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Magnetic properties of fcc Ni-based transition metal alloys

  • Josef Kudrnovský and Václav Drchal
Published/Copyright: June 11, 2013

Abstract

Finite-temperature magnetism of Ni-based transition metal alloys with the face-centered cubic structure is studied theoretically in the framework of the first-principles approach. Calculated total and local magnetic moments agree well with experiment. The mean-field approximation, the random-phase approximation (RPA), as well as the renormalized RPA extended to random alloys are used to estimate the Curie temperature. The most satisfactory agreement with the experiment for a broad class of Ni-based alloys Ni (M = Cu, Fe, and Mn) over the whole concentration range isobtained by using the renormalized RPA approach.


* Correspondence address, Dr. Josef Kudrnovský Institute of Physics Academy of Sciences of the Czech Republic Na Slovance 2, 182 21 Praha 8, CZ Tel.: +420 266 052 905 Fax: +420 286 890 527 E-mail:

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Received: 2008-8-26
Accepted: 2009-3-13
Published Online: 2013-06-11
Published in Print: 2009-09-01

© 2009, Carl Hanser Verlag, München

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