Selected publications

 Full list of publications

2025

78. T. Kim, D. E. Lim, H. Kim, H. Nah, H. Park, Y. J. Chung, W. Lee, “Atomic layer deposition of Ru/rutile Al-TiO2/Ru layer stacks for high-performance silicon capacitors”, Mater. Sci. Semicond. Process. 195, 109646 (2025).

77. R. Wang, X. Liu, M. Wu, Y. J. Chung, A. Gupta, K. W. Baldwin, M. Shayegan, L. Pfeiffer, X. Lin, “Anomalous Acoustocurrent within Quantum Hall Plateaus”, Phys. Rev. Lett. 134, 13, 136504 (2025).

76. C. Wang, P. T. Madathil, S. K. Singh, A. Gupta, Y. J. Chung, L. N. Pfeiffer, K. W. Baldwin, M. Shayegan, “Developing Fractional Quantum Hall States at Even-Denominator Fillings 1/6 and 1/8”, Phys. Rev. Lett. 134, 4, 046502 (2025).

2024

75. C. Ha, Y. J. Chung, “Thin films as practical quantum materials: A status quo and beyond”, APL Mater. 12, 12, 120901 (2024).

74. K. Oh, H. Nam, Y. J. Chung, J. H. Moon, “Dry carbothermal reaction-enabled ultra-dense nanoparticle coatings for high-performance Li-S batteries”, Chem. Eng. J. 499, 156229 (2024).

73. Y. Jang, T.-W. Seo, J. Park, M. K. Park, J. Ahn, G. C. Jin, S. W. Lee, Y. J. Chung, Y.-B. Choi, C. H. Kwon, J. Cho, “A Hybrid Biofuel Cell with High Power and Operational Stability Using Electron Transfer-Intensified Mediators and Multi-Interaction Assembly”, Adv. Energy Mater. 14, 32, 2470132 (2024).

72. T. Kim, J. Jeon, S. H. Ryu, H. K. Chung, M. S. Jang, S. H. Lee, Y. J. Chung, S. K. Kim, “Atomic Layer Growth of Rutile TiO2 Films with Ultrahigh Dielectric Constants via Crystal Orientation Engineering”, ACS Appl. Mater. Interfaces. 16, 26, 33877 (2024).

71. H. K. Chung, J. Jeon, H. Kim, M. Jang, S.-C. Kim, S. O. Won, I.-H. Baek, Y. J. Chung, J. H. Han, S. H. Cho, T. J. Park, S. K. Kim, "Low Temperature Crystallization of Atomic-Layer-Deposited SrTiO3 Films with an Extremely Low Equivalent Oxide Thickness of Sub-0.4 nm", Appl. Surf. Sci. 664, 160243 (2024).

70. M. L. Freeman, P. T. Madathil, L. N. Pfeiffer, K. W. Baldwin, Y. J. Chung, R. Winkler, M. Shayegan, L. W. Engel, "Origin of Pinning Disorder in Magnetic-Field-Induced Wigner Solids", Phys. Rev. Lett. 132, 17, 176301 (2024).

69. S. Chae, W. J. Choi, L. J. Nebel, C. H. Cho, Q. A. Besford, A. Knapp, P. Makushko, Y. Zabila, O. Pylypovskyi, M. W. Jeong, S. Avdoshenko, O. Sander, D. Makarov, Y. J. Chung, A. Fery, J. Y. Oh, T. I. Lee, "Kinetically Controlled Metal-Elastomer Nanophases for Environmentally Resilient Stretchable Electronics", Nat. Commun. 15, 3071 (2024).

68. J. Jeon, T. Kim, M. Jang, H. K. Chung, S.-C. Kim, S. O. Won, Y. Park, B. J. Choi, Y. J. Chung, S. K. Kim, "High-Temperature Atomic Layer Deposition of Rutile TiO2 Films on RuO2 Substrates: Interfacial Reactions and Dielectric Performance", Chem. Mater. 36, 7, 3326 (2024). 

67. S. Lee, G. M. Park, Y. Kim, S.-H. Lee, S.-J. Jung, J. Hong, S.-C. Kim, S. O. Won, A. S. Lee, Y. J. Chung, J.-Y. Kim, H. Kim, S.-H. Baek, J.-S. Kim, T. J. Park, S. K. Kim, "Unlocking the Potential of Porous Bi2Te3-Based Thermoelectrics Using Precise Interface Engineering through Atomic Layer Deposition", ACS Appl. Mater. Interfaces. 16, 14, 17683 (2024).

