Issue |
EPL
Volume 82, Number 3, May 2008
|
|
---|---|---|
Article Number | 37001 | |
Number of page(s) | 6 | |
Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
DOI | https://doi.org/10.1209/0295-5075/82/37001 | |
Published online | 15 April 2008 |
Orbital magnetism in transition metal systems: The role of local correlation effects
1
Department Chemie und Biochemie, Physikalische Chemie, Universität München Butenandtstr. 5-13, D-81377 München, Germany, EU
2
Institute for Molecules and Materials, Radboud University Nijmegen NL-6525 ED Nijmegen, The Netherlands, EU
3
Institute of Theoretical Physics, University of Hamburg - Germany, EU
Corresponding author: jan.minar@cup.uni-muenchen.de
Received:
19
December
2007
Accepted:
7
March
2008
The influence of correlation effects on the orbital moments for transition
metals and their alloys is studied by first-principle relativistic density functional theory in combination with the dynamical mean-field
theory. In contrast to the previous studies based on the orbital polarization corrections we obtain an improved description of the
orbital moments for a wide range of studied systems as bulk Fe, Co and Ni,
Fe-Co disordered alloys and impurities in Au. The proposed
scheme can give simultaneously a correct dynamical description of the spectral function as well as static magnetic properties of correlated disordered metals.
PACS: 71.15.Rf – Relativistic effects / 71.20.Be – Transition metals and alloys
© EPLA, 2008
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