Is Pr_{1-x}Ca_xMnO_3 a ferroelectric of new mechanism?

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A new type of charge-ordering pattern for Pr1-xCaxMnO3: a hybridization of site- and bond-centred ordering (SBCO) was proposed by Efremov et al.. It was believed this discovery opened a new route to magnetic ferroelectrics. Here we argue that the possible ferroelectric of Pr1-xCaxMnO3 also originates from the cation displacement, similar to prototypical ferroelectric system.
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Materials Science, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/117440

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0610612
 http://arxiv.org/abs/cond-mat/0610612

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arXiv