Applied Physics Letters, vol. 123, no. 2, 2023-07
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 77, no. 3, page. 258 - 263, 2020-08
Surface Science, vol. 595, no. 1-3, page. 30 - 34, 2005-12-05
Physical Review B, vol. 67, no. 23, 2003-06-15