NANOTECHNOLOGY, vol. 25, no. 6, 2014-02-14
MATERIALS CHEMISTRY AND PHYSICS, vol. 112, no. 1, page. 88 - 93, 2008-11-15
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, vol. 26, no. 6, page. 1933 - 1936, 2008-11
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, vol. 23, no. 4, page. 613 - 616, 2005-07