Superconductivity and Aluminum Ordering in Mg1-xAlxB2

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Superconductivity and structural properties of Mg1-xAlxB2 materials have been systematically investigated. Evident modifications in both superconductivity and microstructure are identified to originate from the Al ordering along the c-axis direction. The resultant superstructure phase has an optimal composition of MgAlB4 with the superconducting transition at around 12K. Brief diagrams illustrating the superconductivity and structural features of Mg1-xAlxB2 materials along with the increase of Al concentration are presented.
5 pages, 3 figures

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Superconductivity, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/17617

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0104320
 http://arxiv.org/abs/cond-mat/0104320

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arXiv