105.Min Choul Kim, Pil Seong Jeong, Seung Hui Hong, and Suk-Ho Choi, “Effects of Channel Width and Length on Si-Nanocrystal Nonvolatile Memory Devices”, J. Kor. Phys. Soc. 54, 131 (2009).
104.Min Choul Kim, Seung Hui Hong, Hye Ryong Kim, Sung Kim, Suk-Ho Choi, R. G. Elliman, and S. P. Russo, “Nonvolatile memories using deep traps formed in Al2O3 by metal ion implantation”, Appl. Phys. Lett. 94, 112110 (2009).
103.Sung Kim, Sung Won Hwang, Suk-Ho Choi, R. G. Elliman, Young-Min Kim, and Youn-Joong Kim, “Formation characteristics and photoluminescence of Ge nanocrystals in HfO2”, J. Appl. Phys. 105, 106112 (2009).
102.Sung Kim, Dong Hee Shin, Chang Oh Kim, Sung Won Hwang, Suk-Ho Choi, Seungmuk Ji, and Ja-Yong Koo, “Enhanced ultraviolet emission from hybrid structures of single-walled carbon nanotubes/ZnO films”, Appl. Phys. Lett. 94, 213113 (2009).
101.Sung Kim, Chang Oh Kim, Sung Won Hwang, and Suk-Ho Choi, “Fabrication and structural characterization of hybrid nanostructures of ZnO/Si”, J. Kor. Phys. Soc. 54, 2318 (2009).
100.Pil Seong Jeong, Hye Ryong Kim, Yong-Sik Lee, and Suk-Ho Choi, “Optical and Electrical Characterization of Hydrogenated GaInZnO Thin Films”, J. Kor. Phys. Soc. 54, 2378 (2009).
99. Seung Hui Hong, Min Choul Kim, Hye Ryong Kim, Suk-Ho Choi, and Kyung Joong Kim, “Nonvolatile memories of Ge nanodots within ZrO2 ”, J. Kor. Phys. Soc. 54, 2339 (2009).
98. Min Choul Kim, Sung Kim, Suk-Ho Choi, K. Belay, R. G. Elliman, and S. P. Russo, “Nonvolatile memories using AlO--implanted Al2O3”, IEEE Electron Dev. Lett. 30, 837 (2009).
97. Hye Ryong Kim, Pil Seong Jeong, Hyoung Taek Oh, and Suk-Ho Choi, “Effect of F- implantation on Optical and Electrical Properties of GaInZnO Thin Films”, J. Kor. Phys. Soc. 55, 636 (2009).
96. Sung Won Hwang, Dong Hee Shin, Seung Hui Hong, and Suk-Ho Choi, “Microscopic characterization of silicon nanocrystals formed by in-situ annealing”, J. Kor. Phys. Soc. 55, 558 (2009).
95. Hye Ryong Kim, Sung Kim, Chang Oh Kim, and Suk-Ho Choi, “Temperature-dependent negative photoconductivity of ZnO films”, Thin Solid Films 518, 305 (2009).
94. Jun-Woo Park, Pil-Seong Jeong, Suk-Ho Choi, Hosun Lee, Bo Hyun Kong, and Hyung Koun Cho, “Optical and Structural Properties of Ion-implanted InGaZnO Thin Films Studied with Spectroscopic Ellipsometry and Transmission Electron Microscopy”, Jpn. J. Appl. Phys. 48, 111603 (2009).
93. Dong Hee Shin, Sung Kim, Seung Hui Hong, Suk-Ho Choi, and Kyung Joong Kim, “Control of amorphous silica nanowire growth by oxygen content of Si-rich oxide”, Nanotechnology 21, 045604 (2009).
92. Sung Kim, Do Kyu Lee, Seung Hui Hong, Sung Hwan Eom, Hyoung Taek Oh, Suk-Ho Choi, Han Na Hwang, and Chan Cuk Hwang, “High-efficient ultraviolet emission in phonon-reduced ZnO films: the role of germanium”, J. Appl. Phys. 103, 023514 (2008).
91. Sung Kim and Suk-Ho Choi, "Size-dependent correlation of photoluminescence lifetime with Si suboxide states at Si nanocrystal/SiO2 interfaces", J. Kor. Phys. Soc. 52, 462 (2008).
