Unexpected fourfold symmetry in the resistivity of patterned superconductors

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Unexpected fourfold symmetry in the resistivity of patterned superconductors

Journal Article (2003)

Author(s)

M. Pannetier (Vrije Universiteit Amsterdam)

R. J. Wijngaarden (Vrije Universiteit Amsterdam)

Inge Fløan (Vrije Universiteit Amsterdam)

J. Rector (Vrije Universiteit Amsterdam)

B. Dam (Vrije Universiteit Amsterdam)

R. P. Griessen (Vrije Universiteit Amsterdam)

Peter Lahl (Forschungszentrum Jülich)

R. Wördenweber (Forschungszentrum Jülich)

Affiliation

External organisation

DOI related publication

https://doi.org/10.1103/PhysRevB.67.212501

To reference this document use:

https://resolver.tudelft.nl/uuid:215aaf66-4d8f-4556-8c89-4d1f737a6573

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Publication Year

2003

Language

English

Affiliation

External organisation

Issue number

21

Volume number

67

Abstract

We report the magneto-optical observation of a surprising fourfold symmetry of the flux penetration in a superconducting YBa2Cu3O7−δ thin-film disk containing a square array of antidots, leading to an angular variation of the critical current by a factor of nearly 2. This behavior is explained using a vortex channeling model. Potential applications in superconducting devices are discussed.

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