO thin film” Microelectronics Journal, 40, 272-275 (2009).  

Yong-Won Song, Sanggyu Lee and Sang Yeol Lee, “Controlled Synthesis of Zigzagged and Straight Ga-doped ZnO Nanowires in Hot-walled Pulse Laser Deposition” Journal of Crystal Growth, 310, 4612-4615 (2008).

Sang Yeol Lee, Yong-Won Song, Kyung Ah Jeon, “Synthesis and analysis of resistance-controlled Ga-doped ZnO nanowires” Journal of Crystal Growth 310, 4477-4480 (2008).

Seongpil Chang, Yong-Won Song, Sanggyu Lee, Sang Yeol Lee and Byeong-Kwon Ju, “Efficient suppression of charge trapping in ZnO-based transparent thin film transistors with novel Al2O3 /HfO2/Al2O3 structure” APL 92, 192104 (2008).

B. D. Ahn, J. H. Kim, H. S. Kang, C. H. Lee, S. H. Oh, K. W. Kim, G. E. Jang, and S. Y. Lee, “Thermally stable, highly conductive, and transparent Ga-doped ZnO thin films” Thin Solid Films 516, 1382-1385 (2008).

Jong Hoon Kim, Byung Du Ahn, Choong Hee Lee, Kyung Ah Jeon, Hong Seong Kang, Sang Yeol Lee, “Characteristics of transparent ZnO based thin film transistors with amorphous HfO2 gate insulators and Ga doped ZnO electrodes” Thin Solid Films 516,1529–1532 (2008).

Jong Hoon Kim, Byung Du Ahn, Choong Hee Kim, Kyung Ah Jeon, Hong Seong Kang, Sang Yeol Lee, “Heat generation properties of Ga doped ZnO thin films prepared by rf-magnetron sputtering for transparent heaters” Thin Solid Films 516, 1330–1333 (2008).

Chang-Seong Jeon, Joon-Shik Park, Sang-Yeol Lee and Chan-Woo Moon,” Fabrication and characteristics of out-of-plane piezoelectric micro grippers using MEMS processes Thin Solid Films” Thin Solid Films 515, 4901 (2007).

Kyung Ah Jeon, Hyo Jeong Son, Chang Eun Kim, Jong Hoon Kim and Sang Yeol Lee, “Photoluminescence of ZnO nanowires grown on sapphire  (1 1 2 0) substrates” Physica E. 37, 222 (2007).

Jong Hoon Kim, Byung Du Ahn, Choong Hee Lee, Kyung Ah Jeon, Hong Seong Kang, Gun Hee Kim and Sang Yeol Lee, “Enhancement in electrical and optical properties of indium tin oxide thin films grown using a pulsed laser deposition at room temperature by two-step” Thin Solid Films 515, 3580 (2007).

Hyo Jeong Son, Kyung Ah Jeon, Chang Eun Kim, Jong Hoon Kim, Kyung Hwa Yoo and Sang Yeol Lee, “Synthesis of ZnO nanowires by pulsed laser deposition in furnace” Applied Surface Science 253, 7848-7850 (2007).

J. Owen, M.S. Son, K.-H. Yoo, B. D. Ahn, S. Y. Lee, “Organic photovoltaic devices with Ga-doped ZnO electrode”  published online 19 January 2007 , Appl. Phys. Lett. 90, 033512 (2007).

Hong Seong Kang, Seong Sik Pang, Jae Won Kim, Gun Hee Kima, Jong Hoon Kim, Sang Yeol Lee,, Y. Li, H. Wang, Q.X. Ji, “ The role of a ZnO buffer layer in the growth of ZnO thin film on Al2O3 substrate” Superlattices and Microstructures 40 501–506 (2006).

Byung Du Ahn, Jong Hoon Kim, Hong Seong Kang, Choong Hee Lee, Sang Hoon Oh, Gun Hee Kim, Dong Hua Li, Sang Yeol Lee, “Structural, electrical and optical properties of GZO/HfO2/GZO transparent MIM capacitors” Materials Science in Semiconductor Processing  9, 1119–1124 (2006).

D.W. Hamby, D.A. Lucca , J.-K. Lee , M. Nastasi , H.S. Kang , S.Y. Lee, “Effects of hydrogen implantation on the photoluminescence and carrier mobility of ZnO films” NIM B 249 196–199 (2006).

