| Issue |
Europhys. Lett.
Volume 74, Number 1, April 2006
|
|
|---|---|---|
| Page(s) | 117 - 123 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2005-10498-x | |
| Published online | 22 February 2006 | |
High-field magnetic susceptibility of 
alloys
Department Chemie und Biochemie/Physikalische Chemie, Universität München Butenandtstr. 5-13, D-81377 München, Germany
Received:
2
December
2005
Accepted:
3
February
2006
A fully relativistic theoretical description of the magnetic high-field
susceptibility of disordered alloys is presented. This approach not only
accounts for the Pauli spin and Van Vleck orbital susceptibilities
considered so far in this context, but also for the spin-orbit–induced
contributions as well as the Landau susceptibility. Applications to
alloys led to a very good agreement with experiment for the
Fe-rich side of the system. This also applies for the middle
concentration regime if partial ordering of the samples is accounted
for in the calculations. In contrast to prior investigations on the
ferromagnets Fe, Co, and Ni, that considered only the Pauli spin
susceptibility, it could be shown that the orbital Van Vleck and Landau
contributions to the susceptibility dominate.
PACS: 71.15.-m – Methods of electronic structure calculations / 75.30.Cr – Saturation moments and magnetic susceptibilities / 75.20.En – Metals and alloys
© EDP Sciences, 2006
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