Papers

[2024]

• Tae Wan Kim, Gwangseop Lee, Masaya Ichimura, Jung-Hyuk Koh, "Enhanced soft piezoelectric properties of Sb2O3 doped 0.5 Ba (Zr0. 2Ti0. 8) O3-0.5 (Ba0. 7Ca0. 3) TiO3 materials." Journal of Alloys and Compounds 987 (2024): 174163. 

• Chun, Ouyang, Mohsin Saleem et al. "Advances in low-temperature solid oxide fuel cells: An explanatory review." Journal of Power Sources 610 (2024): 234719. 

• Habib, Muhammad Salman, Mohsin Saleem et al. "Experimental determination of electrophoretic deposition parameters and electrical characterization for K 0.5 Na 0.5 NbO3 perovskite thick films for energy harvesting applications." Materials Chemistry and Physics (2024): 129074. 

[2023]

• Suk-Young Jung, Gwangseop Lee, Tae-wan Kim, Sung-Jin Kim and Jung-Hyuk Koh, "Rosen-Type Piezoelectric Transformers Based on 0.5 Ba (Zr0. 2Ti0. 8) O3–0.5 (Ba0. 7Ca0. 3) TiO3 Ceramic and Doped with Sb2O3." Materials 16.18 (2023): 6201. 

• Seok-Mo Kang, TaeWan Kim, Nam-Hoon Kim, Sung-Jin Kim and Jung-Hyuk Koh, "Effect of Contents on the Electrical and Piezoelectric Properties of (1− x)(Bi, Na) TiO3–x (Ba, Sr) TiO3 Lead-Free Piezoelectric Ceramics." Materials 16.4 (2023): 1469. 

• Gwangseop Lee, Jung-Hyuk Koh, "The grain growth mechanisms for 0.8(Bi,Na)TiO3-0.2(Sr,Ti)O3 ceramics prepared using a two-step sintering process" Journal of Asian Ceramic Societies, 1-8 (2023)

• Jae-Hoon Ji, Bo Su Kim, Jihye Kang, Jung-Hyuk Koh. "Improved output performance of hybrid composite films with nitrogen-doped reduced graphene oxide" Ceramic Internationals, 49, 1615-1623 (2023)

• Min-Sung Bae, Ju-Won Lee, Jung-Hyuk Koh, "Synthesis and characterization of multi-phase structure, optical and electrical properties on (Ga-Sn) oxide composite thin film by sol-gel method" Materials Chemistry and Physics, 293, 126960 (2023)

[2022]

• Jaeyong Yun, Min-Sung Bae, Jin Su Baek, Tae Wan Kim, Sung-Jin Kim, Jung-Hyuk Koh, "Modeling of Optimized Lattice Mismatch by Carbon-Dioxide Laser Annealing on (In, Ga) Co-Doped ZnO Multi Deposition Thin Films Introducing Designed Bottom Layers" Nanomaterials, 13, 45-60 (2022)

• Seoung-Hyoun Kim, Chang-Hyeon Jo, Min-Sung Bae, Jung-Hyuk Koh, "CO2 laser-assisted RF-sputtered GaN thin film for wide bandgap semiconductors" Journal of Asian Ceramic Societies, 1-12 (2022)

• Jae-Hoon Ji, Gwangseop Lee, Jung-Hyuk Koh, "Synthesis of a nitrogen-doped-reduced-graphene-oxide-based ceramic polymer composite nanofiber film for wearable device application" Scientific Reports, 12, 15583 (2022)

• Jihye Kang, Jaeyong Yun, Yoo-Young Oh, Sung-Jin Kim, Masao Kamiko, Nam-Hoon Kim & Jung-Hyuk Koh, "Defects controlled stress engineering in Al-doped ZnO transparent multilayered thin films" Journal of the Korean Ceramic Society, 59, pp 742-748 (2022)

• Yoo-Young Oh, Gwangseop Lee, Masao Kamiko, Jung-Hyuk Koh, "Sintering Mechanism and Enhanced Piezoelectric and Crystal Structural Properties of (1-x)Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 Lead Free Ceramics" Korean Journal of Metals and Materials, 22, pp. 141-148 (2022)

• Jin Su Baek, Jung-Hyuk Koh, "Distortion control of (1-x)Ba(Hf,Ti)O3-x (Ba,Ca)TiO3 piezoelectric ceramics to improved piezoelectric properties and related Curie temperature" Journal of Alloys and Compounds, 22, pp. 162811 (2022)

[2021]

• Jihye Kang, Dong su Park, Dong hun Lee, Masao Kamiko, Sung-Jin Kim, Sang-Kwon Lee, and Jung-Hyuk Koh, " Enhanced Electrical Properties of AZO/IZO Multilayered Thin Film with Post Laser Annealing Process", Journal of Nanoscience and Nanotechnology, 21, pp. 1971-1977 (2021)

• Jae-Hoon Ji, Hong-Tae Kim, Sung-Jin Kim, Masao Kamico, and Jung-Hyuk Koh ," Enhanced Energy efficiency of Light Grid System with Optimized System Design and Recycling with Thermoelectric Platform", Journal of Nanoscience and Nanotechnology, 21, pp. 1927-1931 (2021)

• Bo Su Kim, Jae-Hoon Ji, Masao Kamiko, Seong Jin Kim, Jung-Hyuk Koh, "Improvement of Figure of Merit Pb(Zr,Ti)O3-Pb(Zn,Ni,Nb)O3-Pb(In,Nb)O3 Piezoelectric Ceramics" Journal of Nanoscience and Nanotechnology, 21, pp. 1978-1983 (2021)