Eun Sun Lee, Dong Hua Li, Hyun Woo, Chung, and Sang Yeol Leea, “Hydrogen resistive double-side (Pb0.72La0.28)Ti0.93O3 buffered Pb(Zr0.52Ti0.48)O3 thin films” Journal of Applied Physics 100, 024107 (2006).

Jong Hoon Kim, Byung Du Ahn, Choong Hee Lee, Kyung Ah Jeon, Hong Seong Kang, and Sang Yeol Leea , “Effect of  rapid thermal annealing on electrical and optical properties of Ga doped ZnO thin films prepared at room temperature” “Journal of Applied Physics 100, 113515 (2006).

Jae Won Kim, Hong Seong Kang, Jong Hoon Kim, and Sang Yeol Lee, Jung-Kun Lee and Michael Nastasi, “Variation of structural, electrical, and optical properties of Zn1−xMgxO thin films” Journal of Applied Physics 100, 033701 (2006).

Jae-Won Kim, Hong-Seong Kang and Sang-Yeol Lee, “Effect of Deposition Rate on the Property of ZnO Thin Films Deposited by Pulsed Laser Deposition” Journal of Electrical Engineering & Technology 1, 98~100 (2006).

Kyung Ah Jeon, Jong Hoon Kim and Sang Yeol Lee, “Simple method for synthesis of silicon nanowire : pulsed laser deposition in furnace from p-Si wafer target” Progress in Solid State Chemistry 33, 107-112 (2006).

Jong Hoon Kim, Kyung Ah Jeon, Gun Hee Kim, and Sang Yeol Lee, “Electrical, structural, and optical properties of ITO thin films prepared at room temperature by pulsed laser deposition” Applied Surface Science 252, 4637-4641 (2006).

Hong Seong Kang, Byung Du Ahn, Jong Hoon Kim, Gun Hee Kim, Sung Hoon Lim, Hyun Woo Chang, and Sang Yeol Lee, “Structural, electrical, and optical properties of p-type ZnO thin films with Ag dopant” Applied Physics Letters, 88, 202108 (2006).

Hong Seong Kang, Jae Won Kim, Jong Hoon Kim, and Sang Yeol Lee, “Optical property and Stokes' shift Zn1-xCdxO thin film depending on Cd content” Journal of Applied Physics 99, 066113 (2006).

Hyun Woo Chung, Eun Sun Lee, Sung Hoon Lim, Cheol Su Kim, and Sang Yeol Lee, “Effect of buffer layers on the property of Pb(Zr,Ti)O3-Pb(Mn,W,Sb,Nb)O3 thin films grown by pulsed laser deposition” Applied Surface Science 252, 4545-4548 (2006).

Dong Hua Li, Eun Sun Lee, Hyun Woo Chung, and Sang Yeol Lee, “Comparison of the effect of PLT and PZT buffer layers on PZT thin films for ferroelectric materials applications” Applied Surface Science 252, 4541-4544 (2006).

Gun Hee Kim, Byung Du Ahn, Hong Seong Kang, Sung Hoon Lim and Sang Yeol Lee, “Deposition of ZnO films grown by pulsed laser deposition for film bulk acoustic resonators” Superlattices & Microstructures 39, 50-59 (2006).

Eun Sun Lee, Dong Hua Li, Hyun Woo Chung, and Sang Yeol Lee, “Fabrication of the hydrogen resistive ferroelectric film of the PLT/PZT/PLT heterostructure by pulsed laser deposition method” Applied Surface Science 252, 4536-4540 (2006).

Hong Seong Kang, Sung Hoon Lim, Hyun Woo Chang, Gun Hee Kim, Jong-Hoon Kim and Sang Yeol Lee, Y. Li, Jang-Sik Lee, J. K. Lee, M. A. Nastasi, S. A. Crooker, and Q. X. Jia, “Exciton localization and Stokes’ shift in Zn1-xCdxO thin films depending on chemical composition” J. Cryst. Growth 287, 70-73 (2006).

Hong Seong Kang, Jae Won Kim, Sung Hoon Lim, Hyun Woo Chang, Gun Hee Kim and Sang Yeol Lee, “Investigation on the variation of green, yellow, and orange emission properties of ZnO thin film” Super lattices and microstructures 39, 193-201 (2006).

