APPLIED PHYSICS LETTERS, vol. 85, no. 21, page. 5052 - 5054, 2004-11-22
JOURNAL OF PHYSICAL CHEMISTRY B, vol. 108, no. 40, page. 15457 - 15460, 2004-10-07
APPLIED PHYSICS LETTERS, vol. 85, no. 5, page. 727 - 729, 2004-08-02
APPLIED PHYSICS LETTERS, vol. 84, no. 18, page. 3612 - 3614, 2004-05-03