• Bo Su Kim, Jae-Hoon Ji, Jung-Hyuk Koh,"Improved strain and transduction values of low-temperature sintered CuO-doped PZT-PZNN soft piezoelectric", Ceramic international, 21, pp.  6683-6690 (2021)

• Hong-Tae Kim, Jae-Hoon Ji, Bo Su Kim, Jin Su Baek & Jung-Hyuk Koh, "Engineered hard piezoelectric materials of MnO2 doped PZT-PSN ceramics for sensors applications" Journal of Asian Ceramic Societies, 21, pp. 1083-1090 (2021)

• Yoo-Young Oh, Jae-Hoon Ji, Seoung-Hyoun Kim and Jung-Hyuk Koh, "Innovative Infrared-pulsed laser assited RF sputtered  β-Ga2O3 thin film at low temperature process" Journal of Alloys and Compounds, 21. pp. 160435 (2021)

• Chao Li, Jin-Su Baek and Jung-Hyuk Koh, "Ce and Y Co-Doping Effects for (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 Lead-Free Ceramics", Coatings, 21, pp. 1248-1262 (2021)

• Min-Sung Bae, Seoung-Hyoun Kim, Jin-Su Baek and Jung-Hyuk Koh, "Comparative Study of High-Temperature Annealed and RTA Process β-Ga2O3 Thin Film by Sol-Gel Process", Coatings, 21. pp. 1220-1232 (2021)

[2020]

•  Jae-Hoon Ji, Jinhwan Kim, GaeHun Jo, Minyoung Park, Jihye Kang, Masao Kamiko, Jae-Geun Ha, Sang-Mo Koo, JunHee Hong,  Jung-Hyuk Koh, "Possibility of Thermal Energy Recycling Based Light Emitting Diodes Grid System", Journal of Nanoscience and Nanotechnology, 20, pp. 608-610 (2020)

• Min Young Park, Jae-Hoon Ji, Masao Kamiko, Jae-Geun Ha, Jung-Hyuk Koh, " Enhanced Electrical Properties of Platinum Spotted AZO/PET Thin Films Prepared by Sol–Gel Process", Journal of Nanoscience and Nanotechnology, 20, pp. 616-620 (2020)

• GaeHun Jo, Jihye Kang, Masao Kamiko, Jae-Geun Ha, Sang-Mo Koo, Jung-Hyuk Koh, "Enhanced Electrical Mobilities of Laser Annealed Ga Doped ZnO Thin Films", Journal of Nanoscience and Nanotechnology, 20(1), pp. 520-523 (2020)

• Jihye Kang, Jung-Hyuk Koh, "The effect of Ga doping on ZnO thin films subjected to CO2 laser annealing", Ceramics International, 46(8), pp. 10603-10609 (2020)

• Jae-Hoon Ji, Dong-Jin Shin, Jinhwan Kim, Jung-Hyuk Koh, "BiScO3-PbTiO3 piezoelectric ceramics with Bi excess for energy harvesting applications under high temperature", Ceramics International, 46, pp. 4104-4112 (2020) 

• Jae-Hoon Ji, Dong-Jin Shin, Sang-Kwon Lee, Sang-Mo Koo, Jae-Geun Ha, Masao Kamiko, Jung-Hyuk Koh, " Lead Free (Bi,Na)TiO3-BiAlO3 Ceramics for Piezoelectric Application", Journal of Nanoelectronics and Optoelectronics, Vol. 15, pp.459-462,2020

• Bo Su Kim, Jae-Hoon Ji, Hong-Tae Kim, Sung-Jin Kim, and Jung-Hyuk Koh, "Improved Multilayered (Bi,Sc)O3-(Pb,Ti)O3 Piezoelectric Energy Harvesters Based on Impedance Matching Technique" Sensors, 20(7), p. 1958 (2020)

• Hoseung Son, Jae-Hoon Ji, Jong Han Jeong, Seong-Hoon Han, Jung-Hyuk Koh, Jong S. Park, "Noncovalent Functionalization of Single-walled Carbon Nanotubes Using Alkylated Zinc-phtoalocyanine for the B-phase Formation of a Polyvinylidene Fluoride Matrix" Polym, Korea, Vol. 44, No.3, pp. 301-308 (2020)

• Hong-Tae Kim, Jae-Hoon Ji, Bo Su Kim, Jung-Hyuk Koh, " Strain related curie temperature and improved piezoelectric properties of lead-free (1-x)Ba(Sn,Ti)O3-x(Ba,Ca)TiO3 ceramics" Ceramics International, 46 (2020) 25050-25057

• Bo Su Kim, Jae-Hoon Ji, Jung-Hyuk Koh, " Improved strain and transduction values of low-temperature sintered CuO-doped PZT-PZNN soft piezoelectric materials for energy harvester applications" Ceramics International (2020) In Press

• Jae-Hoon Ji, Sanghyun Yoon, Jung-Hyuk Koh, "Comparative study of the Bi(Ni0.5Zr0.5)O3-PbTiO3 and Bi(Mg0.5Zr0.5)O3-PbTiO3 piezoelectric materials for energy harvesters", Journalo of asian ceramic society (2020) In press

[2019]

• GaeHun Jo, Jung-Hyuk Koh, "Laser annealing effects on Ga dopants for ZnO thin films for transparent conducting oxide application", Ceramics International, 45, 6190-6197 (2019)

