JOURNAL OF CRYSTAL GROWTH, vol. 299, no. 1, page. 59 - 62, 2007-02-01
APPLIED PHYSICS LETTERS, vol. 90, no. 5, 2007-01-29
JOURNAL OF ELECTRONIC MATERIALS, vol. 36, no. 4, page. 533 - 537, 2007-04
JOURNAL OF APPLIED PHYSICS, vol. 101, no. 11, 2007-06-01
APPLIED PHYSICS LETTERS, vol. 89, no. 4, 2006-07-24
APPLIED PHYSICS LETTERS, vol. 89, no. 10, 2006-09-04