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Exchange bias effect and enhanced magnetoresistance in superlattices
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View: Figures


Image of FIG. 1.
FIG. 1.

X-ray diffraction spectra of . labels the peak of STO substrate. The orders of the satellite peaks from LSMO/STO superstructure are marked with numbers.

Image of FIG. 2.
FIG. 2.

(a) Temperature dependence of the magnetization in ZFC and FC processes measured at field. The arrow indicates the blocking temperature . Hysteresis loops normalized by the maximal magnetization with fields along the (b) in-plane and (c) out-of-plane directions at . The fully saturated hysteresis loops are, respectively, shown in the insets of (b) and (c). The cooling field is . Open and filled symbols denote the ZFC and FC processes.

Image of FIG. 3.
FIG. 3.

Temperature dependences of (a) exchange field and (b) coercivity . The arrow indicates the corresponding blocking transition. The solid lines are fits from Eq. (1) . The dependence of (c) and (d) on cooling field at . Insets: Dependence of the vertical shift on the temperature and the cooling field.

Image of FIG. 4.
FIG. 4.

Magnetic field dependences of MR at (a) and (b) . Open and filled symbols denote the ZFC and FC processes. The arrows indicate the field scanning sequences. Measuring configuration is shown in the inset of (b).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Exchange bias effect and enhanced magnetoresistance in La0.67Sr0.33MnO3∕SrTiO3 superlattices