• Jae-Hoon Ji, GaeHun Jo, JunHee Hong, Jung-Hyuk Koh, "Energy Harvesting Through Wasted Thermal Energy by Light Grid Sources", Journal of Nanoscience and Nanotechnology, 19, 1777-1779 (2019)

• Wook-Hee Han, Jung-Hyuk Koh, "AC Conductivity and Dielectric Properties of (1−x)(0.94Bi0 5Na0 5TiO3–0.06BaTiO3)–xTa Lead Free Ceramics", Journal of Nanoscience and Nanotechnology, 19, 1410-1414 (2019)

• Sanghyun Yoon, Dong-Jin Shin, Young-Ho Ko, Kyung-Ho Cho, Jung-Hyuk Koh, "Flexible Energy Harvester Based on Poly(vinylidene fluoride) Composite Films", Journal of Nanoscience and Nanotechnology, 19, 1289-1294 (2019)

• Dong-Jin Shin, Sanghyun Yoon, Wook-Hee Han, Jinhwan Kim, Kyung-Ho Cho, Jung-Hyuk Koh, "Spring-Based Active Shock Absorber Systems with Piezoelectric Energy Harvesters", Journal of Nanoscience and Nanotechnology, 19, 1538-1542 (2019)

• Min Young Park, Jae-Hoon Ji, Jung-Hyuk Koh, "Relaxation-Related Piezoelectric and Dielectric Behavior of Bi(Mg,Ti)O3–PbTiO3 Ceramic", Sensors, 19, 2115 (2019)

• Jae-Hoon Ji, Dae Hyun Kim, Byeong Guk Choi, Kul Lee, Chan Woo Kim, Sang-Kwon Lee, Young-Ho Ko, Kyung-Ho Cho, Jung-Hyuk Koh, "Improved Piezoelectric Properties of (Bi, Sc)O3-(Pb, Ti)O3 Ceramics Based on the Two-step sintering Process", Journal of Nanoscience and Nanotechnology, 14, 741-745 (2019)

• Kyung Ho Cho, Dong-Jin Shin, Chang Soo Lee, Jung-Hyuk Koh, " Impedance Matching Techniques of Multi‑layered PZT Ceramics for Piezoelectric Energy Harvesters", Electronic Materials Letters 15:437–443 (2019)

• Sanghyun Yoon, Jinhwan Kim, Jae‑Hoon Ji, SeokMo Kang, Kyung Ho Cho, Se‑Hyun Park, Jung‑Hyuk Koh, "Mn Doped PbZrTiO3 Thick Films for the Renewable Piezoelectric Energy Harvesters for Mobile Communications", Electronic Materials Letters, 15, 421-427 (2019)

• Dong-Jin Shin, Jae-Hoon Ji, Jinhwan Kim, Gae Hun Jo, Soon-Jong Jeong, Jung-Hyuk Koh , "Enhanced flexible piezoelectric energy harvesters based on BaZrTiO3eBaCaTiO3 nanoparticles/PVDF composite films with Cu floating electrodes", Journal of Alloys and Compounds, 802, 562-572 (2019)

• Jinhwan Kim, Jae-Hoon Ji, Dong-Jin Shin, Sanghyun Yoon, Young-Ho Ko, Kyung-Ho Cho, Jung-Hyuk Koh, " 2-Dimensional rGO introduced PMN-PT and P(VDF-TrFE) flexible films for enhanced piezoelectric energy harvester", Applied Surface Science , 494, 1000-1006 (2019)

• Jihye Kang, GaeHun Jo, Jae-Hoon Ji, Jung-Hyuk Koh, "Improved electrical properties of laser annealed In and Ga co-doped ZnO thin films for transparent conducting oxide applications", Ceramics international, 45, 23934-23940 (2019)

[2018]

• Wook-Hee Han, Jinhwan Kim, Jae-Hoon Ji, Bokyung Lee, Hyun Su Lee, Sang-Kwon Lee, Masao Kamiko, Jae-Geun Ha, and Jung-Hyuk Koh, "Piezoelectric Properties of (1−x)(0.94Bi0.5Na0.5TiO3–0.06BaTiO3)–xTa Ceramics", Science of Advanced Materials, 10, 1737-1741 (2018)

• Jinhwan Kim, Jae-Hoon Ji, Dong-Jin Shin, Jung-Hyuk Koh, "Improved Li and Sb doped lead-free (Na,K)NbO3 piezoelectric ceramics for energy harvesting applications", Ceramics International, 44, 22219-22224 (2018)

• Sanghyun Yoon, Jinhwan Kim, Kyung-Ho Cho, Young-Ho Ko, Sang-Kwon Lee, Jung-hyuk Koh, "Piezoelectric Energy Generators Based on Spring and Inertial Mass", Materials, 11, 2163 (2018)

• Jinhwan Kim, Sanghyun Yoon, Jae-Hoon Ji, Young-Ho Ko, Kyung-Ho Cho, Sang-Kwon Lee, Jung-Hyuk Koh, "Enhanced Ferroelectric and Piezoelectric Properties of (1-x)PMN-xPT Ceramics Based on a Partial Oxalate Process", Materials, 11, 2247 (2018)

• GaeHun Jo, Jae-Hoon Ji, Kamiko Masao, Jae-Geun Ha, Sang-Kwon Lee, Jung-Hyuk Koh, "CO2 laser annealing effects for Al-doped ZnO multilayered films", Ceramics International, 44, S211-S215 (2018)

