APPLIED PHYSICS LETTERS, vol. 83, no. 20, page. 4157 - 4159, 2003-11-17
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, vol. 74, no. 4, page. 509 - 512, 2002-04
JOURNAL OF MATERIALS RESEARCH, vol. 16, no. 5, page. 1358 - 1362, 2001-05
APPLIED PHYSICS LETTERS, vol. 78, no. 5, page. 658 - 660, 2001-01-29