66. P. T. Madathil, C. Wang, S. K. Singh, A. Gupta, K. A. Villegas Rosales, Y. J. Chung, K. W. West, K. W. Baldwin, L. N. Pfeiffer, L. W. Engel, M. Shayegan, "Signatures of Correlated Defects in an Ultraclean Wigner Crystal in the Extreme Quantum Limit", Phys. Rev. Lett. 132, 9, 096502 (2024).

65. M. Wu, X. Liu, R. Wang, Y. J. Chung, A. Gupta, K. W. Baldwin, L. Pfeiffer, X. Lin, Y. Liu, "Probing Quantum Phases in Ultra-High-Mobility Two-Dimensional Electron Systems Using Surface Acoustic Waves", Phys. Rev. Lett. 132, 7, 076501 (2024).

64. W. Chang, E. Yong, Y. J. Chung, Y. Ko, J. Cho, "Emerging Challenges in Textile Energy Electrodes: Interfacial Engineering for High-Performance Next-Generation Flexible Energy Storage Devices", Small Struct. 5, 2, 2300330 (2024).

63. W. Lin, X. Fan, L. Zhao, Y. J. Chung, A. Gupta, K. W. Baldwin, L. Pfeiffer, H. Lu, Y. Liu, "Metastable Charge Distribution between Degenerate Landau Levels", Phys. Rev. B 109, 3, 035305 (2024).

2023

62. C. Wang, A. Gupta, S. K. Singh, P. T. Madathil, Y. J. Chung, L. N. Pfeiffer, K. W. Baldwin, R. Winkler, M. Shayegan, "Fractional Quantum Hall State at Filling Factor 𝜈=1/4 in Ultra-High-Quality GaAs Two-Dimensional Hole Systems", Phys. Rev. Lett. 131, 26, 266502 (2023).

61. C. Wang, A. Gupta, P. T. Madathil, S. K. Singh, Y. J. Chung, L. N. Pfeiffer, K. W. Baldwin, M. Shayegan, "Next-Generation Even-Denominator Fractional Quantum Hall States of Interacting Composite Fermions", Proc. Natl. Acad. Sci. 120, 52, e2314212120 (2023).

60. P. T. Madathil, K. A. Villegas Rosales, Y. J. Chung, K. W. West, K. W. Baldwin, L. N. Pfeiffer, L. W. Engel, M. Shayegan, "Moving Crystal Phases of a Quantum Wigner Solid in an Ultra-High-Quality 2D Electron System", Phys. Rev. Lett. 131, 23, 236501 (2023).

59. M. Kang, D. Nam, J. Ahn, Y. J. Chung, S. W. Lee, Y.-B. Choi, C. H. Kwon, J. Cho, "A Mediator-Free Multi-Ply Biofuel Cell Using an Interfacial Assembly between Hydrophilic Enzymes and Hydrophobic Conductive Oxide Nanoparticles with Pointed Apexes", Adv. Mater. 35, 51, 2304986 (2023). 

58. C. Wang, A. Gupta, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, R. Winkler, M. Shayegan, "Highly Anisotropic Even-Denominator Fractional Quantum Hall State in an Orbitally Coupled Half-Filled Landau Level", Phys. Rev. Lett. 131, 5, 056302 (2023).

57. H. K. Chung, H. Kim, J. Jeon, S. Kim, S. O. Won, R. Harada, T. Tsugawa, Y. J. Chung, S. Baek, T. J. Park, S. K. Kim, "Nucleation and Layer Closure Behavior of Iridium Films Grown Using Atomic Layer Deposition", J. Phys. Chem. Lett. 14, 28, 6486 (2023).

56. L. Zhao, W. Lin, Y. J. Chung, A. Gupta, K. W. Baldwin, L. N. Pfeiffer, Y. Liu, "Dynamic Response of Wigner Crystals", Phys. Rev. Lett. 130, 24, 246401 (2023).

55. P. T. Madathil, K. A. Villegas Rosales, C. T. Tai, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Delocalization and Universality of the Fractional Quantum Hall Plateau-to-Plateau Transitions", Phys. Rev. Lett. 130, 22, 226503 (2023).

