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

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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.
9 pages

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Strongly Correlated Electrons, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/23771

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0404438
 http://arxiv.org/abs/cond-mat/0404438

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arXiv