Electronic Transport in Underdoped YBCO Nanowires: Possible Observation of Stripe Domains

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We have measured the transport properties of a series of underdoped YBa2Cu3O7 nanowires fabricated with widths of 100-250 nm. We observe large telegraph-like fluctuations in the resistance between the pseudogap temperature T* and the superconducting transition temperature Tc, consistent with the formation and dynamics of a domain structure such as that created by charge stripes. We also find anomalous hysteretic steps in the current-voltage characteristics well below Tc.
4 pages, 5 figures

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Superconductivity, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/23488

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0403231
 http://arxiv.org/abs/cond-mat/0403231

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arXiv