• Dong-Jin Shin, Jinhwan Kim, Jung-Hyuk Koh, "Piezoelectric properties of (1-x)BZT-xBCT system for energy harvesting applications", Journal of the European Ceramic Society, 38, 4395-4403 (2018)

• Jae-Hoon Ji, GaeHun Jo, Jae-Geun Ha, Sang-Mo Koo, Masao Kamiko, JunHee Hong, Jung-Hyuk Koh, "Recycled Thermal Energy from High Power Light Emitting Diode Light Source", Journal of Nanoscience and Nanotechnology, 18, 6029-6032 (2018)

• Jae-Hoon Ji, GaeHun Jo, Byung-Joon Kim, Min Young Park, Jung-Hyuk Koh, "Pyroelectric and Piezoelectric Properties of (1−x) Na0.5K0.5NbO3-xBiScO3 Lead-Free Ceramics", Journal of Nanoscience and Nanotechnology, 18, 5991-5995 (2018)

• Jinhwan Kim, Jae-Hoon Ji, Gae-Hun Jo, Sung-Wook Min, Jung-Hyuk Koh, "Angle Dependent 3-D Directional Patterning of Flexible Films by Infrared Laser", Journal of Nanoscience and Nanotechnology, 18, 6312-6315 (2018)

• Wook-Hee Han, Jung-Hyuk Koh, "Shrinkage mechanism and enhanced piezoelectric properties of Ta doped 0.94Bi0.5Na0.5TiO3–0.06BaTiO3 lead free ceramics", Ceramics International, 44, 5352-5358 (2018)

• Gunhyun Lee, Jae-Hoon Ji, Jung-Hyuk Koh, "Enhanced piezoelectric properties of (Bi,Na)TiO3–(Bi,K)TiO3 ceramics prepared by two-step sintering process", International Journal of Applied Ceramic Technology, 15, 531-537 (2018)

• Gae Hun Jo, Sun-Ho Kim, Jung-Hyuk Koh, "Enhanced electrical and optical properties based on stress reduced graded structure of Al-doped ZnO thin films", Ceramics International, 44, 735-741 (2018)

• Ji-Won Lee, Gun-Hyun Lee, Dong-Jin Shin, Jinhwan Kim, Soon-Jong Jeong, Jung-Hyuk Koh, "Ag-migration effects on the metastable phase in CaCu3Ti4O12 capacitors", Scientific Reports, 8, 1392 (2018)

[2017]

• Jinhwan Kim, Jae-Hoon Ji, Gaehun Jo, Sanghyun Yoon, Sung-Wook Min, Jung-Hyuk Koh, "3-Dimensional Direct Patterning Methods Based on the Laser Ablation Method", Journal of Nanoelectronics and Optoelectronics, 12, 1360-1363 (2017)

• Jae-Hoon Ji, Jung-Hyuk Koh, "Sintering Temperature Effects on the Dielectric and Piezoelectric Properties of the Cu Doped (1−x)Na0.5K0.5NbO3–xBiScO3 Ceramics", Journal of Nanoelectronics and Optoelectronics, 12, 1-3 (2017)

• Jae-Hoon Ji, Un-Chul Moon, Hyuck-In Kwon, Jung-Hyuk Koh, "The two-step sintering effect on the dielectric and piezoelectric properties of (Na,K)NbO3-BiScO3 lead-free ceramics", Ceramics International, 43, S97-S101 (2017)

• Jinhwan Kim, Jung-Hyuk Koh, "Improved aging behavior of lead-free (Na,K)NbO3-LiSbO3 piezoelectric actuators", Ceramics International, 43, S92-S96 (2017)

• Joong-Hyeon Ahn, Dong-Jin Shin, Jung-Hyuk Koh, "Comparative study on the thickness dependent output energy for (Bi,Sc)O3-(Pb,Ti)O3 multilayered structure", Ceramics International, 43, S643-S648 (2017)

• Dong-Jin Shin, Jung-Hyuk Koh, "Comparative study on storing energy for (Ba,Zr)TiO3 and CuO-(Ba,Zr)TiO3 ceramics for piezoelectric energy harvesting applications", Ceramics International, 43, S649-S654 (2017)

• Ji-Won Lee, Jung-Hyuk Koh, "Enhanced dielectric properties of Ag-doped CCTO ceramics for energy storage devices", Ceramics International, 43, 9493-9497 (2017)

• Jae-Geun Ha, Jung-Woo Koo, Sang-Mo Koo, Shunichi Arisawa, Jung-Hyuk Koh, Masao Kamiko, "Novel fabrication method of self-organized FePd multilayer nanodots using the agglomeration of Au/Fe bilayer films", The Japan Society of Applied Physics, 56, 070312 (2017)

• Dong-Jin Shin, Joong-Hyeon Ahn, Chang-Eui Seo, Kyung-Ho Cho, Soon-Jong Jeong, Sang Heon Lee Jung-Hyuk Koh, "Comparative Study on the Single and Double Layered (Bi, Sc)O3-(Pb, Ti)O3 Energy Harvesters", Science of Advanced Materials, 9, 1228-1230 (2017)

• Dong-Jin Shin, Soon-Jong Jeong, Jung-Hyuk Koh, "A Comparative Research on Maximized Output Power Between Disc Type and Multilayered Type Piezoelectric Energy Harvesters", Science of Advanced Materials, 9, 1223-1227 (2017)

• Jinhwan Kim, Gun-Hyun Lee, Gun-Ho Yun, Bae-Won Park, Ji-Yun Jeong, Sang-Choi, Sung-Jin Kim, Seung Wook Chang, Jung-Hyuk Koh, "Spin-Coated In-Doped ZnO Nanorods for Transparent Conducting Oxide Applications", Science of Advanced Materials, 9, 1193-1196 (2017)