Hyun Woo Chung, Sun Hoon Lim, Gun Hee Kim, Dong Hua Li, Eun Sun Lee, Byung Du Ahn, Sang Yeol Lee, “Fabrication and characterization of piezoelectric Pb(Zr,Ti)O3-Pb(Mn,W,Sb,Nb)O3 step-down piezoelectric transformer” Sensors and Actuators A 128, 350-354 (2006).

Kyung Ah Jeon, Jong Hoon Kim, W.Y. Shim, W.Y. Lee, M. H. Jung, and Sang Yeol Lee, “Magnetic and optical properties of Zn1xMnxO thin films prepared by pulsed laser deposition” J. Cryst. Growth 287, 66-69 (2006).

Jong Hoon Kim, Kyung Ah Jeon, Hong Seong Kang, and Sang Yeol Lee, “ZnO Nanostructures Formed by Off-axis Pulsed Laser Deposition” Superlattices & Microstructures 39, 60-66 (2006).

Sung Hoon Lim, Jae Won Kim, Hong Seong Kang, Gun Hee Kim, Hyun Woo Chang and Sang Yeol Lee, “Characterizations of Phosphorus Doped ZnO Multilayer Thin Films to Control Carrier Concentration” Superlattices &Microstructures 38, 377-384 (2005).

Hyun Woo Chung, Sung Hun Lim, Eun Sun Lee, Gun Hee Kim, and Sang Yeol Lee, “Piezoelectric and dielectric properties of Pb(Zr,Ti)O3-Pb(Mn,Wn, Sb,Nb)O3 with Ag2O addition” J. Vac. Sci Technol. A 23(4) , 820 (2005).

Eun Sun Lee, Hyun Woo Chung, Sung Hoon Lim, and Sang Yeol Lee, “Forming gas annealing effects on the ferroelectric properties of more-oriented and less-oriented Pb(Zr0.53Ti0.47)O3 thin films” J. Vac. Sci Technol. A  23(4), 773-776 (2005).

Gun Hee Kim, Jong Hoon Jim, Kyung Ah Jeon, and Sang Yeol Lee, “Blue photoluminescence of Si nanocrystallites embedded in silicon oxide” J. Vac. Sci Technol. 23(4) , 978 (2005).

Jong Hoon Jim, Kyung Ah Jeon, and Sang Yeol Lee, “Formation mechanism and optical properties of nanocrystalline silicon in silicon oxide” Journal of Applied Physics 98, 014303 (2006).

Jae Won Kim, Sang Yeol Lee, “Microwave property of YBCO film grown with two-step process” Physica C, 421, 10-14 (2005).

Jong Hoon Kim, Kyung Ah Jeon, Gun Hee Kim, Sang Yeol Lee, “Optical properties of silicon nanocrystalline thin films grown by pulsed laser deposition” Optical Materials, 27, 991-994 (2005).

Eun Sun Lee, Hyun Woo Chung, Sung Hoon Lim, and Sang Yeol Leea, “Comparison of forming gas effects on the ferroelectric properties between more-oriented and less-oriented Pb(Zr0.52Ti0.48)O3 thin films” J. Vac. Sci. Technol. A 23, 773-776, (2005).

Kyung Ah Jeon, Jong Hoon Kim, Gun Hee Kim, Sang Yeol Lee, “Oxidation effects on the photoluminescent properties of Si nanocrystalline thin films” Optical Materials 27, 988-990 (2005).

Young-Don Ko, Hong Seong Kang, Min-Chang Jeong, Sang Yeol Lee, Jae-Min Myoung, Ilgu Yun, ” Neural network based modeling of PL intensity in PLD-grown ZnO thin films” Journal of Materials Processing Technology 159, 159-163 (2005).

Sang Yeol Lee, Eun Sub Shim, Hong Seong Kang, Seong Sik Pang, Jeong Seok Kang, “Fabrication of ZnO thin film diode using laser annealing” Thin Solid Films 473, 31-34 (2005).

Eun Sun Lee, Hyun Woo Chung, Sung Hoon Lim, Sang Yeol Lee, “Effect of double-sided (Pb0.72La0.28)Ti0.93O3 buffer layers of the ferroelectric properties of Pb(Zr0.52Ti0.48)O3 thin films” Applied Physics Letters 86, 032903 (2005).

