Applied Physical Lett, vol. 103, no. 10, page. 102901 - 102901, 2013-09-02
ACS Nano, vol. 7, no. 6, page. 5522 - 5529, 2013-06
Materials Chemistry and Physics, vol. 133, no. 2-3, page. 929 - 936, 2013-03-15