Actions for Full electroresistance modulation in a mixed-phase metallic alloy [electronic resource].

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Full electroresistance modulation in a mixed-phase metallic alloy [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2016.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
Article numbers 097,203 : digital, PDF file
Additional Creators
Oak Ridge National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We report a giant, ~22%, electroresistance modulation for a metallic alloy above room temperature. It is achieved by a small electric field of 2 kV/cm via piezoelectric strain-mediated magnetoelectric coupling and the resulting magnetic phase transition in epitaxial FeRh/BaTiO3 heterostructures. This work presents detailed experimental evidence for an isothermal magnetic phase transition driven by tetragonality modulation in FeRh thin films, which is in contrast to the large volume expansion in the conventional temperature-driven magnetic phase transition in FeRh. Furthermore, all the experimental results in this work illustrate FeRh as a mixed-phase model system well similar to phase-separated colossal magnetoresistance systems with phase instability therein.
Report Numbers
E 1.99:1266024
Subject(s)
Note
Published through SciTech Connect.
03/03/2016.
Physical Review Letters 116 9 ISSN 0031-9007; PRLTAO AM
Zhiqi Liu; L. Li; Zheng Gai; J. D. Clarkson; S. L. Hsu; Anthony T. Wong; L. S. Fan; Ming -Wei Lin; Christopher M. Rouleau; Thomas Zac Ward; Ho Nyung Lee; Athena Safa Sefat; Hans M. Christen; Ramamoorthy Ramesh.
Funding Information
AC05-00OR22725
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