Direct Observation of Coexistence of Ferromagnetism and Superconductivity in RuSr2(Gd0.7Ce0.3)2Cu2O10

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Recent reports of the detecting of ferromagnetism and superconductivity in ruthenium-cuprates have aroused great interest. Unfortunately, whether the two antagonistic phenomena coexist in the same space in the compounds remains unresolved. By employing the magneto-optical-imaging technique, ferromagnetism and superconductivity were indeed directly observed to coexist in the same space in RuSr2(Gd0.7Ce0.3)2Cu2O10 within the experimental resolution of ~ 10 (mu)m. The observation sets a length scale limit for models proposed to account for the competition between ferromagnetism and superconductivity, especially d-wave superconductivity, in this interesting class of compounds.
8 pages, 6 figures, submitted to Phys. Rev. B (May 25, 2001)

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/17784

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0105510
 http://arxiv.org/abs/cond-mat/0105510

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arXiv