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Peculiarities of the magnetocaloric effect in the vicinity of the ferromagnetic-antiferromagnetic transition in an iron-rhodium alloy.

Number: pap. 163

Author(s) : GIMAEV R. R., ZVEREV V. I., SALETSKY A. M., et al.

Summary

We have investigated the large magnetocaloric effect (MCE) in a Fe50.4Rh49.6 alloy subjected to a slowly cycled magnetic field of up to 1.8 T in magnitude over a range of temperatures, 250 K < T < 350 K. Our measurements showed that the MCE associated with the first order ferromagnetic/antiferromagnetic phase transition in this material was asymmetric with respect to whether the transition took place by heating the material from temperatures below the transition or by cooling it from above. We have explained these peculiarities using ab-initio density functional theory-based disordered local moment theory calculations.

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Details

  • Original title: Peculiarities of the magnetocaloric effect in the vicinity of the ferromagnetic-antiferromagnetic transition in an iron-rhodium alloy.
  • Record ID : 30019357
  • Languages: English
  • Source: 7th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
  • Publication date: 2016/09/11
  • DOI: http://dx.doi.org/10.18462/iir.thermag.2016.0163

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