54. Md. S. Hossain, M. K. Ma, Y. J. Chung, S. K. Singh, A. Gupta, K. W. West, K. W. Baldwin, L. N. Pfeiffer, R. Winkler, M. Shayegan, "Valley-Tunable Even-Denominator Fractional Quantum Hall State in the Lowest Landau Level of an Anisotropic System", Phys. Rev. Lett. 130, 12, 126301 (2023).

53. R. L. Willett, K. Shtengel, C. Nayak, L. N. Pfeiffer, Y. J. Chung, M. L. Peabody, K. W. Baldwin, K. W. West, "Interference Measurements of Non-Abelian 𝑒/4 & Abelian 𝑒/2 Quasiparticle Braiding", Phys. Rev. X 13, 1, 011028 (2023).

2022

52. Md. S. Hossain, M. K. Ma, Y. J. Chung, S. K. Singh, A. Gupta, K. W. West, K. W. Baldwin, L. N. Pfeiffer, R. Winkler, M. Shayegan, "Fractional Quantum Hall Valley Ferromagnetism in the Extreme Quantum Limit", Phys. Rev. B 106, 20, L201303 (2022).

51. M. K. Ma, C. Wang, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, R. Winkler, M. Shayegan, "Robust Quantum Hall Ferromagnetism near a Gate-Tuned 𝜈=1 Landau Level Crossing", Phys. Rev. Lett. 129, 19, 196801 (2022).

50. C. Wang, A. Gupta, S. K. Singh, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, R. Winkler, M. Shayegan, "Even-Denominator Fractional Quantum Hall State at Filling Factor 𝜈=3/4", Phys. Rev. Lett. 129, 15, 156801 (2022).

49. Y. J. Chung, A. Gupta, K. W. Baldwin, K. W. West, M. Shayegan, L. N. Pfeiffer, "Understanding limits to mobility in ultrahigh-mobility GaAs two-dimensional electron systems: 100 million cm2/Vs [yL1] and beyond", Phys. Rev. B 106, 7, 075134 (2022).

48. Md. S. Hossain, M. K. Ma, K. A. Villegas-Rosales, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Anisotropic two-dimensional disordered Wigner solid", Phys. Rev. Lett. 129, 3, 036601 (2022).

47. K. A. Villegas Rosales, P. T. Madathil, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Composite fermion mass: Experimental measurements in ultrahigh quality two-dimensional electron systems", Phys. Rev. B 106, 4, L041301 (2022). 

46. Y. J. Chung, C. Wang, S. K. Singh, A. Gupta, K. W. Baldwin, K. W. West, M. Shayegan, L. N. Pfeiffer, R. Winkler, "Record-quality GaAs two-dimensional hole systems", Phys. Rev. Mater. 6, 3, 034005 (2022).  

45. Y. J. Chung, D. Graf, L. W. Engel, K. A. Villegas Rosales, P. T. Madathil, K. W. Baldwin, K. W. West, L. N. Pfeiffer, M. Shayegan, "Correlated States of 2D Electrons near the Landau Level Filling 𝜈 =1/7", Phys. Rev. Lett. 128, 2, 026802 (2022).

2021

44.  K. A. Villegas Rosales, S. K. Singh, H. Deng, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Melting phase diagram of bubble phases in high Landau level", Phys. Rev. B 104, 12, L121110 (2021). 

43. Md. S. Hossain, M. K. Ma, K. A. Villegas-Rosales, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Spontaneous Valley Polarization of Itinerant Electrons", Phys. Rev. Lett. 127, 11, 116601 (2021).  

42. K. A. Villegas Rosales, P. T. Madathil, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Fractional Quantum Hall Effect Energy Gaps: Role of Electron Layer Thickness", Phys. Rev. Lett. 127, 5, 056801 (2021).  

41. K. A. Villegas-Rosales, S. K. Singh, M. K. Ma, Md. Shafayat Hossain, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Competition between fractional quantum Hall liquid and Wigner solid at small fillings: Role of layer thickness and Landau level mixing", Phys. Rev. Res. 3, 1, 013181 (2021). 

40. Y. J. Chung, K. A. Villegas-Rosales, K. W. Baldwin, P. T. Madathil, K. W. West, M. Shayegan, L. N. Pfeiffer, "Ultra-high-quality two-dimensional electron systems", Nat. Mater. 20, 632 (2021). 