• Ji-Won Lee, Jung-Hyuk Koh, "Temperature-Dependent Giant Dielectric Properties of CaCu3Ti4O12", Science of Advanced Materials, 9, 1209-1212 (2017)

• Sang-Hyeok Cho, Kwanghee Cho, No-Won Park, Soonyong Park, Jung-Hyuk Koh, Sang-Kwon Lee, "Multi-Layer SnSe Nanoflake Field-Effect Transistors with Low-Resistance Au Ohmic Contacts", Nanoscale Research Letters, 12, 373 (2017)

• Jae-Hoon Ji, Jinhwan Kim, Jung-Hyuk Koh, "Improved dielectric and piezoelectric properties of K/Na excessed (Na,K)NbO3 lead-free ceramics by the two step sintering process", Journal of Alloys and Compounds, 698, 938-943 (2017)

• Jinhwan Kim, Jae-Hoon Ji, Sung-Wook Min, Gae-Hun Jo, Min-Woo Jung, Min-Jae Park, Sang-Kwon Lee, Jung-Hyuk Koh, "Enhanced conductance properties of UV laser/RTA annealed Al-doped ZnO thin films", Ceramics International, 43, 3900-3904 (2017)

[2016]

• Young-Hoon Kwon, Joong-Hyeon Ahn, and Jung-Hyuk Koh, "The Dielectric Properties of Bi(Mg,Ti)O3–PbTiO3 Ceramics", Journal of Nanoscience and Nanotechnology, 16, 12927-12929 (2016)

• Jinhwan Kim, Jae-Hoon Ji, Hyeongjae Lee, Sung-Wook Min, Sung-Jin Kim, Seung Wook Chang, Jung-Hyuk Koh, "Laser Etching Effects for Ag Electrodes on Flexible Indium Tin Oxide Thin Films", Journal of Nanoscience and Nanotechnology, 16, 12875-12877 (2016)

• Seung Wook Chang, Jung-Hyuk Koh, Sung-Jin Kim, "Synthesis and Characterization of Non-Centrosymmetrical Metallophthalocyanines Containing One Triazole Subunit and Their Dimer Complex with Silver Ions", Journal of Nanoscience and Nanotechnology, 16, 12923-12926 (2016)

• Fei Shan, Seung Wook Chang, Jung-Hyuk Koh, Sung-Jin Kim, "Effect of Spin Coating Speed on the Electrical Performances of Solution-Processed Indium Zinc Oxide Thin-Film Transistors", Journal of Nanoscience and Nanotechnology, 16, 12871-2874 (2016)

• Joong-Hyeon Ahn, Jung-Hyuk Koh, "Enhanced piezoelectric properties of (Bi,Sc)O3-(Pb,Ti)O3 ceramics by optimized calcination process", Journal of Alloys and Compounds, 689, 138-144 (2016)

• Joong-Hyeon Ahn, Dong-Jin Shin, Chang-Eui Seo, Kyung-Ho Cho, Jung-Hyuk Koh "Energy Gathering from the Multi-Layered Piezoelectric Energy Damping System Based on (Bi,Sc)O3–(Pb,Ti)O3 Ceramics" , Journal of Nanoscience and Nanotechnology, 16, 12894-12896 (2016)

• Dong-Jin Shin, Jinhwan Kim, Soon-Jong Jeong, Jung-Hyuk Koh "Piezoelectric and ferroelectric properties in Ba(Zr,Ti)O3 and CuO-Ba(Zr,Ti)O3 ceramics", Materials Research Bulletin, 82, 7-10 (2016)

• Gunhyun Lee, Dong-Jin Shin, Young-Hoon Kwon, Soon-Jong Jeong, Jung-Hyuk Koh, "Optimized piezoelectric and structural properties of (Bi,Na)TiO3–(Bi,K)TiO3 ceramics for energy harvester applications", Ceramics International, 42, 14335-14363 (2016)

• Dong-Jin Shin, Seok-Woo Yun, Joong-Hyeon Ahn, Jung-Hyuk Koh " Impedance Properties of Low-Temperature Sintered CuO-doped (Ba, Sr)TiO3 Ceramics ", Science of Advanced Materials, 8, 1809–1812 (2016)

• Young-Hoon Kwon , Dong-Jin Shin , Gun-Hyun Lee , Jung-Hyuk Koh "Sintering temperature dependent piezoelectric properties of (Bi,Na)TiO3–(Ba,Sr)TiO3 ceramics", Ceramics International,  10422-10427 (2016)

• Jin hwan Kim, Gun-Hyun Lee, and Jung-Hyuk Koh "Microwave Annealing Effects on Spin-Coated Al Doped ZnO Transparent Conducting Oxides Thin Films", Science of Advanced Materials, 8, 846-850 (2016)

• Ji-Won Lee, Jung-Hyuk Koh "Aerosol-Deposited (Ba,Sr)TiO3 Thick Films Prepared by Rapid Thermal Annealing for Microwave Applications", Science of Advanced Materials, 8, 834–839 (2016)

• Jae-Hoon Ji, Ji-Won Lee, Hyun-soo Chung, Jung-Hyuk Koh, "(Na,K)NbO3–CaCu3Ti4O12 perovskite composites for supercapacitor based piezoelectric devices", Ceramics International, 42, 4978–4983 (2016)