90. Seung Hui Hong, Min Choul Kim, Pil Seong Jeong, Suk-Ho Choi, Yong-Sung Kim, and Kyung Joong Kim, “Nonvolatile memories of Ge nanodots self-assembled by depositing ultra-small-amount Ge on SiO2 at room temperature”, Appl. Phys. Lett. 92, 093124 (2008).
89. Seung Hui Hong, Min Choul Kim, Pil Seong Jeong, Suk-Ho Choi, and Kyung Joong Kim, “Ge-nanodot multilayer nonvolatile memories”, Nanotechnology 19, 305203 (2008).
88. Sung Kim, Chang Oh Kim, Sung Won Hwang, and Suk-Ho Choi, “Growth and enhanced light emission of hybrid structures of ZnO/Si nanocrystals”, Appl. Phys. Lett. 92, 243108 (2008).
87. Sung Kim, Do Kyu Lee, Sung Hwan Eom, Chang Oh Kim, and Suk-Ho Choi, “Effect of Ge concentration on the Temperature Dependence of Photoluminescence from Ge-doped ZnO”, J. Kor. Phys. Soc. 53, 426 (2008).
86. Seung Ho Baek, Do Kyu Lee, Tae Dong Kang, Suk-Ho Choi, Hosun Lee, and Sung Hwan Eom, "Optical Properties of Ge-doped ZnO Thin Films Studied with Spectroscopic Ellipsometry", J. Kor. Phys. Soc. 53, 451 (2008).
85. J. Park, D.-K. Lee, D. Lim, H. Lee, and Suk-Ho Choi, “Optical Properties of Thermally Annealed Hafnium Oxide and Their Correlation with Structural Change”, J. Appl. Phys. 104, 033521 (2008).
84. Sung Kim, Chang Oh Kim, Hyoung Taek Oh, and Suk-Ho Choi, “Strong enhancement of near-band-edge photoluminescence from ZnO by assembling ZnO/SiOx heterostructures”, J. Phys. D 41, 235403 (2008).
83. J. E. Lee, E. D. Do, U R. Lee, M. J. Cho, K. H. Kim, J.-I. Jin, D. H. Shin, Suk-Ho Choi, D. H. Choi, “Effect of binding mode on the photoluminescence of CTMA-DNA doped with (E)-2-(2-(4-(diethylamino)styryl)-4H-pyran-4-ylidene)malononitrile”, Polymer 49, 5417 (2008).
82. Do Kyu Lee, Sung Kim, Chang Oh Kim, Sung Hwan Eom, Hyoung Taek Oh, and Suk-Ho Choi, “Effect of Ge-nanodot incorporation on the light-emission from ZnO thin films”, J. Kor. Phys. Soc. 53, 3381 (2008).
81. C.J. Park, W.-C. Yang, H. Y. Cho, Min Choul Kim, Sung Kim, and Suk-Ho Choi, "Effect of Si-spacer thickness on optical properties of multi-stacked Ge quantum dots grown by rapid thermal chemical vapor deposition ", J. Appl. Phys. 101, 014304 (2007).
80. K. S. Seol, K. S. Cho, B.-K. Kim, J.-Y. Choi, E.-K. Lee, Y.-S. Min, J.-B. Park, and Suk-Ho Choi, "Nonvolatile memory devices fabricated by using colloidal Ni nanocrystals", J. Kor. Phys. Soc. 50, 49 (2007).
79. Sung Kim, Yong Min Park, Suk-Ho Choi, and Kyung Joong Kim, "Origin of cathodoluminescence from Si nanocrystal/SiO2 multilayers", J. Appl. Phys. 101, 034306 (2007).
78. Kyu Il Han, Yong Min Park, Sung Kim, Suk-Ho Choi, Kyung Joong Kim, Il Han Park, and Byung-Gook Park, "Enhancement of Memory Performance Using Doubly-Stacked Si Nanocrystal Floating Gates Prepared by Ion Beam Sputtering in UHV", IEEE Trans. Electron Devices 54, 359 (2007).
77. Sung Kim, Yong Min Park, Suk-Ho Choi, Kyung Joong Kim, and Dong Hoon Choi, "Temperature-dependent carrier recombination processes in nanocrystalline Si/SiO2 multi-layers studied by continuous-wave and time-resolved photoluminescence", J. Phys. D 40, 1339 (2007).