39. Md. Shafayat Hossain, T. Zhao, S. Pu, M. A. Mueed, M. K. Ma, K. A. V. Rosales, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, J. K. Jain, M. Shayegan, "Bloch Ferromagnetism of Composite Fermions", Nat. Phys. 17, 48 (2021). 

2020

38. Md. Shafayat Hossain, M. A. Mueed, M. K. Ma, K. A. Villegas Rosales, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Observation of Spontaneous Ferromagnetism in a Two-Dimensional Electron System", Proc. Natl. Acad. Sci. 117, 51, 32244 (2020). 

37. Md. Shafayat Hossain, M. A. Mueed, M. K. Ma, K. A. Villegas Rosales, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Precise experimental test of the Luttinger theorem and particle-hole symmetry for a strongly correlated fermionic system", Phys. Rev. Lett. 125, 4, 046601 (2020). 

36. M. K. Ma, K. A. Villegas Rosales, H. Deng, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, R. Winkler, M. Shayegan, "Thermal and quantum melting phase diagrams for a magnetic-field induced Wigner solid", Phys. Rev. Lett. 125, 3, 036601 (2020). 

35. Y. J. Chung, S. Yuan, Y. Liu, K. W. Baldwin, K. W. West, M. Shayegan, L. N. Pfeiffer, "Heterostructure design to achieve high quality, high density GaAs 2D electron system with g-factor tending to zero", Appl. Phys. Lett. 117, 2, 022102 (2020).  

34. Y. J. Chung, K. A. Villegas-Rosales, K. W. Baldwin, K. W. West, L. N. Pfeiffer, M. Shayegan, "Working principles of the doping-well structure in high-mobility two-dimensional electron systems", Phys. Rev. Mater. 4, 4, 044003 (2020). 

2019~

33. Y. J. Chung, K. W. Baldwin, K. W. West, N. Haug, J. van de Wetering, M. Shayegan, L. N. Pfeiffer, "Spatial mapping of local density variations in two-dimensional electron systems using scanning photoluminescence", Nano Lett. 19, 3, 1908 (2019). 

32. Md. Shafayat Hossain, Meng K. Ma, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Unconventional Anisotropic Even-Denominator Fractional Quantum Hall State in a System with Mass Anisotropy", Phys. Rev. Lett. 121, 25, 256601 (2018). 

31. X. Fu, Q. Shi, M. A. Zudov, Y. J. Chung, K. W. Baldwin, L. N. Pfeiffer, K. W. West, "Quantum Hall stripes in high-density GaAs/AlGaAs quantum wells", Phys. Rev. B 98, 20, 205418 (2018). 

30. Md. Shafayat Hossain, M. A. Mueed, Meng K. Ma, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, M. Shayegan, "Anomalous coupling between magnetic and nematic orders in quantum Hall systems", Phys. Rev. B 98, 8, 081109(R) (2018). 

29. Y. J. Chung, K. A. Villegas-Rosales, H. Deng, K. W. Baldwin, K. W. West, M. Shayegan, L. N. Pfeiffer, "Multivalley two-dimensional electron system in an AlAs quantum well with mobility exceeding 2 x 106 cm2V-1s-1", Phys. Rev. Mater. 2, 7, 071001(R) (2018).

28. Y. J. Chung, K. W. Baldwin, K. W. West, M. Shayegan, L. N. Pfeiffer, “Surface segregation and the Al problem in GaAs quantum wells”, Phys. Rev. Mater. 2, 3, 034006 (2018).

27. Y. J. Chung, K. W. Baldwin, K. W. West, D. Kamburov, M. Shayegan, L. N. Pfeiffer, "Design rules for modulation doped AlAs quantum wells”, Phys. Rev. Mater. 1, 2, 021002(R) (2017).

26. S. G. Kang, C. W. Lee, Y. J. Chung, C. G. Kim, S. Kim, D. Kim, C. J. Kim, Y. K. Lee, “Nano-glass frit for inkjet printed front side metallization of silicon solar cells prepared by sol–gel process”, Physica Status Soildi-Rapid Res. Lett. 9, 5, 293 (2015). 

25. W. J. Choi, J. Jung, S. Lee, Y. J. Chung, C. S. Yang, Y. K. Lee, Y. S. Lee, J. K. Park, H. W. Ko, J. O. Lee, “Effects of substrate conductivity on cell morphogenesis and proliferation using tailored, atomic layer deposition-grown ZnO thin films”, Sci. Rep. 5, 9974 (2015).