• Woo-Seok Kang, Dong-Jin Shin, Kyung-Ho Cho, Chang-Eui Seo, Soon-Jong Jeong, and Jung-Hyuk Koh, "Piezoelectric Energy Harvester Employing Simple Process with Flammable Material", Science of Advanced Materials, 8, 430–435 (2016)

• Sang-Uk Park, Jung-Hyuk Koh, "700–1400 nm Near Infrared Ray Annealing Effects on Spin Coated In doped AZO Thin Films for Transparent Conducting Oxide Applications", Science of Advanced Materials, 8, 425-429 (2016)

[2015]

• Jinhwan Kim, Gun-Hyun Lee, Su-Yong Lee, Young-Jae Oh, Seung-Il Oh, Yun-Chung Lee, Jun-Sang Yun, Seung-Wook Chang, Sung-Jin Kim, Sang-Kwon Lee, and Jung-Hyuk Koh, "Time Dependent Optical Annealing Effects on Al Doped ZnO Transparent Conducting Oxide Thin Films", Journal of Nanoelectronics and Optoelectronics, 10, 381-385 (2015)

• Ji-Won Lee,Jung-Hyuk Koh, "Grain size effects on the dielectric properties of CaCu3Ti4O12 ceramics for supercapacitor applications", Ceramics International, 41, 10442-10447 (2015)

• Won-Yong Lee, No-Won Park, Dong-Joo Kim, Soon-Gil Yoon, Jung-Hyuk Koh, Moondeok Kim, Sang-Kwon Lee, "Thickness and Grain Size Effects on Thermal Transport of Post-Annealed Antimony Telluride Thin Films", Science of Advanced Materials, 7, 1594-1598 (2015)

• Seung-Wook Chang, Won-You Kim, Jung-Hyuk Koh, Sung-Jin Kim, "Synthesis and Characterization of Octylthio-Metallophthalocyanines: Effect of Various Kinds of Metal Coordination on Their Spectroscopic and Magnetic Properties", Journal of Nanoelectronics and Optoelectronics, 10, 371-375 (2015)

• Dong-Jin Shin, Joong-Hyeon Ahn, Young-Hoon Kwon, Soon-Jong Jeong, Kyung-Ho Cho, Chang-Eui Seo, Jung-Hyuk Koh, "Passive Damping Effect of Piezoelectric Energy Harvesters Using Optimized R–L Shunt Damping Circuit", Journal of Nanoelectronics and Optoelectronics, 10, 244-248 (2015)

• Tae-Woo Lee, Seung-Wook Chang, Won-You Kim, Seong Gon Choi, Jung-Hyuk Koh, Sung-Jin Kim, "Optimal Combination Model of Donor and Acceptor Using Genetic Algorithm in an Organic Functional Energy Harvesting Device", Journal of Nanoelectronics and Optoelectronics, 10, 239-243 (2015)

• Jung-Hwan Hyung, Gil-Sung Kim, Jin-Tak Jeong, In-Hwan Choi, Chang-Hee Hong, Seoungjin Yun, Jung-Hyuk Koh, Sang-Kwon Lee, "Electrical Transport Characteristics of PEDOT: PSS/n-Si Schottky Junction Diodes and Electrical Degradation in Hybrid Solar Cells", Journal of Nanoelectronics and Optoelectronics, 10, 229-233 (2015)

• Jinhwan Kim, Jung-Hyuk Koh, "(Na,K)NbO3–(Bi,Na)TiO3 piezoelectric ceramics for energy-harvesting applications", Journal of the European Ceramic Society, 35, 3819-3825 (2015)

• Tae-Hyun Park, No-Won Park, Jinhwan Kim, Won-Yong Lee, Jung-Hyuk Koh, Sang-Kwon Lee, "Cross-plane temperature-dependent thermal conductivity of Al-doped zinc oxide thin films", Journal of Alloys and Compounds, 638, 83-87 (2015)

• Dong-Jin Shin, Soon-Jong Jeong, Chang-Eui Seo, Kyung-Ho Cho, Jung-Hyuk Koh, "Multi-layered piezoelectric energy harvesters based on PZT ceramic actuators", Ceramics International, 41, S686-S690 (2015)

• Young-Hoon Kwon, Gun-Hyun Lee, Jung-Hyuk Koh, "Effects of sintering temperature on the piezoelectric properties of(Bi,Na) TiO3-based composites for energy harvesting applications", Ceramics International, 41, S792-S797 (2015)

• Young-Hoon Kwon, Dong-Jin Shin, Jung-Hyuk Koh, "(1 – x)(Bi,Na)TiO3-x(Ba,Sr)TiO3 Lead-free Piezoelectric Ceramics for Piezoelectric Energy Harvesting", Journal of the Korean Society, 66, 1067-1071 (2015)

• Gun-Hyun Lee, Young-Hoon Kwon, Jung-Hyuk Koh, "Dielectric and piezoelectric properties of (1 x)(Bi,Na)TiO3–x(Bi,K)TiO3 lead-free ceramics for piezoelectric energy harvesters", Ceramics International, 41, 7897-7902 (2015)

• Jinhwan Kim, Ji-Won Lee, Jung-Hyuk Koh, Sang-Kwon Lee, "Enhanced Transparent Conducting Properties of Optically Annealed Aerosol Deposited Nano Clustered ZnO Thin Film", Science of Advanced Materials, 7, 1717-1721 (2015)

• Woo-Seok Kang, Jung-Hyuk Koh, "(1 − x)Bi0.5Na0.5TiO3–xBaTiO3lead-free piezoelectric ceramics for energy-harvesting applications", Journal of the European Ceramic Society, 35, 2057-2064 (2015)

