Tuning the giant inverse magnetocaloric effect in Mn2-xCrxSb compounds

L. Caron; X. F. Miao; J. C. P Klaasse; S. Gama; E. Brück

doi:10.1063/1.4821197

Tuning the giant inverse magnetocaloric effect in Mn2-xCrxSb compounds

Materials Science 2014-10-01 v1

Authors: L. Caron , X. F. Miao , J. C. P Klaasse , S. Gama , E. Brück

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Abstract

Structural, magnetic and magnetocaloric properties of Mn2-xCrxSb compounds have been studied. In these compounds a first order magnetic phase transition from the ferrimagnetic to the antiferromagnetic state occurs with decreasing temperature, giving rise to giant inverse magnetocaloric effects that can be tuned over a wide temperature interval through changes in substitution concentration. Entropy changes as high as 7.5 J/kgK have been observed, and a composition independent entropy change is obtained for several different concentrations/working temperatures, making these compounds suitable candidates for a composite working material.

Keywords

inverse magnetocaloric effect Mn2-xCrxSb compounds first order magnetic phase transition ferrimagnetic antiferromagnetic entropy change composite working material

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@article{arxiv.1307.3194,
  title  = {Tuning the giant inverse magnetocaloric effect in Mn2-xCrxSb compounds},
  author = {L. Caron and X. F. Miao and J. C. P Klaasse and S. Gama and E. Brück},
  journal= {arXiv preprint arXiv:1307.3194},
  year   = {2014}
}

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4 pages, 5 figures

Tuning the giant inverse magnetocaloric effect in Mn2-xCrxSb compounds

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