Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34876
Title: Preparation of nanosized La0.7Sr0.3MnO3/Pr0.5Sr0.5MnO3 composites with enhanced low-field magnetoresistance
Authors: Yuan, GL
Liu, JM
Liu, ZG
Du, YW
Chan, HLW 
Choy, CL 
Keywords: Low-field magnetoresistance
Perovskite manganites
Composites
Issue Date: 2002
Publisher: Elsevier
Source: Materials chemistry and physics, 2002, v. 75, no. 1-3, p. 161-165 How to cite?
Journal: Materials chemistry and physics
Abstract: Nanosized La0.7Sr0.3MnO3/Pr0.5Sr0.5MnO3 (LSMO1−xPSMOx) ceramic composites are prepared by solid-state co-sintering of ultrafine ferromagnetic LSMO and anti-ferromagnetic PSMO powders. The microstructural, electro- and magneto-transport properties of the composites are characterized. Both the anti-ferromagnetic/ferromagnetic coupling between PSMO/LSMO phases at low temperature and ferromagnetic ordering of PSMO at high temperature make a contribution to the enhanced low-field magnetoresistance. This effect decays more slowly than that for pure LSMO with increasing temperature up to 250 K.
URI: http://hdl.handle.net/10397/34876
ISSN: 0254-0584
DOI: 10.1016/S0254-0584(02)00047-0
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