NANO LETTERS, vol. 17, no. 9, page. 5614 - 5619, 2017-09
NANO LETTERS, vol. 6, no. 9, page. 2014 - 2020, 2006-09-13
NANO LETTERS, vol. 5, no. 7, page. 1385 - 1387, 2005-07
NANO LETTERS, vol. 8, no. 2, page. 431 - 436, 2008-02