Electric-regulated enhanced in-plane uniaxial anisotropy in FeGa/PMN–PT composite using oblique pulsed laser deposition
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The FeGa film with in-plane uniaxial magnetic anisotropy was fabricated onto different oriented single-crystal lead magnesium niobate–lead titanate using oblique pulsed laser deposition. An enhanced in-plane uniaxial magnetic anisotropy field of FeGa film can be adjusted from 18 Oe to 275 Oe by tuning the oblique angle and polarizing voltage. The competitive relationship of shape anisotropy and strain anisotropy has been discussed, which was induced by oblique angle and polarizing voltage, respectively. The (100)-oriented and (110)-oriented PMN–PT show completely different characters on voltage-dependent magnetic properties, which could be attributed to various anisotropy directions depended on different strain directions.
This work is supported by National Youth Natural Science Foundation (61601293, 61404085), Yangfan Plan of Shanghai Youth Science and Technology Talents (15YF1408800), and National Natural Science Fund (11574214).
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