Inverse magnetocaloric effect in Heusler Ni44.4Mn36.2Sn14.9Cu4.5 alloy at low temperatures

Alexander P. Kamantsev; Yuriy S. Koshkid’ko; Ruslan Yu. Gaifullin; Irek I. Musabirov; Anatoliy V. Koshelev; Alexey Victorovich Mashirov; Vladimir V. Sokolovskiy; Vasiliy D. Buchelnikov; Jacek Ćwik; Vladimir G. Shavrov

doi:10.20944/preprints202310.0715.v1

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preprints.org > physical sciences > condensed matter physics > doi: 10.20944/preprints202310.0715.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Inverse magnetocaloric effect in Heusler Ni44.4Mn36.2Sn14.9Cu4.5 alloy at low temperatures

Alexander P. Kamantsev

^* ,

Alexey Victorovich Mashirov

Vladimir V. Sokolovskiy

Vasiliy D. Buchelnikov

Jacek Ćwik

Vladimir G. Shavrov

Version 1 : Received: 10 October 2023 / Approved: 11 October 2023 / Online: 13 October 2023 (07:09:23 CEST)

A peer-reviewed article of this Preprint also exists.

Kamantsev, A.P.; Koshkid’ko, Y.S.; Gaifullin, R.Y.; Musabirov, I.I.; Koshelev, A.V.; Mashirov, A.V.; Sokolovskiy, V.V.; Buchelnikov, V.D.; Ćwik, J.; Shavrov, V.G. Inverse Magnetocaloric Effect in Heusler Ni_44.4Mn_36.2Sn_14.9Cu_4.5 Alloy at Low Temperatures. Metals 2023, 13, 1985. Kamantsev, A.P.; Koshkid’ko, Y.S.; Gaifullin, R.Y.; Musabirov, I.I.; Koshelev, A.V.; Mashirov, A.V.; Sokolovskiy, V.V.; Buchelnikov, V.D.; Ćwik, J.; Shavrov, V.G. Inverse Magnetocaloric Effect in Heusler Ni44.4Mn36.2Sn14.9Cu4.5 Alloy at Low Temperatures. Metals 2023, 13, 1985.

Abstract

The direct measurements of the magnetocaloric effect were performed in Heusler Ni44.4Mn36.2Sn14.9Cu4.5 alloy at cryogenic temperatures in magnetic fields up to 10 T. The maximum value of the inverse magnetocaloric effect in a field of 10 T was observed ∆Tad = –2.7 K in the vicinity of the 1st order magnetostructural phase transition at T0 = 117 K. The ab initio and Monte Carlo calculations were performed to discuss the effect Cu doping into Ni-Mn-Sn compound on the ground state structural and magnetic properties. It is shown that with increasing Cu content the martensitic transition temperature decreases and the Curie temperature of austenite slightly increases. In general, calculated transition temperatures, magnetization values are correlated well with the experimental ones.

Keywords

metamagnetic phase transition; magnetocaloric effect; Heusler alloys; Monte Carlo calculations.

Subject

Physical Sciences, Condensed Matter Physics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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