Volume 38, Number 9, June III 1997
|Page(s)||693 - 698|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
“Switching” and re-entrant behaviour of magnetisation in ultrathin films of fcc Co upon deposition of Cu
Ames Laboratory, Iowa State University -
Ames, Iowa 50011, USA
2 Hewlett-Packard Laboratories, 3500 Deer Creek Road, Bldg. 26U, Palo Alto, California 94304-1392, USA
Accepted: 15 May 1997
We analyse the easy magnetisation axis “switching” recently discovered in experiments on Co ultrathin films with a deposited submonolayer of Cu by ab initio methods. The present large-scale calculations show that the nanomagnetic pattern of a stepped Co(001) surface 2-3 monolayers thick with submonolayer quantities of Cu has a complex three-dimensional character. We show that the maximum non-collinearity of spin-directions is about , and the "switching” has a re-entrant character as a function of Cu coverage.
PACS: 75.70.Ak – Magnetic properties of monolayers and thin films / 75.70.-i – Magnetic films and multilayers / 75.30.Gw – Magnetic anisotropy
© EDP Sciences, 1997
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