Sang Yeol Lee, Y. Li, Jang-Sik Lee, J. K. Lee, M. Nastasi, S. A. Crooker, and Q. X. Jia, “Effects of chemical composition on the optical properties on Zn1-xCdxO thin films” Appl. Phys. Lett. 85, 218-220 (2004).

Young-Don Ko, Hong Seong Kang, Min-Chang Jeong, Sang Yeol Lee, Jae-Min Myoung, Ilgu Yun, “Neural network based modeling of PL intensity in PLD-grown ZnO thin films” Journal of Materials Processing Technology 159, 159-163 (2004).

Chang Hoon Jeon, Cheol Su Kim, Kyoung Bo Han, Hee Sauk Jhon, Sang Yeol Lee, “Enhancement of the ferroelectric properties of Pb(Zr0.53Ti0.47)O3 thin films fabricated by laser ablation” Materials science & engineering B 109, 141-145 (2004).

Kyoung Bo Han, Cheol Su Kim, Chang Hoon Jeon, Hee Sauk Jhon, Sang Yeol Lee, “Hydrogen post-annealing effect of the ferroelectric properties of (Pb0.72La0.28)TiSO3 films fabricated by pulsed laser deposition” Materials science & engineering B 109, 170-173 (2004).

Jong Hoon Kim, Kyung Ah Jeon, Sang Yeol Lee, “Temperature effects on the formation of Si nanoclusters” Applied surface science 226 , 68-71 (2004).

Jand-Sik Lee, Y.Li, Y.Lin, Sang Yeol Lee, and Q.X.Jia, “Hydrogen-induced degradation in epitaxial and polycrystalline (Ba,Sr)TiO3 thin films” Appl. Phys. Lett. 84, 3825-3827 (2004).

Hong Seong Kang, Jeong Seok Kang, Jae Won Kim, and Sang Yeol Lee,” Annealing effect on the property of ultraviolet and green emissions of ZnO thin films” J. Appl. Phys. 95, 1246-1250 (2004).

Kyung Ah Jeon, Jong Hoon Kim, Jin Baek Choi, Kyoung Bo Han, Sang Yeol Lee, “Annealing effect on the photoluminescence of Si nanocrystallites thin films” Materials science & engineering C 23, 1017-1019 (2003).

Jang-Sik Lee, H.Wang, Sang Yeol Lee, S.R.Foltyn, and Q.X.Jia, “Lateral epitaxial growth of (ba,Sr) TiO3 thin films” Applied Physics Letters, 83, 5494-5496 (2003).

Cheol-Su Kim, Seong-Kon Kim, Sang Yeol Lee, “Piezoelectric properties of new PZT-PMWSN ceramic” Materials Letters .57, 2233-2237 (2003).

Hee-Sauk Jhon, Chang Hoon Jeon, Kyoung Bo Han, Seong Sik Myoung, Jong Gwan Yook, Q. X. Jia, and Sang Yeol Lee, “Realization of HTS Trisection Band Pass Filter” IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 13, 294-296 (2003).

Jeong Seok Kang, Hong Seong Kang, Seong Sik Pang, Eun Sub Shim, Sang Yeol Lee, “Investigation on the origin of green luminescence from laser-ablated ZnO thin film” Thin Solid Films 443, 5-8 (2003).

Jong Hoon Kim, Kyung Ah Jeon, Jin Baek Choi, Sang Yeol Lee, “Laser wavelength and partial pressure effects on the formation of nanocrystalline Si” Materials Science and Engineering B 101, 146-149 (2003).

Kyoung Bo Han, Chang Hoon Jeon, Hee Sauk Jhon, Sang Yeol Lee, “Effect of laser fluence on the ferroelectric properties of pulsed laser deposited (Pb1-xLax)Ti1-x/4)3 thin films” Thin Soild Films 437, 285-289 (2003).

Cheol-Su Kim, Seong Kon Kim and Sang Yeol Lee, “Fabrication and characterization of PZT-PMWSN thin film using by pulsed laser deposition” Materials Science In Semiconductor Processing 5, 93-96 (2003).

Seong Kon Kim, Cheol-Su Kim, Kyung Wha Lee, Sang Yeol Lee, “Piezoelectric and electric properties of PZT-PSN thin film ceramics for MEMS applications” Materials Science in Semiconductor Processing 5, 115-121 (2003).

