Lee, Seok 2024-01-12T11:08:45Z 2024-01-12T11:08:45Z 2022-01-14 1998-10-15 https://pubs.kist.re.kr/handle/201004/85369 the 9th Seoul International Symposium on the physics semiconductors and applications Conference 1 , pp.152 - 0 152 0 ISPSA-98, Korea