期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 459, 期 -, 页码 98-101出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2017.11.125
关键词
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资金
- Office of Basic Energy Sciences, Material Science Division of the U.S. Department of Energy, DOE [DE-FG02-06ER46291, DE-FG02-13ER46946]
- ERA.Net RUS Plus initiative of the EU 7th Framework Programme [146-MAGNES]
- National Science Center Poland (NCN) under the SONATA program [2016/21/D/ST3/03435]
- Russian Foundation for Basic Research [15-02-01976]
- Russian Scientific Foundation [14-22-00279]
Ni50Mn35In14.25B0.75 is a typical representative of the family of metamagnetic In-based Heusler alloys which shows large magnetocaloric effects generated from first order magnetostructural and ferromagnetic-paramagnetic transitions. For this alloy, a study of the adiabatic temperature change Delta T-ad by a direct method and through thermomagnetic measurements in magnetic fields up to 14 T has been performed. It has been shown that the rate of heating/cooling can affect the magnitude and sign of Delta T-ad. The application of magnetic fields larger than 12 T (on cooling) results in the kinetic arrest of the ferromagnetic austenitic phase. The effects of the temperature and magnetic history, and kinetic effects, on Delta T-ad of these Ni-Mn-In-based Heusler alloys in high magnetic fields are discussed. (C) 2017 Elsevier B.V. All rights reserved.
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