Unusual Strain glassy phase in Fe doped Ni\(_2\)Mn\(_{1.5}\)In\(_{0.5}\)

Fe doped Ni\(_2\)Mn\(_{1.5}\)In\(_{0.5}\), particularly, Ni\(_2\)Mn\(_{1.4}\)Fe\(_{0.1}\)In\(_{0.5}\), despite having an incommensurate, modulated 7M martensitic structure at room temperature exhibits frequency dependent behavior of storage modulus and loss that obeys Vogel-Fulcher law as well as sh...

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Bibliographic Details
Published inarXiv.org
Main Authors Nevgi, R, Priolkar, K R
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 19.04.2018
Subjects
Breaking
Domains
Ergodic processes
Iron
Manganese
Nickel
Storage modulus
Temperature dependence
Transition temperature
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Summary:Fe doped Ni\(_2\)Mn\(_{1.5}\)In\(_{0.5}\), particularly, Ni\(_2\)Mn\(_{1.4}\)Fe\(_{0.1}\)In\(_{0.5}\), despite having an incommensurate, modulated 7M martensitic structure at room temperature exhibits frequency dependent behavior of storage modulus and loss that obeys Vogel-Fulcher law as well as shows ergodicity breaking between zero field cooled and field cooled strain measurements just above the transition temperature. Both, frequency dependence and ergodicity breaking are characteristics of a strain glassy phase and occur due to presence of strain domains which are large enough to present signatures of long range martensitic order in diffraction but are non interacting with other strain domains due to presence of Fe impurity.
ISSN:2331-8422
DOI:10.48550/arxiv.1804.07011