Thin Solid Films, vol. 441, no. 1-2, page. 317 - 320, 2003-09-22
Nanoscale Research Letters, vol. 10, 2015-12-15
SCIENTIFIC REPORTS, vol. 3, 2013-09-13
Applied Physics Letters, vol. 87, no. 12, 2005-09-19
Surface Science, vol. 595, no. 1-3, page. 30 - 34, 2005-12-05
APPLIED PHYSICS LETTERS, vol. 108, no. 5, page. 51609, 2016-02-01
Physical Review B, vol. 67, no. 23, 2003-06-15