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  Influence of the crystal structure and chemical order on the magnetic and magneto-optical properties of equiatomic CoPt alloy

Uba, L., Uba, S., Horpynyuk, O., Antonov, V. N., & Yaresko, A. N. (2002). Influence of the crystal structure and chemical order on the magnetic and magneto-optical properties of equiatomic CoPt alloy. Journal of Applied Physics, 91(2), 775-779. doi:10.1063/1.1425430.

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 Creators:
Uba, L., Author
Uba, S., Author
Horpynyuk, O., Author
Antonov, V. N.1, Author           
Yaresko, A. N.1, Author           
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              

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 Abstract: The influence of the structure-dependent electronic effects on the magnetic, magneto-optical (MO), and anisotropic properties of equiatomic CoPt alloy was modeled with the use of fully relativistic linear-muffin-tin-orbital calculations. We found large differences between the MO spectra of the alloy of the AuCu (L1(1)) and CuPt (L1(0)) superlattice type structures, as well as a strong sensitivity of the spectra on the degree of chemical order. Very good agreement between the experimental and theoretical spectra for both a partially ordered and a fully disordered alloy, modeled by a Monte Carlo simulation, is found, demonstrating the applicability of the theoretical approach. (C) 2002 American Institute of Physics.

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Language(s): eng - English
 Dates: 2002-01-15
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 18602
ISI: 000172978200035
DOI: 10.1063/1.1425430
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Title: Journal of Applied Physics
  Alternative Title : J. Appl. Phys.
Source Genre: Journal
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Pages: - Volume / Issue: 91 (2) Sequence Number: - Start / End Page: 775 - 779 Identifier: ISSN: 0021-8979