NANO LETTERS, vol. 13, no. 9, page. 4333 - 4339, 2013-09
NANO LETTERS, vol. 11, no. 3, page. 1161 - 1165, 2011-03
NANO LETTERS, vol. 10, no. 11, page. 4316 - 4320, 2010-11
NANO LETTERS, vol. 15, no. 1, page. 549 - 552, 2015-01