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Theoretical description of magnetocaloric effect in Ni-Mn-Ga alloys.

Author(s) : BUCHELNIKOV V. D., TASKAEV S. V., TAKAGI T., et al.

Summary

In this work a statistical and molecular field model for the theoretical description of Ni-Mn-Ga Heusler alloy properties is suggested. With the help of this model, the authors can calculate the temperature and field dependencies of magnetization, strain, entropy change, temperature-magnetic field diagram and thermodynamic cycles. The paper presents the results of the numerical simulation of the entropy change in some Ni-Mn-Ga alloys. The results of modelling are compared with the experimental ones.

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Pages: 2005-4

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Details

  • Original title: Theoretical description of magnetocaloric effect in Ni-Mn-Ga alloys.
  • Record ID : 2006-1265
  • Languages: English
  • Source: 1st International Conference on Magnetic Refrigeration at Room Temperature
  • Publication date: 2005/09/27

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