Intersite Charge Transfer through Eu 4f Band Engineering in Eu1–xSrxVO2H Oxyhydride Films
Morito Namba,
Hiroshi Takatsu,
Kantaro Murayama
et al.
Abstract:Perovskite oxyhydride EuVO 2 H exhibits a Mott insulating state derived from V III O 2 layers and a ferromagnetic state derived from Eu II H layers, with compressive strain inducing intersite charge transfer (ICT) in thin films, accompanied by an increased ferromagnetic transition temperature (T C ) and the emergence of perpendicular magnetic anisotropy (PMA). While ICT has previously been adjusted by film thickness (or substrate strain), this study demonstrates its control by Eu-site substitution with Sr. Uti… Show more
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