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Ab initio Evidence for Giant Magnetoelectric Responses Driven by Structural Softness

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Type
Preprint
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Submission Date
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DOI: 10.1103/PhysRevLett.105.037208
Source
arXiv
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Abstract

We show that inducing structural softness in regular magnetoelectric (ME) multiferroics -- i.e., tuning the materials to make their structure strongly reactive to applied fields -- makes it possible to obtain very large ME effects. We present illustrative first-principles results for BiFeO3 thin films.

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