• Jinhwan Kim, Jung-Hyuk Koh, "Relative shrinkage and activation energy of (1   x)(Na,K) NbO3–x(Bi,Na)TiO3 depending on sintering temperature", Journal of Alloys and Compounds, 638, 155-158 (2015)

• Woo-Seok Kang, Sang-Kwon Lee, Jung-Hyuk Koh"AC conductivity and dielectric properties of(Bi,Na)TiO3–BaTiO3 lead free ceramics", Ceramics International, 41, 6925-6932 (2015)

• Jinhwan Kim, Jung-Hyuk Koh, "(Na, K)NbO3-Based Ceramics for Self-Powered Energy Harvesting Applications", Journal of Nanoscience and Nanotechnology, 15, 2360-2363 (2015)

• Ji-Won Lee, Jung-Hyuk Koh, "Microwave Band-Pass Filter with Aerosol-Deposited Al2O3-Polytetrafluoroethylene Composite Thick Films", Journal of Nanoscience and Nanotechnology, 15, 2300-2304 (2015)

• No-Won Park, Won-Yong Lee, Sang-Kwon Lee, Dong-Joo Kim, Gil-Sung Kim, Jung-Hwan Hyung , Chang-Hee Hong, Jung-Hyuk Koh, Keun-Soo Kim, "Electrical Transport Measurements and Degradation of Graphene/n-Si Schottky Junction Diodes", Journal of the Korean Physical Society, 66, 22-26 (2015)

• Won-Yong Lee, No-Won Park, Ji-Eun Hong, Soon-Gil Yoon, Jung-Hyuk Koh, Sang-Kwon Lee, "Effect of electronic contribution on temperature-dependent thermal transport of antimony telluride thin film", Journal of Alloys and Compounds, 620, 120-124 (2015)

[2014]

• Dong-Jin Shin, Woo-Seok Kang, Jung-Hyuk Koh, Kyung-Ho Cho, Chang-Eui Seo, Sang-Kwon Lee, "Comparative study between the pillarand bulk-type multilayer structures for piezoelectric energy harvesters", Physica Status Solidi A-Applications and Materials Science,  8, 1812-1817 (2014)

• Dong-Jin Shin, Moon-Soon Chae , Jung-Hyuk Koh, Kyung-Ho Cho, Chang-Eui Seo , "Multi-layer Ceramic-Pillar Composite Structures for Piezoelectric Energy Harvesters", Ferroelectrics, 466, 103-109 (2014)

• Hyung-Jun Kim, Song-Min Nam, Jung-Hyuk Koh, "Fe–Si–Cr/PTFE Magnetic Composite Thick Films on Polyethylene Terephthalate Sheets for Near Field Communications by Aerosol Deposition", Journal of Nanoscience and Nanotechnology, 14, 7915-7918 (2014)

• Sang-Uk Park,Jung-Hyuk Koh, "Low temperature rf-sputtered In and Al co-doped ZnO thin films deposited on flexible PET substrate", Ceramics International, 40, 10021-10025 (2014)

• Sang-Uk Park, Jung-Hyuk Koh, "Two-step optical annealing effects on spin-coated InAl-doped ZnO thin films", Journal of Alloys and Compounds, 615, 1032-1036 (2014)

• Moon-Soon Chae, Jung-Hyuk Koh, "Piezoelectric behavior of(1-x)(PbMgNbO3–PbZrTiO3)–x(BaTiO3) ceramics for energy harvester applications", Ceramics International, 40, 2551-2555 (2014)

• Dong-Joo Kim, Gil-Sung Kim, No-Won Park, Won-Yong Lee, Yumin Sim, Keun-Soo Kim, Maeng-Je Seong, Jung-Hyuk Koh, Chang-Hee Hong, Sang-Kwon Lee, "Effect of annealing of graphene layer on electrical transport and degradation of Au/graphene/n-type silicon Schottky diodes", Journal of Alloys and Compounds, 612, 265-272 (2014)

• Sang-Uk Park, Jung-Hyuk Koh, "Dielectric properties of Ag-doped 0.94(K0.5Na0.5)NbO3-0.06LiNbO3 ceramics prepared by templated grain growth", Materials Research Bulletin, 58, 69-73 (2014)

• Susant Kumar Acharya, Byung-Guk Ahn, Chang Uk Jung, Jung-Hyuk Koh, In-Hwan Choi, Sang-Kwon Lee, "Effect of Rb doping on ferroelectric and piezoelectric properties of Bi0.5Na0.5TiO3–BaTiO3 thin films", Journal of Alloys and Compounds, 603, 248-254 (2014)

• Dong-Jin Shin, Woo-Seok Kang, Jung-Hyuk Koh, Kyung-Ho Cho, Chang-Eui Seo, Sang-Kwon Lee, "Comparative study between the pillarand bulk-type multilayer structures for piezoelectric energy harvesters", Physica Status Solidi A-Applications and Materials Science, 8, 1812-1817 (2014)

• Moon-Soon Chae, Jung-Hyuk Koh, Sang-Kwon Lee, "Influence of the sintering temperature and Ag2O dopants on microstructure and piezoelectric properties of 0.94(K0.5Na0.5) NbO3–0.06LiNbO3 lead-free ceramics", Journal of Alloys and Compounds, 587, 729-732 (2014)

[2013]

