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Proceedings Paper

Applications of GGF method in analysis of ferromagnets
Author(s): Bratislav S. Tosic; Ljiljana D. Maskovic; Radojica Maksimovic; Stevan Pilipovic
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Paper Abstract

We apply the GGF (Generalized Green Function) method on a ferromagnet with magnetic impurities. In order to minimize the numerical calculations, we use Ising ferromagnet model. We are interested in temperatures around the phase transition in a ferromagnet, were Ising model gives real results which are often used in the literature. Investigations of a domain around the phase transition of a ferromagnet with impurities with the GGF method show that the phase transition is made on lower temperatures than in the case of ideal ferromagnet. In the point of phase transition, the derivative with respect to temperature of the ordering parameter is infinite as in ideal ferromagnet, bat this parameter does not vanish, it has a turning point.

Paper Details

Date Published: 29 November 2000
PDF: 4 pages
Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); doi: 10.1117/12.408341
Show Author Affiliations
Bratislav S. Tosic, Univ. of Novi Sad (FR Yugoslavia)
Ljiljana D. Maskovic, Univ. of Novi Sad (FR Yugoslavia)
Radojica Maksimovic, Beograd Police Academy (FR Yugoslavia)
Stevan Pilipovic, Univ. of Novi Sad (FR Yugoslavia)

Published in SPIE Proceedings Vol. 4086:
Fourth International Conference on Thin Film Physics and Applications
Junhao Chu; Pulin Liu; Yong Chang, Editor(s)

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