Journal of Magnetism and Magnetic Materials, vol. 439, page. 343 - 348, 2017-10
THIN SOLID FILMS, vol. 516, no. 6, page. 1147 - 1154, 2008-01-30
JOURNAL OF APPLIED PHYSICS, vol. 99, no. 5, 2006-03-01
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, vol. 12, no. 5, page. 2672 - 2679, 1994-09
JOURNAL OF APPLIED PHYSICS, vol. 72, no. 10, page. 4986 - 4989, 1992-11-15