• Kyoung-Soo Lee, Dong-Jin Shin, Moon-Soon Chae, Sang-Mo Koo, Jae-Geun Ha, Jung-Hyuk Koh, Kyung-Ho Cho, Chang-Eui Seo, Soon-Jong Jeong, "The Effect of Polymer Fill Ratio in Pillar Structure for Piezoelectric Energy Harvester", Electronic Materials Letter, 9(4), 393-397 (2013)

• Hyung-Jun Kim, Oh-Yun Kwon, Chan-Ick Jang, Tae Kyoung Kim, Jun Rok Oh, Young Joon Yoon, Jong-Hee Kim, Song-Min Nam, Jung-Hyuk Koh, "Room-Temperature Growth of Ni-Zn-Cu Ferrite/PTFE Composite Thick Films on PET via Aerosol Deposition", Electronic Materials Letter, 9(6), 805-807 (2013)

• Kyung-Su Lee,Jung-Hyuk Koh, "Piezoelectric properties of lead free BaTiO3 doped 0.9(Na0.52K0.48)NbO3–0.1AgLiTaO3 ceramics", Ceramics International, 39, S701-S704 (2013)

• Min-Chul Jun, Jung-Hyuk Koh, "Optical and Structural Properties of Al-Doped ZnO Thin Films by Sol Gel Process", Journal of Nanoscience and Nanotechnology, 13, 3403-3407 (2013)

• Min-Chul Jun, Sang-Uk Park, Moon-Soon Chae, Dong-Jin Shin, Jae-Geun Ha, Sang-Mo Koo, Kyung-Ju Lee, Byung-Moo Moon, Chi-Young Song, and Jung-Hyuk Koh, "Near Infrared Ray Annealing Effects on the Properties of Al-Doped ZnO Thin Films Prepared by Spin-Coating Method", Journal of Nanoscience and Nanotechnology, 13, 6312-6315 (2013)

• Dong-Jin Shin, Jung-Hyuk Koh, "Micro-Fabrication of Piezo-Composite Materials on the Flexible Substrates", Journal of Nanoscience and Nanotechnology, 13, 6321-6325 (2013)

• Moon-Soon Chae, Kyung-Su Lee, Jung-Hyuk Koh, "Influence of calcination temperature on the piezoelectric properties of Ag2O doped0.94(K0.5Na0.5)NbO3–0.06LiNbO3 ceramics", Ceramics International, 39, S25-S29 (2013)

• Moon-Soon Chae, Kyung-Su Lee, Sang-Mo Koo, Jae-Geun Ha, Jae-Ho Jeon , Jung-Hyuk Koh, "Improved piezoelectric properties of Ag doped 0.94 (K0.5–βNa0.5–δ)NbO3–0.06Li1–γNbO3 ceramics by templated grain growth method", Journal of Electroceramics, 30, 60-65 (2013)

• Yong-Su Ham, Jung-Hyuk Koh, "Impedance spectroscopy of Li2CO3 doped (Ba,Sr)TiO3 ceramic", Solid State Sciences, 16, 53-56 (2013)

• Sang-Uk Park, Jung-Hyuk Koh, "Electrical and Optical Properties of In and Al Doped ZnO Thin Film", Electric Materials Letters, 9(4), 493-496 (2013)

• Dong-Jin Shin, Jung-Hyuk Koh, "Effects of calcination temperature on the piezoelectric properties of lead-free Ag doped (Na,K)NbO3–LiTaO3 piezoelectric ceramics", Journal of Alloys and Compounds, 555, 390-394 (2013)

• Min-Chul Jun, Jung-Hyuk Koh, "Effects of Annealing Temperature on Properties of Al-Doped ZnO Thin Films prepared by Sol-Gel Dip-Coating", Journal of Electrical Engineering & Technology, 8, 136-167 (2013)

• H. LEE, T. S. JUNG, J. C. LEE, Kyung-Soo Lee, Moon-Sonn Chae, Jung-Hyuk Koh, "Ag(Ta0.5Nb0.5)O3 Thick Film Based Microwave Band Pass Filters", Integrated Ferroelectrics, 141, 64-71 (2013)

• Sang-Uk Park, Moon-Soon Chae, Jung-Hyuk Koh, "AC Conductivity of Ag Doped 0.94(Na0.5K0.5)NbO3–0.06LiNbO3 Ceramics Prepared by Templated Grain Growth", Ferroelectrics, 453, 141-148 (2013)

• Jinhwan Kim, Jung-Hyuk Koh, "A Study of Effects of Sintering on the Piezoelectric Properties of 0.97(K0.5Na0.5)NbO3-0.03(Bi0.5Na0.5)TiO3 Lead-free Ceramics", Journal of the Korean Physical Society, 63, 2340-2344 (2013)

• Moon-Soon Chae,Jung-Hyuk Koh, "Effects of Li doping on dielectric properties of Ag(Ta0.5Nb0.5)O3 thick films", Ceramics International, 39, S457-S460 (2013)

• Moon-Soon Chae, Dong-Jin Shin, Hyung-Jun Kim, Sang-Mo Koo, Jae-Geun Ha, Kyung-Ho Cho, Chang Eui Seo, Jung-Hyuk Koh, "(1-x)(PbMgNbO3-PbZrTiO3)-x(BaTiO3) Piezoelectric Ceramics", Ferroelectrics, 451, 1-8 (2013)

• Seok-Woo Yun, Jae-Yong Park, Jung-Hyuk Koh, "High Dielectric and Electrical Properties of CuO Doped (Ba0.5Sr0.5)TiO3 Ceramics", Ferroelectrics, 458, 181-187 (2013)