Hysteresis effects in the magnetic-field-induced reverse martensitic transition in magnetic shape-memory alloys

Thorsten Krenke; Seda Aksoy; Eyüp Duman; Mehmet Acet; Xavier Moya; Lluís Mañosa; Antoni Planes

doi:10.1063/1.3466770

Hysteresis effects in the magnetic-field-induced reverse martensitic transition in magnetic shape-memory alloys

Thorsten Krenke^*, Seda Aksoy, Eyüp Duman, Mehmet Acet, Xavier Moya, Lluís Mañosa, Antoni Planes

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

We study the mechanism of magnetic-field-induced reverse martensitic transformations by considering the field-induced temperature-shifts in the thermal hysteresis loop of the magnetization and critical fields determined from magnetization isotherms. We consider first the temperature-shifts in a symmetric thermal hysteresis loop and extend the discussion to the case of the Heusler-based Ni₅₀Mn₃₄In₁₆ magnetically superelastic alloy having a nonsymmetric thermal hysteresis loop. We obtain two different temperature-behaviors for the critical field depending on whether the initial measurement temperature lies on the forward or on the reverse transformation path of the thermal hysteresis.

Original language	English
Article number	043914
Journal	Journal of Applied Physics
Volume	108
Issue number	4
DOIs	https://doi.org/10.1063/1.3466770
Publication status	Published - 15 Aug 2010
Externally published	Yes

Funding

This work was supported by Deutsche Forschungsgemeinschaft (GK277, SPP1239) and CICyT (Spain), Project No. MAT2007-62100. X.M. acknowledges support from Comissionat per a Universitats i Recerca (CUR) del Departament d’Innovaci, Universitats i Empresa de la Generalitat de Catalunya.

Funders	Funder number
Comissionat per a Universitats i Recerca
Deutsche Forschungsgemeinschaft	GK277, SPP1239
Generalitat de Catalunya
Comisión Interministerial de Ciencia y Tecnología	MAT2007-62100

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AU - Moya, Xavier

AU - Mañosa, Lluís

AU - Planes, Antoni

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Hysteresis effects in the magnetic-field-induced reverse martensitic transition in magnetic shape-memory alloys

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