JOURNAL OF APPLIED PHYSICS, vol. 96, no. 8, page. 4122 - 4125, 2004-10-15
JOURNAL OF APPLIED PHYSICS, vol. 96, no. 10, page. 5496 - 5499, 2004-11-15
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 45, no. 1, page. 202 - 205, 2004-07
NATURE, vol. 494, no. 7435, page. 72 - 76, 2013-02-07
MICROELECTRONIC ENGINEERING, vol. 78-79, page. 229 - 232, 2005-03
JOURNAL OF CRYSTAL GROWTH, vol. 285, no. 1-2, page. 137 - 145, 2005-11-15