Large magnetic entropy and electron-phonon coupling in Gd-based metallic glass

M. B. Tang, L. Xia, Kang Cheung Chan, J. T. Zhao

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Abstract

We study the magnetic entropy behavior in Gd55Al20Ni12Co10Mn3metallic glass by magnetic susceptibility, resistivity, and specific heat at low temperatures. The Gd-based metallic glass shows metallic behavior, and a ferromagnetic to paramagnetic transition at 106K. The ferromagnetic order assists the electron-phonon coupling, which induces the large excess magnetic entropy below Curie temperature in the Gd-based metallic glass. The results are important to understand the electron-phonon coupling behavior in disordered alloys.
Original languageEnglish
Article number113503
JournalJournal of Applied Physics
Volume112
Issue number11
DOIs
Publication statusPublished - 1 Dec 2012

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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