Volume 82, Number 3, May 2008
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||15 April 2008|
Orbital magnetism in transition metal systems: The role of local correlation effects
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: email@example.com
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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