PHYSICA B-CONDENSED MATTER, vol. 388, no. 39815, page. 190 - 194, 2007-01-15
PHYSICAL REVIEW LETTERS, vol. 89, no. 8, 2002-08-19
MATERIALS SCIENCE FORUM, vol. 439, page. 1 - 6, 2003-01
APPLIED PHYSICS LETTERS, vol. 82, no. 10, page. 1577 - 1579, 2003-03
APPLIED PHYSICS LETTERS, vol. 90, no. 16, 2007-04-16