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

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 for...

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Bibliographic Details
Published inarXiv.org
Main Authors Bonetti, J A, Caplan, D S, Van Harlingen, D J, Weissman, M B
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 09.03.2004
Subjects
Current voltage characteristics
Domains
Electron transport
Nanowires
Transition temperature
Transport properties
Variations
YBCO superconductors
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Summary: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.
ISSN:2331-8422
DOI:10.48550/arxiv.0403231