Kyoung Bo Han, Chang Hoon Jeon, Hee Sauk Jhon and Sang Yeol Lee, “EFFECT OF GRAIN SIZE ON THE ELECTRICAL  PROPERTIES OF (Pb0.72,La0.28)Ti0.93O3 THIN FILMS GROWN BY PULSED LASER DEPOSITON” Materials Science in Semiconductor Processing 5, 249-252 (2003).

Hong Seong Kang, Jeong Seok Kang, Seong Sik Pang, Eun Sub Shim, Sang Yeol Lee, “Variation of light emitting properties of ZnO thin films depending on post-annealing temperature” Materials Science & Engineering B 102, 313-316 (2003).

Jin Baek Choi, Jong Hoon Kim, Kyung Ah Jeon, Sang Yeol Lee, “Properties of ITO films on glass fabricated by pulsed laser deposition” Materials Science & Engineering B 102, 376-379 (2003).

Kyoung Bo Han, Chang Hoon Jeon, Hee Sauk Jhon and Sang Yeol Lee, “Effect of Grain Size on the Electrical Properties of (Pb,La)TiO3Thin Films Grown by Pulsed Laser Deposition for Memory Device” The Korean Institute of Electrical Engineers, 12C, 170-174 (2002).

Cheol Su Kim , Seong Kon Kim, and Sang Yeol Lee, “Fabrication and characterization of PZT-PMWSN thin film using pulsed laser deposition” Materials Science in Semiconductor  processing 5, 93-96 (2002).

Jong Hoon Kim, Kyung Ah Jeon, Jin Back Choi and Sang Yeol Lee, “Optical Properties of Silicon Thin Films Prepared by Pulsed Laser Deposition” Journal of the Korean Physics Society 4, 1-5 (2002).

Cheol-Su Kim, Seong Kon Kim,  Sang Yeol Lee, “Piezoelectric properties of new PZT-PMWSN ceramic”, Materials Science in Semiconductor Processing(In Press) (2002).

Cheol-Su Kim, Seong Kon Kim,  Sang Yeol Lee, “Variation of piezoelectric properties of PZT-PMWSN ceramics depending on the compositions Zr/Ti ratio and the processing temperatures”, Materials B, (In Press) (2002).

Seong Kon Kim, Cheol-Su Kim, Kyung Wha Lee, Sang Yeol Lee, “Piezoelectric and dielectric properties of PZT-PSN thin film ceramics for MEMS applications.”, Materials Science in Semiconductor Processing(In Press) (2002)

Jae-Min MYOUNG, Wook-Hi YOON, Dong-Hi Lee, Ilgu YUN, Sang-Hyuck BAE and Sang-Yeol LEE, “Effects of Thickness Variation on Properties of ZnO Thin Films Grown by Pulsed Laser Deposition” Jpn. J. Appl. Phs. 41, 28-31 (2002).

Eun Sub Shim, Hong Seong Kang, Jeong Seok Kang, Seong Sik Pang, and Sang Yeol Lee, “p-n Heterojunction Composed of n-ZnO/p-Zn-doped InP” Transactions on Electrical and Electronic Materials 3, 1-3 (2002).

Eun Sub Shim, Hong Seong Kang, Jeong Seok Kang, Jong Hoon Kim and Sang Yeol Lee, “Effect of the variation of film thickness on the structutal and optical properties of ZnO thin films deposited on sapphire substrate using PLD” Applied Surface Science 186, 474-476 (2002).

Jong Hoon Kim, Kyung Ah Jeon, Eun Sub Shim, Sang Yeol Lee, “Laser wavelength effect on the light emission properties of nanocrystalline Si on Si substrate fabricated by pulsed laser deposition” Materials Science Engineering B 89, 70-72 (2002).

Chang Hoi Hur, Sang Yeol Lee, “Fabrication of YBa2Cu3O7-x Superconducting Film With CeO2/BaTiO double Buffer Layer”, Thin Solid Films, vol.398-399 (2002), pp.444-447 (2001).