24. J. H. Han, Y. J. Chung, B. K. Park, S. K. Kim, H. Kim, C. G. Kim, T. Chung, “Growth of p-type Tin(Ⅱ) Monoxide Thin Films by Atomic Layer Deposition from Bis(1-dimethylamino-2-methyl-2propoxy)tin and H2O”, Chem. Mater. 26, 21, 6088 (2014).

23. Y. J. Chung, W. J. Choi, S. G. Kang, C. W. Lee, J.-O. Lee, K.-J. Kong, Y. K. Lee, "A study on the influence of local doping in atomic layer deposited Al:ZnO thin film transistors", J. Mater. Chem. C 2, 43, 9274 (2014).

22.  Y. J. Chung, U. K. Kim, E. S. Hwang, C. S. Hwang, "Indium tin oxide/InGaZnO bilayer stacks for enhanced mobility and optical stability in amorphous oxide thin film transistors", Appl. Phys. Lett. 105, 1, 013508 (2014).

21. Y. J. Chung, D.-C. Moon, J. H. Han, M. Park, J. W. Park, T.-M. Chung, Y. K. Lee, K. S. An, "Trimethylsilylcyclopentadienyl tris(dimethylamino)zirconium as a single-source metal precursor for the atomic layer deposition of ZrxSi1-xO4", Thin Solid Films [yL1] 564, 140 (2014)

20. J. Choi, Y. J. Chung, Y. H. Kim, J. Han, Y. K. Lee, K. Kong, H. Chang, Y. K. Lee, "Drawing Circuits with Carbon Nanotubes: Scratch-Induced Graphoepitaxial Growth of Carbon Nanotubes on Amorphous Silicon Oxide Substrates", Sci. Rep[yL1] . 4, 5289 (2014).

19. W. Jung, W. Song, W. J. Choi, D. S. Jung, Y. J. Chung, S. Myung, S. S. Lee, J. Lim, C.-Y. Park, J.-O. Lee, K.-S. An, "Fabrication of free-standing Al2O3 nanosheets for high mobility flexible graphene field effect transistors", J. Mater. Chem. C 2, 24, 4759 (2014).

18. E. J. Ra, M.-H. Tran, S. Yang, T. H. Kim, C.-S. Yang, Y. J. Chung, Y. K. Lee, I.-J. Kim, H. K. Jeong, "Synthesis of nitrogen doped graphite oxide and its electrochemical properties", Curr. Appl. Phys. 14, 1, 82 (2014).

17. W. J. Choi, Y. J. Chung, S. Park, C.-S. Yang, Y. K. Lee, K. S. An, Y.-S. Lee, J.-O. Lee, "A Simple Method for Cleaning Graphene Surfaces with an Electrostatic Force", Adv. Mater. 26, 4, 637 (2014).

16. U. K. Kim, S. H. Rha, J. H. Kim, Y. J. Chung, J. Jung, E. S. Hwang, J. Lee, T. J. Park, J.-H. Choi, C. S. Hwang, "Study on the defects in metal-organic chemical vapor deposited zinc tin oxide thin films using negative bias illumination stability analysis", J. Mater. Chem. C 1, 40, 6695 (2013)

15. S. H. Rha, U. K. Kim, J. Jung, H. K. Kim, Y. S. Jung, E. S. Hwang, Y. J. Chung, M. Lee, J.-H. Choi, C. S. Hwang, "The Electrical Properties of Asymmetric Schottky Contact Thin-Film Transistors with Amorphous-In2Ga2ZnO7“, IEEE Trans. Electron Devices 60, 3, 1128[yL1]  (2013).

14. S. H. Rha, J. Jung, Y. S. Jung, Y. J. Chung, U. K. Kim, E. S. Hwang, B. K. Park, T. J. Park, J.-H. Choi, C. S. Hwang, "Performance Variation According to Device Structure and the Source/Drain Metal Electrode of a-IGZO TFTs”, IEEE Trans. Electron Devices 59, 12, 3357 (2012).

13. H. S. Jung, S. H. Jeon, H. K. Kim, I. H. Yu, S. Y. Lee, J. Lee, Y. J. Chung, D. Y. Cho, N. I. Lee, T. J. Park, “The Impact of Carbon Concentration on the Crystalline Phase and Dielectric Constant of Atomic Layer Deposited HfO2 Films on Ge Substrate”, ECS J. Solid State Sci. Technol. 1, 2, N33 (2012).

