APPLIED PHYSICS LETTERS, vol. 76, no. 25, page. 3694 - 3696, 2000-06-19
JOURNAL OF ELECTRONIC MATERIALS, vol. 31, no. 3, page. 209 - 213, 2002-03
APPLIED PHYSICS LETTERS, vol. 85, no. 13, page. 2663 - 2664, 2004-09-27
JOURNAL OF APPLIED PHYSICS, vol. 87, no. 10, page. 7349 - 7353, 2000-05-15
ELECTRONICS LETTERS, vol. 40, no. 24, page. 1556 - 1558, 2004-11-25