Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 324, Issue 13, Pages 2131-2135Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2012.02.027
Keywords
Dilute ferromagnet; Thin film; Phase diagram; Ferromagnetic resonance; Curie temperature
Funding
- FP7-FET-STELE project
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Magneto-structural properties of films of diluted ferromagnetic alloys NixCu1-x in the concentration range 0.7 < x < 1.0 are studied experimentally. Films deposited by magnetron sputtering show partial phase separation, as evidenced by structural analysis and ferromagnetic resonance measurements. The phase diagram of the NixCu1-x bulk system is obtained using numerical theoretical analysis of the electronic structure, taking into account the interatomic exchange interactions. The results confirm the experimentally found partial phase separation, explain it as magnetic in origin, and indicate an additional metastable region connected with the ferromagnetic transition in the system. (C) 2012 Elsevier B.V. All rights reserved.
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