Chang Hoi Hur, Kyoung Bo Han, Kyeong Ah Jeon Sang Yeol Lee, “Enhancement of the dielectric properties of Pb(La,Ti)O3 thin films fabricated by pulsed laser deposition”, Thin Solid Films 2001, vol.400(2001) pp.169-171 (2001).

B.J.Jin, H.S.Woo, S.Im S.H.Bae, S.Y.Lee, “Relationship between photoluminescence and electrical properties of ZnO thin films grown by pulsed laser deposition”, Applied Surface Science vol.169-170, pp.521-524 (2001).

Sung-Min Kim, Seok Cheon Song, Sang Yeol Lee, “Effect of CeO2, BaTiO3 and CeO2/BaTiO3 double buffer layers on the superconducting properties of Y1Ba2Cu3O7-x grown on metallic substrates by pulsed laser deposition”, Physica C Vol 351,(2001) pp.379-385 (2001).

Sang Hyuck Bae, Sang Yeol Lee, Beom Jun Jin, Seongil Im, “Growth and charcterization of ZnO thin films grown by pulsed laser deposition”, Applied Surface Science Vol.169-170, pp.525-528 (2001).

Sang Hyuck Bae, Sang Yeol Lee, Won Seok Lee Seongil Im, “Luminescence property of Si nanocrystallites on Si substrate fabricated by pulsed laser deposition”, Optical Materials, vol.17, pp.87-90 (2001).

Sung-Min Kim and Sang Yeol Lee, “Role of CeO2 and BaTiO3 buffer layers on the crystallization and the electrical property of Y1Ba2Cu3O7-δ thin film”, Physica C, vol 351, pp.42-44 (2001).

Sang Hyuck Bae, Sang Yeol Lee, Hyun Young Kim, Seongil Im, “Effect of post annealing on the light emission property of ZnO thin films on Si”, Optical Materials, vol.17, pp.327-330 (2001).

Sung-Min Kim and Sang Yeol Lee, “Characterizations of CeO2 and BaTiO3 double buffer layer for the growth of Y1Ba2Cu3O7-x superconducting thin film”, IEEE Transactions on applied superconductivity, vol.11, No.1. pp.2719-2722 (2001).

Cheol-Su Kim, Seok Cheon Song and Sang Yeol Lee, “Fabrication of HTS hairpin Type filter with the center frequency of 22GHz”, IEEE Transactions on applied superconductivity, vol.11, No.1. pp.407-409 (2001).

Seok Cheon Song, Cheol Su Kim, Sang Yeol Lee, Hyung Kuk Yoon and Young Joong Yoon, “Frequency responses of 14Ghz hairpin type superconducting bandpass filters”, Physica C, Vol 351, pp.17-20 (2001).

B.J.Jin, Seongil Im, S.Y.Lee, “Violet and UV luminescence emitted from ZnO thin films grown on saphhire by pulsed laser deposition”, Thin Solid Films, (2000).

Sang Hyuck Bae, Sang Yeol Lee, Hyun Young Kim, Seongil Im, “Comparison of the optical properties of ZnO thin films grown on various substrates by pulsed laser deposition”, Applied Surface Science (2000).

Cheol-Su Kim, Seok Cheon Song and Sang Yeol Lee, “Fabrication of novel 22 GHz hairpin type HTS microstrip filter using laser ablated thin films”, Applied Surface Science (2000).

Hae-Suk Jung, Hyung-Ho Par, Seong Sikc Pang, Sang Yeol Lee, “The structural an electron field emission characteristics of pulsed laser deposited diamond-like carbon films with thermal treatment”, Thin Solid Films, 355-356, pp. 151-156 (1999).

Sung-Min Kim and Sang Yeol Lee, “Characterization of YBCO Superconducting films Fabricated by Pulsed Laser Depostion”, Thin Solid Films/ 352 (1999), pp.1-4 (1999).

Dong Seog Eun and Sang Yeol Lee, “Laser fluence effect on the formation of dielectric Pb1-xLaxTi1-x/4O3 thin films”, Thin Solid Films Vol. 351 pp1-5 (1999).

Sang Yeol Lee, Joo Hyung Park, Dal Ahn, “Performance of Superconducting Dual mode Resonators with Different Input/Out put Feedline Angles”, IEEE transaction on Applied superconductivity, Vol. 9, No. pp. 2853-2856 (1999).

