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Analysis of magnetocaloric effect in ferromagnetic shape memory alloy crystals
Russian version
DOI: 10.21883/PSS.2022.05.53518.258
Malygin G. A.1
1Ioffe Institute, St. Petersburg, Russia
Email: malygin.ga@mail.ioffe.ru
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In the framework of the theory of diffuse martensitic transitions to be based on thermodynamic and kinetic relationships the mechanism of the magnetocaloric (MC) effect in shape memory ferromagnetic alloy crystals is theoretically analysed. The theory adequately describes magnetostructural transformations and MC effect in these crystals at adiabatically applying to them and eliminating from magnetic field. The analysis also includes magneto-anisotropic crystals how to be according to literature data crystals Ni49.5Mn25.4Ga25 alloy. Keywords: magnetocaloric effect, magnetostructural martensite transitions, magneto-anisotropic crystals, isothermal entropy change.
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