12.  H. S. Jung, I. Yu, H. K. Kim, S. Y. Lee, J. Lee, Y. Choi, Y. J. Chung, N. Lee, T. J. Park, J. Choi, C. S. Hwang, “Reduction of Charge Trapping in HfO2 Film on Ge Substrates by Atomic Layer Deposition of Various Passivating Interfacial Layers”, IEEE Trans. Electron Devices 59, 9, 2350 (2012). 

11.  S. H. Rha, J. Jung, Y. S. Jung, Y. J. Chung, U. K. Kim, E. S. Hwang, B. K. Park, T. J. Park, J. Choi, C. S. Hwang, “Vertically integrated submicron amorphous-In2Ga2ZnO7 thin film transistor using a low temperature process”, Appl. Phys. Lett. 100, 20, 203510 (2012). 

10.  J. S. Jung, S. H. Rha, U. K. Kim, Y. J. Chung, Y. S. Jung, J. Choi, C. S. Hwang, “The charge trapping characteristics of Si3N4 and Al2O3 layers on amorphous-indium-gallium-zinc oxide thin films for memory application”, Appl. Phys. Lett. 100, 18, 183503 (2012). 

9.  J. Y. Seok, G. H. Kim, J. H. Kim, U. K. Kim, Y. J. Chung, S. J. Song, J. H. Yoon, K. J. Yoon, M. H. Lee, K. M. Kim, C. S. Hwang, “Resistive Switching in TiO2 Thin Films Using the Semiconducting In-Ga-Zn-O Electrode”, IEEE Electron Device Lett. 33, 4, 582 (2012). 

8.  H. S. Jung, H. K. Kim, I. Yu, S. Y. Lee, J. Lee, J. Park, J. H. Jang, S. Jeon, Y. J. Chung, D. Y. Cho, N. Lee, T. J. Park, J. Choi, C. S. Hwang, “Properties of atomic layer deposited HfO2 films on Ge substrates depending on process temperatures”, J. Electrochem. Soc. 159, 4, G33 (2012). 

7.  Y. J. Chung, J. H. Kim, U. K. Kim, S. H. Rha, E. Hwang, C. S. Hwang, “Optical modeling and experimental verification of light induced phenomena in In-Ga-Zn-O thin film transistors with varying gate insulator thickness”, J. Appl. Phys. 111, 2, 024511 (2012).

6.  J. H. Kim, U. K. Kim, Y. J. Chung, C. S. Hwang, “Correlation of the change in transfer characteristics with the interfacial trap densities of amorphous In–Ga–Zn–O thin film transistors under light illumination”, Appl. Phys. Lett. 98, 23, 232102 (2011). 

5.  J. H. Kim, U. K. Kim, Y. J. Chung, C. S. Hwang, “Improvement in the negative bias illumination temperature stress instability of In–Ga–Zn–O thin film transistors using an Al2O3 buffer layer”, Phys. Status Solidi Rapid Res. Lett. 5, 5-6, 178 (2011). 

4.  Y. J. Chung, J. H. Kim, U. K. Kim, M. Ryu, S. Y. Lee, C. S. Hwang, “Study on the existence of abnormal hysteresis in Hf-In-Zn-O thin film transistors under illumination”, Electrochem. Solid-state Lett. 14, 7, H300 (2011). 

3.  Y. J. Chung, J. H. Kim, U. K. Kim, D. Y. Cho, H. S. Jung, J. K. Jeong, C. S. Hwang, "Direct observation of hole current in amorphous oxide semiconductors under illumination", Electrochem. Solid-state Lett. 14, 6, G35 (2011). 

2.  J. H. Kim, U. K. Kim, Y. J. Chung, J. S. Jung, S. H. Ra, H. S. Jung, C. S. Hwang, J. K. Jeong, S. Y. Lee, "The effects of device geometry on the negative bias temperature instability of Hf-In-Zn-O thin film transistors under light illumination", Appl. Phys. Lett. 98, 2, 023507 (2011). 

1.  D. Y. Cho, J. H. Kim, U. K. Kim, Y. J. Chung, J. Song, C. S. Hwang, J. M. Lee, S. J. Oh, "Spectroscopic investigation on the origin of photoinduced carrier generation in semiconducting InGaO and InGaZnO films", J. Phys. Chem. C 114, 27, 11962 (2010).