ELECTRONICS LETTERS, vol. 35, no. 19, page. 1676 - 1678, 1999-09-16
APPLIED PHYSICS LETTERS, vol. 74, no. 16, page. 2289 - 2291, 1999-04-19
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, vol. 17, no. 2, page. 497 - 499, 1999-03
SOLID-STATE ELECTRONICS, vol. 43, no. 2, page. 435 - 438, 1999-02
APPLIED PHYSICS LETTERS, vol. 73, no. 20, page. 2953 - 2955, 1998-11-16