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Low-Field-Triggered Large Magnetostriction in Iron-Palladium Strain Glass Alloys

Shuai Ren, Dezhen Xue, Yuanchao Ji, Xiaolian Liu, Sen Yang, and Xiaobing Ren
Phys. Rev. Lett. 119, 125701 – Published 22 September 2017
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Abstract

Development of miniaturized magnetostriction-associated devices requires low-field-triggered large magnetostriction. In this study, we acquired a large magnetostriction (800 ppm) triggered by a low saturation field (0.8 kOe) in iron-palladium (Fe-Pd) alloys. Magnetostriction enhancement jumping from 340 to 800 ppm was obtained with a slight increase in Pd concentration from 31.3 to 32.3 at. %. Further analysis showed that such a slight increase led to suppression of the long-range ordered martensitic phase and resulted in a frozen short-range ordered strain glass state. This strain glass state possessed a two-phase nanostructure with nanosized frozen strain domains embedded in the austenite matrix, which was responsible for the unique magnetostriction behavior. Our study provides a way to design novel magnetostrictive materials with low-field-triggered large magnetostriction.

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  • Received 23 May 2017

DOI:https://doi.org/10.1103/PhysRevLett.119.125701

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Shuai Ren1, Dezhen Xue1, Yuanchao Ji1, Xiaolian Liu2, Sen Yang1,*, and Xiaobing Ren1,2,†

  • 1Frontier Institute of Science and Technology, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, and State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
  • 2Ferroic Physics Group, National Institute for Materials Science, Tsukuba, 305-0047 Ibaraki, Japan

  • *senyang@mail.xjtu.edu.cn
  • Ren.Xiaobing@nims.go.jp; ren.xiaobing@xjtu.edu.cn

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Issue

Vol. 119, Iss. 12 — 22 September 2017

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