Paper Title:
Monte Carlo Study of Magnetostructural Phase Transitions in Ni50Mn25+xSb25-x Heusler Alloys
  Abstract

On the basis of Monte Carlo simulations, we investigate the temperature dependence of magnetization of Ni-Mn-Sb Heusler alloys, in which the part of the Mn atoms interact antiferromagnetically. It is shown that this antiferromagnetic exchange is responsible for existence of several magnetic phase transitions in the Heusler alloys. For a certain set of parameters of the model Hamiltonian we obtain coupled martensitic and magnetic phase transitions. Results of simulations agree in an excellent way with the experimental magnetization curves.

  Info
Periodical
Solid State Phenomena (Volume 154)
Edited by
Marcin Leonowicz and Dariusz Oleszak
Pages
139-144
DOI
10.4028/www.scientific.net/SSP.154.139
Citation
V.V. Sokolovskiy, V. D. Buchelnikov, S. V. Taskaev, "Monte Carlo Study of Magnetostructural Phase Transitions in Ni50Mn25+xSb25-x Heusler Alloys", Solid State Phenomena, Vol. 154, pp. 139-144, 2009
Online since
April 2009
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