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TEM cross section of a BFO sample.
(a) curve of a (001) junction. The arrows show the magnetic states of each layer for the different resistance states. (b) Evolution of the TMR with T.
XAS spectra measured in BFO with the linear polarization vector oriented parallel and perpendicular to the sample plane (top) and the corresponding XLD spectra (bottom).
(a) Hysteresis loop along the  direction of CoFeB layer. Hysteresis loops along (b) the  direction, (c) the direction, and (d) the  direction of bilayer. (e) Coercive fields of a similar sample for successive cycles (up to ). Dashed lines are guides to the eyes.
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