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|Title:||Low-field magnetoresistance in nanosized La0.7Sr0.3MnO3/Pr0.5Sr 0.5MnO3 composites|
|Citation:||Liu, J.-M., Yuan, G.L., Sang, H., Wu, Z.C., Chen, X.Y., Liu, Z.G., Du, Y.W., Huang, Q., Ong, C.K. (2001-02-19). Low-field magnetoresistance in nanosized La0.7Sr0.3MnO3/Pr0.5Sr 0.5MnO3 composites. Applied Physics Letters 78 (8) : 1110-1112. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1350602|
|Abstract:||Nanosized La0.7Sr0.3MnO3/Pr0.5Sr 0.5MnO3 (LSMO1-xPSMOx) ceramic composites are prepared using solid-sate sintering. Their microstructural, electro-and magnetotransport properties are characterized by means of various techniques. It is found that the antiferromagnetic/ferromagnetic coupling between PSMO/LSMO at low temperature and the weak ferromagnetic order of PSMO at high temperature results in enhanced low-field magnetoresistance (LFMR) of the composites. With increasing temperature up to 250 K the observed LFMR decays more slowly than that for pure LSMO and this behavior may be explained by the spin coupling near boundaries between LSMO and PSMO grains. © 2001 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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