Martensite-austenite transition correlated twinning and symmetry breaking in single crystalline Ni50Mn35In15

Y. S. Chen, J. G. Lin, S. Singh, Kaustav Manna, Gerhard H. Fecher, and Claudia Felser
Phys. Rev. Materials 5, 034418 – Published 26 March 2021

Abstract

Temperature-dependent ferromagnetic resonance (FMR) spectroscopy was used to investigate a Ni50Mn35In15 single crystalline slab to understand the nature of its martensitic transition. Its magnetic anisotropy in multivariant martensitic structures depends on external stress and strain. Near the transition, the preferred orientation of a pair of twinned domains with easy axes along [100]A and [010]A is observed in Ni50Mn35In15. The temperature dependence of the g value indicates a unique characteristic with an opposite shift of g away from 2 in the austenite and martensite phases. This indicates a transition from quenched to unquenched states of electron orbital motion that is induced by breaking the inversion symmetry during the phase transition. The FMR result is magnetic evidence for the martensitic transition and thus it advances our scientific understanding on this unique structural transformation.

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  • Received 5 October 2020
  • Revised 28 January 2021
  • Accepted 16 March 2021

DOI:https://doi.org/10.1103/PhysRevMaterials.5.034418

©2021 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Y. S. Chen1, J. G. Lin1,2,*, S. Singh3,†, Kaustav Manna3,‡, Gerhard H. Fecher3, and Claudia Felser3,*

  • 1Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan
  • 2Center for Atomic Initiatives for New Materials, National Taiwan University, Taipei 10617, Taiwan
  • 3Max Planck Institute for Chemical Physics of Solids, Dresden 01187, Germany

  • *Corresponding authors: jglin@ntu.edu.tw; Claudia.Felser@cpfs. mpg.de
  • Present address: School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi-221005, India.
  • Present address: Department of Physics, Indian Institute of Technology Delhi, Hauz Khas, New Delhi-110016, India.

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Vol. 5, Iss. 3 — March 2021

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