PHYSICAL REVIEW B, vol. 88, no. 12, page. 125109 - 125109, 2013-09-05
PHYSICAL REVIEW LETTERS, vol. 93, no. 7, 2004-08-13
SCIENTIFIC REPORTS, vol. 6, page. 21460, 2016-02-18
PHYSICAL REVIEW B, vol. 74, no. 16, 2006-10
PHYSICAL REVIEW B, vol. 92, no. 4, 2015-07-27
PHYSICAL REVIEW LETTERS, vol. 90, no. 18, 2003-05-09
Nature Communications, vol. 7, 2016-04