76. S. Choi, Y.-K. Cha, B.-S. Seo, S. Park, J.-H. Park, S. Shin, K. S. Seol, J.-B. Park, Y.-S. Jung, Y. Park, Y. Park, I.-K. Yoo, and Suk-Ho Choi, "Atomic-layer deposited IrO2 nanodots for charge-trap flash-memory devices", J. Phys. D 40, 1426 (2007).
75. Sung Kim, Yong Min Park, Suk-Ho Choi, and Kyung Joong Kim, "Time-integrated and time-resolved photoluminescence properties of Si nanocrystal/SiO2 multilayers grown by ion beam sputtering", J. Kor. Phys. Soc. 50, 567 (2007).
74. S.-W. Lee, T.G. Kim, K. Hirakawa, J.S. Kim, S.-H. Choi, and H.Y. Cho, “Lateral photoconductivity and bound states of self-assembled Ge/Si quantum dots”, Nanotechnology 18, 105403 (2007).
73. Min Choul Kim, Yong Min Park, Suk-Ho Choi, and Kyung Joong Kim, "Photoluminescence characterization of Si-nanocrystal formation in Si-rich SiOx depending on thickness, oxygen content, and existence of SiO2 cap layer", J. Kor. Phys. Soc. 50, 1760 (2007).
72. Dong Hoon Choi, Kyu Il Han, In-Hee Chang, Suk-Ho Choi, Xiao-Hang Zhang, Kwang-Hyun Ahn, Yong Kyun Lee, and Jin Jang, "Synthesis of p-type conjugated dendrimers bearing phenothiazine moiety at the periphery and their light-emitting device characterization", Synthetic Metals 157, 332 (2007).
71. Min Choul Kim, Sung Kim, Suk-Ho Choi, and Sangjin Park, “Anomalous light-induced enhancement of photoluminescence from Si nanocrystals fabricated by thermal oxidation of amorphous Si”, Appl. Phys. Lett. 91, 033111 (2007).
70. D. Kang, I. Song, C. J. Kim, Y. S. Park, T. D. Kang, H. S. Lee, J.-W. Park, S. H. Baek, and S.-H. Choi, “The effect of Ga/In ratio on the optical and electrical properties of GaInZnO thin films grown on SiO2/Si substrates”, Appl. Phys. Lett. 91, 091910 (2007).
69. Sung Kim, Min Choul Kim, Suk-Ho Choi, K. J. Kim, H. N. Hwang, and C. C. Hwang, “Size dependence of Si 2p core-level shift at Si nanocrystal/SiO2 interfaces”, Appl. Phys. Lett. 91, 103113 (2007).
68. Do Kyu Lee, Sung Kim, Min Choul Kim, Sung Hwan Eom, Hyoung Taek Oh, and Suk-Ho Choi, "Annealing effect on the electrical and optical characteristics of undoped ZnO thin films grown on Si substrates by RF magnetron sputtering
", J. Kor. Phys. Soc. 51, 1378 (2007).
67. Sung Kim, Hyung-Sun Hwang, Suk-Ho Choi, and Kyung Joong Kim, “Nonvolatile memory properties of thin oxides with single- and multi- layered Si nanocrystals obtained by ion beam sputtering”, J. Kor. Phys. Soc. 48, 108 (2006).
66. C. J. Park, H. Y. Cho, S. Kim, Suk-Ho Choi, R. G. Elliman, J. H. Han, Chungwoo Kim, H. N. Hwang, and C. C. Hwang, "Annealing temperature dependence of capacitance-voltage characteristics in Ge-nanocrystal based nonvolatile memory structures", J. Appl. Phys. 99, 036101 (2006).
65. C. J. Park, K. H. Cho, W.-C. Yang, H. Y. Cho, Suk-Ho Choi, R. G. Elliman, J. H. Han, and Chungwoo Kim, “Large capacitance-voltage hysteresis loops in SiO2 films containing Ge nanocrystals produced by ion implantation and annealing”, Appl. Phys. Lett. 88, 071916 (2006).
64. Min Choul Kim, Kyu Il Han, Sung Kim, Suk-Ho Choi, C.J. Park, H.T. Oh, and H.Y. Cho, "Optical characterization of Ge quantum dos grown by rapid thermal chemical vapour deposition", J. Kor. Phys. Soc. 48, 1342 (2006).