Hyung Kuk Yoon, Young Joong Yoon, Joo Hyung Park and Sang Yeol Lee, “Hairpin-line/Half-wave parallel-coupled-line narrowband bandpass filters using high temperature superconducting thin films”, IEEE transaction on Applied superconductivity, Vol. 9, No. 2, pp. 3901-3904 (1999).

Beom Jun Jin, and Seongil Im,Sang Hyuck Bae, Sang Yeol Lee, “Effects of native defects on optical and electrical properties of ZnO prepared by pulsed laser deposition”, Material Science and Engineering (accepted) (1999).

Sang Hyuck Bae, Sang Yeol Lee, Beom Jun Jin, and Seongil Im, “Pulsed laser deposition of ZnO thin films for the application of light emission”, Applied surface science (accepted) (1999).

Kyoung-Suk Shim, Sung-Min Kim, Sang Hyuck Bae and Sang Yeol Lee,Hae-suk Jung and Hyoung-ho Park, “Fabrication and characterization of diamond-like carbon thin films by pulsed laser deposition”, Applied surface science (accepted) (1999).

Sang Yeol Lee and Sung-Min Kim, “Superconducting bandpass filter using parallel mirostrip line with narrow bandwidth centered at 14 GHz.”, Applied surface science (accepted) (1999).

Cheol-Su Kim, Sung-Min Kim, Seok-Cheon Song, Sang Yeol Lee, Hyung Kuk Yoon and Yong Joong Yoon, “Fabrication and characterization of superconducting multiplexor using laser ablated YBCO thin film”, Applied surface science (accepted) (1999).

S.S. Pang, S.Y. Lee, H.S. Jung, H.H. Park, “Effect of laser parameters on the property of DLC films grown by pulsed laser deposition”, Surface & coating technology, 115, pp. 266-269 (1999).

Hae-Suk Jung, Hyung-Ho Park, Seong Sik Pang, Sang Yeol Lee, “The investigation of thermal effect on the properties of pulsed laser deposited diamond-like carbon films”, Thin Solid Films, 332, (1998) pp.103-108 (1999).

Y.S. Jeong, J.H. Park, D.S. Eun, S.Y. Lee, C.H. Kim, T.S. Hahn, J.Y. Kim, and I.S. Yang, “Film thickness effect on the properties of interconnection between YBCO and Si for superconductor and semiconductor integration”, Applied Superconductivity, vol. 5, No. 7-12, pp.353-356 (1998).

Joo Hyung Park, Sang Yeol Lee, “Orientation transition in a thick laser deposited YBCO film observed by glancing angle X-ray Diffraction”, Physica C 05223, Vol 3, pp112-116 (1998).

Joo Hyung Park, Sang Yeol Lee, “Fabrication and characterization of double-sided YBCO superconducting think films using laser ablation”, Surface and coatings technology vol. 113 issue 3 pp 274-277 (1998).

J.H. Park, Y.S. Jeong, and S.Y. Lee, “Investigation on the relation between the thickness and the orientation of epitaxially grown YBCO thin films by laser ablation”, Thin Solid Film, Vol. 318, pp. 243-246 (1998).

Y.S. Jeong, J.H. Park, and S.Y. Lee, “Epitaxial growth of YBCO on Hastelloy with YSZ buffer layer by laser ablation”, Thin Solid Film, Vol. 318, pp. 262-264 (1998).

Y.S. Jeong, S.Y. Lee, M.K.Choi, J.Y. Kim, B.-D. Chung, In-Sang Yang, B. Oh, S.-H.Moon, “Effect of laser beam profile on the ablated HTS target surface”, Physica C, 282-287, pp 663-664 (1997).

Sang Yeol Lee, “Laser processing of YBCO thin films on Sapphire for microwave applications”, IEEE transactions on applied superconductivity, vol.7 No.2, pp 1486-1489 (1997).

Sang Yeol Lee, “Characterization of the interface between laser ablated YBCO film and buffered sapphire substrate”, Journal of Alloys and Compounds, vol.205, pp 1-2 (1997).

Y.S. Jeong, S.Y. Lee, H.K. Jang, I.S. Yang, S.H. Moon, and B.D. Oh, “Surface modification of laser ablated YBCO target”, Applied Surface Science, vol.109, pp 424-427 (1997).

