APPLIED PHYSICS LETTERS, vol. 91, no. 3, 2007-07-16
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 131, no. 24, page. 8386 - 8387, 2009-06-24
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 133, no. 15, page. 5623 - 5625, 2011-04-20
APPLIED PHYSICS LETTERS, vol. 88, no. 4, 2006-01-23