63. Dong Hoon Choi, Min Ju Cho, Kyu Il Han, In-Hee Chang, Jong Seok Song, Jae-Hong Kim, and Suk-Ho Choi, “Luminescence Properties of MEH-PPV and its Crosslinked Polymer : Effect of Crosslink on Photoluminescence and Electroluminescence”, Synthetic Metals 156, 685 (2006).
62. Sangjin Park, Young-Kwan Cha, Daigil Cha, Youngsoo Park, In-Kyeong Yoo, Jung-Hyun Lee, Kwang Soo Seol, and Suk-Ho Choi, "Multi-bit memories using a structure of SiO2/partially-oxidized amorphous Si/HfO2", Appl. Phys. Lett. 89, 033122 (2006).
61. K. S. Seol, S. J. Choi, J.-Y. Choi, E.-J. Jang, B.-K. Kim, S.-J. Park, D.-G. Cha, J.-B. Park, Y. Park, and Suk-Ho Choi, "Pd-nanocrystal-based nonvolatile memory structures with asymmetric SiO2/HfO2 tunnel barrier", Appl. Phys. Lett. 89, 083109 (2006).
60. Sung Kim, Suk-Ho Choi, C. J. Park, H. Y. Cho, and R. G. Elliman, "Structural and optical characterization of Ge nanocrystals showing large nonvolatile memories in metal-oxide-semiconductor structures", J. Kor. Phys. Soc. 49, 959 (2006).
59. Jae Young Bae, Suk-Ho Choi, and Byeong-Soo Bae, “Preparation and Optical Characterization of Mesoporous Silica Films with Different Pore Sizes", Bull. Korean Chem. Soc. 27, 1562 (2006).
58. Sangjin Park, Young-Kwan Cha, Daigil Cha, Sangmin Shin, Jae Woong. Hyun, Jung Hoon Lee, Youngsoo Park, In-Kyeong Yoo and Suk-Ho Choi, "A new operating scheme by switching the polarity of program/erase bias for partially-oxidized amorphous-Si based charge trap memory", IEEE Trans. Electron Devices 53, 2847 (2006).
57. Y.-K. Cha, S. Park, Y. Park, I.-K. Yoo, D. Cha, J. H. Shin, Suk-Ho Choi, “Effect of hydrogenation on the memory properties of Si nanocrystals obtained by inductively-coupled plasma chemical vapour deposition”, Appl. Phys. Lett. 89, 202112 (2006).
56. Daigil Cha, Jung H. Shin, Sangjin Park, Eun-ha Lee, Yoondong Park, Youngsoo Park, In-Kyeong Yoo, Kwang Soo Seol, and Suk-Ho Choi, "High trap density and long retention time from self-assembled amorphous Si nanocluster floating gate non-volatile memory", Appl. Phys. Lett. 89, 243513 (2006).
55. S. Jung, I. O. Parm, K. S. Jang, D.-H. Park, B.-H. Sohn, J. C. Jung, W. C. Zin, Suk-Ho Choi, S. K. Dhungel, and J. Yi, J. Nanosci. Nanotechnol. 6, 3652 (2006).
54. Kang-Joo Lee, Tae-Dong Kang, Hosun Lee, Seung Hui Hong, Suk-Ho Choi, Tae-Yeon Seong, Kyung Jung Kim, and Dae Won Moon, Optical properties of SiO2/nanocrystalline Si multilayers studied using spectroscopic ellipsometry, Thin Solid Films, 476, 196 (2005).
53. Kyung Joong Kim, Dae Won Moon, Seung-Hui Hong, Suk-Ho Choi, Moon-Seung Yang, Ji-Hong Jhe, and Jung H. Shin, "In-situ Characterization of Stoichiometry for the Buried SiOx Layers in SiOx/SiO2 Superlattices by XPS and the Effect on the PL Property", Thin Solid Films, 478, 21 (2005).
52. C.-M. Lee, S.-H. Choi, S.-K. Noh, J. I. Lee, J.-S. Kim, and I.-K. Han, "Threemodal size distribution of self-assembled InAs quantum dots", Jpn. J. Appl. Phys. 44, 2037 (2005).
51. Bin Nal Yoon, In-Hee Chang, Suk-Ho Choi, Dong Hoon Choi, Min Ju Cho, and Jae Hong Kim, "Unusual behaviours of photoluminescence by long-term illumination in alkoxy substituted phenylene vinylene polymer", Synthetic Metals, 150, 213 (2005).
