NANO LETTERS, vol. 10, no. 6, page. 2043 - 2048, 2010-06
NANOTECHNOLOGY, vol. 21, no. 14, 2010-04-09
THIN SOLID FILMS, vol. 518, no. 10, page. 2665 - 2668, 2010-03-01
APPLIED PHYSICS LETTERS, vol. 96, no. 5, page. 53110-1 - 53110-3, 2010-02-01