S.Y. Lee and H.H. Park, “Effect of PrBa2Cu3O7-x buffer layer thickness on the properties of YBa2Cu3O7-x thin films grown on sapphire by laser ablation”, Journal of Superconductivity, Vol 9, pp545-549 (1996).

Sang Yeol Lee and Hyung Ho Park, “Interfacial properties of YBa2Cu3O7-x thin films on Al2O3 substrates prepared by pulsed laser deposition”, Journal of Electronic Materials, 25, No. 6, pp.972 – 975 (1996).

S.Y. Lee, K.Y. Kang, S.K. Han, “Laser ablation for the fabrication of microwave resonator using superconducting thin film on buffered sapphire”, Proc. EUCAS, 148, pp1131-1134 (1995).

S.K. Han, J.H. Kim, S.Y. Lee, K.Y. Kang, “Microwave bandpass filter fabricated on the double-sided YBa2Cu3O7-x high Tc superconducting thin films”, Proc. EUCAS, 148, pp1135-1138 (1995).

S.Y. Lee, K.Y. Kang, J.H. Kim, S.K. Han, “Planar multipole lowpass filters fabricated on laser ablated high Tc superconducting thin films”, Proc. EUCAS, 148, pp1063-1066 (1995).

S.K. Han, K.Y. Kang, S.Y. Lee, D.Y. Jeong,M.S. Kang, and M.S.Jang, “The vortex lattice dynamics in the high-Tc superconductor TIBa2Ca2Cu3O9”, Synthetic Metals, 71, pp1581-1582 (1995).

K.Y. Kang, S.Y. Lee, Dal Ahn, S.K. Han, “Microwave multipole lowpass and bandpass filters fabricated by high-Tc superconducting thin films”, IEEE Transactions on Applied Superconductivity, 5, pp2671-2674 (1995).

Sang Yeol Lee, Kwang Yong Kang, and Dal Ahn, “Role of perturbations for dual mode superconducting microstrip resonators fabricated by laser ablation”, IEEE Transactions on Applied Superconductivity, 5, pp2567-2570 (1995).

Sang Yeol Lee, Kwang Yong Kang, and Dal Ahn, “Fabrication of YBa2Cu3O7-x superconducting dual mode resonator for satellite communications”, IEEE Transactions on Applied Superconductivity, 5, pp2563-2566 (1995).

S.Y. Lee, K.Y. Kang, E.H. Lee, D. Ahn, “High-temperature superconducting dual Mode resonator on (100) MgO Substrate”, Journal of Superconductivity, 8, pp227-231 (1995).

Q.X.Jia, S.Y.Lee, Z.Q. Shi, W.A. Anderson, and D.T.Shaw, “Suface and interface properties of superconducting YBa2Cu3O7-y thin films on GaAs using yttrium stablized ZnO2/Si3N4 as a buffer layer”, J. of Vacuum Sci. and Tech. A 10, pp.1544-1546 (1992).

Q.X.Jia, S.Y.Lee, W.A. Anderson, and D.T.Shaw, “Preservation of substrate crystal and enhancement of YBa2Cu3O7-y thin film growth using YSZ/Si3N4 as a buffer layer”, Physica C, 190, pp.266-270 (1992).

Sang Yeol Lee, Eiki Narumi, and D.T.Shaw, “Thermally activated dissipation in YBa2Cu3O7-y/Y1Ba2(Cu1-xNix)3O7-y superconducting multilayer thin films”, Physica C, 203, pp.378-384 (1992).

Q.X.Jia, S.Y.Lee, W.A. Anderson, and D.T.Shaw, “Role of buffer layers for superconducting Y1Ba2Cu3O7-y thin films on GaAs substrates”, Appl. Phys. Lett. 59, pp.1120-1122 (1991).

S.Y.Lee, Q.X.Jia, W.A. Anderson, and D.T.Shaw, “In situ laser deposition of superconductingY1Ba2Cu3O7-y thin films on GaAs substrates”, J. Appl. Phys. 70, pp.7170-7172 (1991).

S.Witanachchi, S.Y.Lee, L.W.Song, Y.H.Kao, and D.T.Shaw, “Critical current enhancement in multilayered Y1Ba2Cu3O7-y/Y1Ba2(Cu1-xNix)3O7-y structures”, Appl. Phys. Lett. 57, pp.2133-2135 (1990).