Low temperature charge ordering versus grain boundary effects in polycrystalline La1-xCaxMnO3 manganites

2004/04/19 by E. Rozenberg, Rozenberg, E.
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Advanced Thermoelectric Materials and Devices #Magnetic and transport properties of perovskites and related materials #cond-mat.mtrl-sci #cond-mat.str-el

paper · pdf · doi:10.48550/arxiv.cond-mat/0404438

9 pages

arxiv created 2004/04/19 · arxiv updated 2009/12/01

Abstract

In this communication the enhancement of low temperature magnetoresistance in polycrystalline La1-xCaxMnO3 manganites is discussed. It is shown that so-called grain boundary effects seem to be the simplest and natural explanation of this phenomenon.

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