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

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

doi:10.1063/1.4768263

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

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

Research output: Journal article publication › Journal article › Academic research › peer-review

2 Citations (Scopus)

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 language	English
Article number	113503
Journal	Journal of Applied Physics
Volume	112
Issue number	11
DOIs	https://doi.org/10.1063/1.4768263
Publication status	Published - 1 Dec 2012

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.4768263

http://hdl.handle.net/10397/5896

Cite this

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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.",

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AB - 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.

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

Abstract

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