A thermodynamic potential for Ni45Co5Mn 36.7In13.3 single crystal

J. J. Wang, X. Q. Ma, H. B. Huang, W. Q. He, Z. H. Liu, Long Qing Chen

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Abstract

A thermodynamic potential as a function of the ferromagnetic, antiferromagnetic, and martensite order parameters is developed using existing experimental data. It successfully reproduces the single domain properties of Ni45Co5Mn36.7In13.3 bulk crystal, including the Curie temperature, the transition temperature from ferromagnetic austenite phase to antiferromagnetic martensite phase as well as its response to an externally applied magnetic field, the saturated magnetization, the martensite strain, the entropy change, and the magnetic permeability. It can be applied to explore the stress-strain and magnetic field-strain behaviors and implemented in phase field simulations to study the ferromagnetic, antiferromagnetic, and martensite domain stability and evolution.

Original languageEnglish (US)
Article number013504
JournalJournal of Applied Physics
Volume114
Issue number1
DOIs
StatePublished - Jul 7 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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