Effects of the partial substitution of Ni by Cr on the transport, magnetic, and magnetocaloric properties of Ni50Mn37In13 | Zendy

Sudip Pandey | Zendy; Abdiel Quetz | Zendy; Anil Aryal | Zendy; Ahmad Us Saleheen | Zendy; I. D. Rodionov | Zendy; Mikhail Blinov | Zendy; M. Prudnikova | Zendy; Igor Dubenko | Zendy; Valerii Prudnikov | Zendy; Dipanjan Mazumdar | Zendy; A. B. Granovsky | Zendy; Shane Stadler | Zendy; Naushad Ali | Zendy

Open Access

Effects of the partial substitution of Ni by Cr on the transport, magnetic, and magnetocaloric properties of Ni50Mn37In13

Author(s) -

Sudip Pandey,

Abdiel Quetz,

Anil Aryal,

Ahmad Us Saleheen,

I. D. Rodionov,

Mikhail Blinov,

M. Prudnikova,

Igor Dubenko,

Valerii Prudnikov,

Dipanjan Mazumdar,

A. B. Granovsky,

Shane Stadler,

Naushad Ali

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4978909

Subject(s) - magnetic refrigeration , materials science , magnetoresistance , magnetization , condensed matter physics , hydrostatic pressure , curie temperature , electrical resistivity and conductivity , martensite , magnetic shape memory alloy , magnetic field , thermodynamics , metallurgy , ferromagnetism , magnetic anisotropy , microstructure , physics , quantum mechanics

The structural, magnetic, and magnetotransport properties of Ni50-xCrxMn37In13 Heusler alloys have been synthesized and investigated by x-ray diffraction (XRD), field and pressure dependent magnetization, and electrical resistivity measurements. The partial substitution of Ni by Cr in Ni50Mn37In13 significantly improves the magnetocaloric effect in the vicinity of the martensitic transition (TM). This system also shows a large negative entropy change at the Curie temperature (TC), making it a candidate material for application in a refrigeration cycle that exploits both positive and negative magnetic entropy changes. The refrigeration capacity (RC) values at TM and TC increase significantly by more than 20 % with Cr substitution. The application of hydrostatic pressure increases the temperature stability of the martensitic phase in Ni45Cr5Mn37In13. The influence of Cr substitution on the transport properties of Ni48Cr2Mn37In13 is discussed. An asymmetric magnetoresistance, i.e., a spin-valve-like behavior, has been observed near TM for Ni48Cr2Mn37In13

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