PHYSICA STATUS SOLIDI C, no. 1, page. 74 - 77, 2002-12
International Symposium on photonics and Applications, page. 113 - 124, 2001-11-26
2001 Materials Research Society (MRS) Spring meeting, page. 109, 2001-04-16
Proceeding of 2000 China-Korea Joint Symposium on Semiconductor Physics and Device, page. 25 - 25, 2000-11-30