PHYSICAL REVIEW B, vol. 84, no. 15, page. 155422, 2011-10-13
SURFACE SCIENCE, vol. 605, no. 5, page. 551 - 554, 2011-03
PHYSICAL REVIEW B, vol. 82, no. 8, 2010-08-06
PHYSICAL REVIEW LETTERS, vol. 104, no. 24, 2010-06-16
PHYSICAL REVIEW B, vol. 81, no. 11, 2010-03
PHYSICAL REVIEW B, vol. 80, no. 23, page. 235312 - 235312, 2009-12
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 53, no. 2, page. 986 - 989, 2008-08
SURFACE SCIENCE, vol. 602, no. 10, page. 1916 - 1920, 2008-05-15
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 51, no. 1, page. 130 - 134, 2007-07
SURFACE SCIENCE, vol. 601, no. 3, page. 852 - 857, 2007-02-01
PHYSICAL REVIEW B, vol. 72, no. 20, page. 205419 - 205419, 2005-11