MATERIALS, vol. 7, no. 3, page. 2044 - 2061, 2014-03
NANO LETTERS, vol. 10, no. 11, page. 4316 - 4320, 2010-11
APPLIED PHYSICS LETTERS, vol. 102, no. 5, page. 053504(1) - 053504(4), 2013-02