19. H. Lee and S.-H. Choi, "Luminescence from Dislocations in Silicon-Germanium Layer Grown on Silicon Substrate", J. Appl. Phys. 85, 1771 (1999).
18. H. Lee, S.-H. Choi, E.Seong, and S. M. Kim, "Photoluminescence Study of 1018 meV Defect Lines from Ion-implanted Silicon", J. Kor. Phys. Soc. 34, S295 (1999).
17. S.-H. Choi and R. G. Elliman, "Negative photoconductivity in SiO2 films containing Si nanocrystals", Appl. Phys. Lett. 74, 3987 (1999).
16. S.-H. Choi and R. G. Elliman, "Reversible charging effects in SiO2 films containing Si nanocrystals ", Appl. Phys. Lett. 75, 968 (1999).
15. S.-H. Choi and J. Jang, "Long-Period Oscillation of Photoluminescence during strong illumination in nanocrystalline silicon films", J. Kor. Phys. Soc. 32, 718 (1998).
14. H. Lee and S.-H. Choi, "Temperature Dependence of Dislocation-Related Luminescence in Silicon-Germanium Heterostructure", J. Kor. Phys. Soc. 33, S298 (1998).
13. S.-H. Choi, S. H. Won, and J. Jang, "Excitation Energy Dependence of Photoluminescence in Nanocrystalline Silicon Deposited by Remote Plasma Vapor Deposition", Thin Solid Films 335, 266 (1998).
12. S.-H. Choi, G.L. Park, C. Lee, and J. Jang, "Persistent photoconductivity in hydrogenated amorphous silicon", Solid State Comm. 59, 177 (1986).
11. S.-H. Choi, C. Lee, and J. Jang, "Effect of argon dilution of silane on persistent photoconductivity in single-layered hydrogenated amorphous silicon", J. Appl. Phys. 61, 446 (1987).
10. S.-H Choi, B.S. Yoo, C. Lee, and J. Jang, "Photo and bias effects in coplanar conductance of doping- modulated amorphous silicon superlattices", J. Non-Cryst. Solids 97&98, 911 (1987).
9. S.-H. Choi, B.S. Yoo, C. Lee, and J. Jang, "Doping and annealing effects on persistent photoconductivity in doping-modulated amorphous silicon superlattices", Phys. Rev. B36, 6479 (1987).
8. B.S. Yoo, S.-H, Choi, C. Lee, and J. Jang, "Light-induced metastable state in doping-modulated amorphous silicon superlattices", Superlattices and Microstructures, 4, 133 (1988).
7. S.-H. Choi, S. Dittman, and C.R. Tilford, "Stabilization techniques for spinning rotor gage residual drag", J. Vac. Sci. Technol. A8, 4079 (1990).
6. S.-H. Choi and D. Son, "Ball material dependence of spinning rotor gage residual drag", Vacuum 42, 897 (1991).
5. S.-H. Choi, "Power-law dependence of persistent photoconductivity on exposure time in compensated a-Si:H", Solid State Comm. 86, 589 (1993).
4. S.-H. Choi, H. Chung, and G.S. Shin, "Conditions of luminescence degradation or enhancement in porous silicon", Solid State Comm. 95, 341 (1995).
3. S.-H. Choi and G.W. Lee, "Surface effects on the electrical conductance of porous silicon", Superlattices and Microstructures 28, 207 (1996).
2. H. Lee and S.-H. Choi, "Observation of Defect-Free Band-Edge Photoluminescence from Pseudomorphic Silicon-Germanium-Carbon Alloys Grown on Silicon Substrates", J. Kor. Phys. Soc. 29, 792 (1996).
1. H. Lee, S.-H. Choi, and T.-Y. Seong, "Origin of Dislocation-Related Photoluminescence Bands in Very Thin Silicon-Germanium Layers Grown on Silicon Substrates", Appl. Phys. Lett. 71, 3823 (1997).