Effects of hydrostatic pressure on the magnetism and martensitic transition of Ni-Mn-In magnetic superelastic alloys

Abstract

We report magnetization and differential thermal analysis measurements as a function of pressure accross the martensitic transition in magnetically superelastic Ni-Mn-In alloys. It is found that the properties of the martensitic transformation are significantly affected by the application of pressure. All transition temperatures shift to higher values with increasing pressure. The largest rate of temperature shift with pressure has been found for Ni${}_{50}$Mn${}_{34}$In${}_{16}$ as a consequence of its small entropy change at the transition. Such a strong pressure dependence of the transition temperature opens up the possibility of inducing the martensitic transition by applying relatively low hydrostatic pressures.

arXiv comment3 pages, 3 figures. Accepted for publication in Applied Physics Letters

References in corpus (5)

• Inverse magnetocaloric effect in ferromagnetic Ni-Mn-Sn alloys
• Magnetic superelasticity and inverse magnetocaloric effect in Ni-Mn-In
• Coexistence of ferro- and antiferromagnetic order in Mn-doped Ni${}_2$MnGa
• Pressure dependence of the Curie temperature in Ni2MnSn Heusler alloy: A first-principles study
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• Suppression of the ferromagnetic order in the Heusler alloy Ni50Mn35In15 by hydrostatic pressure
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