JOURNAL OF PHYSICS-CONDENSED MATTER, vol. 21, no. 20, page. 202101, 2009-05-20
Physical Review Letters, vol. 112, no. 3, 2014-01-23
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, vol. 30, no. 2, 2012-02
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, vol. 27, no. 3, page. 485 - 491, 2009-05
ACTA MATERIALIA, vol. 71, page. 164 - 175, 2014-06