ADVANCED MATERIALS, vol. 21, no. 2, page. 222 - +, 2009-01-12
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, vol. 23, no. 5, page. 1970 - 1974, 2005-09
JOURNAL OF PHYSICAL CHEMISTRY B, vol. 109, no. 12, page. 5491 - 5496, 2005-03-31