Comment on “Giant anisotropy of magnetocaloric effect in TbMnO3 single crystals”

M. Balli, P. Fournier, S. Jandl, S. Mansouri, A. Mukhin, Yu. V. Ivanov, and A. M. Balbashov
Phys. Rev. B 96, 146401 – Published 12 October 2017

Abstract

Materials showing anisotropic magnetocaloric effects could open the way for new designs of magnetic cooling. In the paper by Jin et al. [Phys. Rev. B 83, 184431 (2011)], a rotating magnetocaloric effect was pointed out in TbMnO3 single crystals. The reported effect arises from the rotation of TbMnO3 crystals between their b and a axes. However, in this Comment we demonstrate that TbMnO3 crystals generate a rotating magnetocaloric effect that is at least two times larger than that reported by Jin et al. On the other hand, the newly reported rotating magnetocaloric effect is not directly resulted from the magnetocrystalline anisotropy, also being in contrast with Jin et al. data.

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  • Received 4 May 2017
  • Revised 18 July 2017

DOI:https://doi.org/10.1103/PhysRevB.96.146401

©2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

M. Balli1,2,*, P. Fournier1,2,3, S. Jandl1,2, S. Mansouri1,2, A. Mukhin4, Yu. V. Ivanov4, and A. M. Balbashov5

  • 1Institut Quantique, Université de Sherbrooke, Québec J1K 2R1, Canada
  • 2Regroupement Québécois sur les Matériaux de Pointe, Département de Physique, Université de Sherbrooke, Québec J1K 2R1, Canada
  • 3Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada
  • 4Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St., 119991 Moscow, Russia
  • 5Moscow Power Engineering Institute, 14 Krasnokazarmennaya St., 105835 Moscow, Russia

  • *mohamed.balli@usherbrooke.ca

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Original Article

Giant anisotropy of magnetocaloric effect in TbMnO3 single crystals

Jin-Ling Jin, Xiang-Qun Zhang, Guo-Ke Li, Zhao-Hua Cheng, Lin Zheng, and Yi Lu
Phys. Rev. B 83, 184431 (2011)

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Issue

Vol. 96, Iss. 14 — 1 October 2017

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