50. M. Kang, Y.-R. Ko, M.-K. Jeon, S.-C. Lee, S.-J. Choung, J.-Y. Park, S. Kim, and S.-H. Choi, "Characterization of Bi/TiO2 nanometer sized particle synthesized by solvothermal method and CH3CHO decomposition in a plasma-photocatalytic system", J. Photochem. Photobiol. A: Chem. 173, 128 (2005).
49. Xiao-Hang Zhang, Suk-Ho Choi, Dong Hoon Choi, and Kwang-Hyun Ahn, Synthesis and photophysical properties of phenothiazine-labeled conjugated dendrimers, Tetrahedron Letters, 46, 5273 (2005).
48. T. D. Kang, K. J. Lee, S. H. Choi, Hosun Lee, J. H. Kim, and D. H. Choi, “Optical properties of poly 2-methoxy-5-hexyloxy phenylenevinylene and the copolymers with N-hexylphenothiazine and alkyloxy divinylbenzene”, J. Appl. Phys. 95, 2303 (2004).
47. C. J. Park, Y. H. Kwon, T. W. Kang, H. Y. Cho, S. Kim, S.-H. Choi, and R. G. Elliman, "Origin of luminescence from Si--implanted (1102) Al2O3", Appl. Phys. Lett. 84, 2667 (2004).
46. Suk-Ho Choi, Bin Nal Yoon, Hosun Lee, Dong Hoon Choi, Kwang Yong Oh, Jae Hong Kim, Jeongryul Kim, and Hakwon Kim, "Photoluminescence properties of the alternating copolymers with alkoxy substituted phenylene vinylene and N-hexyl phenothiazine", J. Kor. Phys. Soc. 44, 934 (2004).
45. S. H. Hong, S. Kim, S.-H. Choi, K. J. Kim, D. W. Moon, T. D. Kang, and H. Lee, "Optical Characterization of Si Nanocrystals in Si-rich SiOX and SiOX/SiO2 Multilayers Grown by Ion Beam Sputtering", J. Kor. Phys. Soc. 45, 116 (2004).
44. C.-M. Lee, S.-H. Choi, C.-S. Kim, S.-K. Noh, J. I. Lee, K. Y. Lim, and I. K. Han, "Photoluminescence Investigation of In0.15Ga0.85N/GaN Multiple Quantum Wells", J. Kor. Phys. Soc. 45, L243 (2004).
43. Dong Hoon Choi, Woong Gi. Jun, Kwang Yong Oh, Jae Hong Kim, and Suk-Ho Choi, "Diffraction behavior of photorefractive molecular materials containing multifunctional phenothiazine dimer", J. Kor. Phys. Soc. 45, 497 (2004).
42. Chang-Myung Lee, Suk-Ho Choi, Joo In Lee, and N. Koguchi, "Si-doping and annealing effects on In0.5Ga0.5As/GaAs quantum dots grown by heterogeneous droplet epitaxy", Physica E 24, 211 (2004).
41. In-Hee Chang, Sung Kim, Jong Seok Song, Suk-Ho Choi, Min Ju Cho, Dong Hoon Choi, Jae-Hong Kim, "Photoinduced Increasing or Decreasing Behaviours of Photoluminescence in Phenylene Vinylene Polymer Derivatives", J. Kor. Phys. Soc. 45, S505 (2004).
40. S. Kim, C. J. Park, H. Y. Cho, S.-H. Choi, and R. G. Elliman, "Luminescence study of Si-- and Ge-- implanted (1102) sapphires", J. Kor. Phys. Soc. 45, S501 (2004).
39. C.-M. Lee, S.-H. Choi, J. C. Seo, J. I. Lee, J. Y. Leem, and I. K. Han, "Abnormal Photoluminescence Behavior of Self-Assembled InAs Quantum Dots with Bimodal Size Distribution", J. Kor. Phys. Soc. 45, 1615 (2004).
38. S.-H. Choi, H. Y. Kim, Y.-K. Hong, J.-Y. Koo, J. Seok, and J. Kim, "Photoluminescence study of micro-patterned Si/Ge/Si single quantum wells", J. Kor. Phys. Soc. 42, S120 (2003).
37. Nae-Man Park, Sang Hyeob Kim, Gun Yong Sung, Suk-Ho Choi, and Seong-Ju Park, "Charging effects in amorphous silicon quantum dots embedded in silicon nitride", J. Kor. Phys. Soc. 42, S361 (2003).
36. Dong Hoon Choi, Dejun Feng, Hanna Yoon, and Suk-Ho Choi, "Diffraction gratings of photopolymers composed of polyvinylalcohol and polyvinylacetate binder", Macromolecular research 11, 36 (2003).
35. Seung Yol Jeong, Jae Yon Kim, Hyun Duk Yang, Bin Nal Yoon, Suk-Ho Choi, Sung Jin Eum, Cheol Woong Yang, and Young Hee Lee, “Synthesis of Silicon Nanotubes on Porous Alumina Using Molecular Beam Epitaxy”, Advanced Materials 15, 1172 (2003).
34. Nae-Man Park, Sang-Hun Jeon, Hyun-Deok Yang, Hyunsang Hwang, Seong-Ju Park, and Suk-Ho Choi, "Size-dependent charge storage in amorphous silicon quantum dots embedded in silicon nitride", Appl. Phys. Lett. 83, 1014 (2003).
33. Jun-Sung Bae, Suk-Ho Choi, Kyung Joong Kim, and Dae Won Moon, "Visible photoluminescence from Si nanocrystals in Si/SiO2 multilayers grown by ion beam sputtering", J. Kor. Phys. Soc. 43, 557 (2003).
32. Dejun Feng, Hanna Yoon, Dong Hoon Choi, and Suk-Ho Choi, Holographic gratings recorded on a new photopolymer composed of photosensitive polymer binder, Molecular Crystals and Liquid Crystals 406, 101 (2003).
31. S.-H. Choi, B.-Y. Seo, H. Lee, B. I. Hong, H. J. Lee, and J. H. Lee, "Formation characteristics of Si nanocrystals in fused silica", J. Kor. Phys. Soc. 40, 148 (2002).
30. S.-H. Choi, J. N. Kim, H. Y. Kim, Y.-K. Hong, J.-Y. Koo, J. Seok, and J. Kim, "Enhancement of photoluminescence by microdisk formation from Si/Ge/Si single quantum well", Appl. Phys. Lett. 80, 2520 (2002).
29. S.-H. Choi, S.-C. Han, and Suntae Hwang, "Defect-related photoluminescence and Raman studies on the growth of Ge nanocrystals during annealing of Ge+-implanted SiO2 films", Thin Solid Films 413, 177 (2002).
28. Nae-Man Park, Suk-Ho Choi, and Seong-Ju Park, "Electron charging and discharging in amorphous silicon quantum dots embedded in silicon nitride", Appl. Phys. Lett. 81, 1092 (2002).
27. D. H. Choi, K. Y. Oh, W. G. Jun, J. H. Kim, and S.-H. Choi, "Diffraction behavior of photorefractive molecular materials containing phenothiazine derivatives, Appl. Phys. Lett. 81, 4727 (2002).
26. S.-H. Choi, "Photo-induced charge transport in SiO2 films containing Si nanocrystals", Superlattices and Microstructures 29, 239 (2001).
25. S.-H. Choi, J. N. Kim, and H. Y. Cho, "Hydrogenation Effects on the Structural and Optical Properties of Si+-Implanted Fused Silica", Current Applied Physics 1, 375-378 (2001).
24. H. C. Lee, S. I. Lee, H. Lee, S.-H. Choi, J.-I. Ryu and J. Jang, "Dielectric Function of Nano-Crystalline Silicon:Effect of Hydrogen ", J. Kor. Phys. Soc. 39, S30 (2001).
23. S. Y. Sumarokov, J. H. Whang, S. J. Jung, J. M. Lee, and S.-H. Choi, "Photoluminescence of lithium metaphosphate glasses doped with lanthanides ", Functional Materials 8, 1 (2001).
22. S.-H. Choi, R. G. Elliman, S. Cheylan, and J.P.D. Martin, "Intrinsic defect-related blue-violet and UV photoluminescence from Si+-implanted fused silica", Appl. Phys. Lett. 76, 2062 (2000).
21. S.-H. Choi, "Bias- and photo- induced charging effects in SiO2 films containing Si nanocrystals", J. Kor. Phys. Soc. 37, 461 (2000).
20. H. Lee, S. M. Kim, B. Y. Seo, E. Z. Seong, S-.H. Choi, S. Lee, and J. K. Furdyna, "Optical study of ZnSeTe alloys using spectroscopic ellipsometry", Appl. Phys. Lett. 77, 2997 (2000).