Unexpected fourfold symmetry in the resistivity of patterned superconductors

Myriam Pannetier; Rinke J. Wijngaarden; Inge Fløan; Jan Rector; Bernard Dam; Ronald Griessen; Peter Lahl; Roger Wördenweber

doi:10.1103/PhysRevB.67.212501

Unexpected fourfold symmetry in the resistivity of patterned superconductors

Myriam Pannetier, Rinke J. Wijngaarden^*, Inge Fløan, Jan Rector, Bernard Dam, Ronald Griessen, Peter Lahl, Roger Wördenweber

^*Corresponding author for this work

ChemE/Chemical Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

47 Citations (Scopus)

Abstract

We report the magneto-optical observation of a surprising fourfold symmetry of the flux penetration in a superconducting YBa₂Cu₃O_7−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.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.67.212501
Publication status	Published - 6 Jun 2003

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10.1103/PhysRevB.67.212501

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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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AU - Pannetier, Myriam

AU - Wijngaarden, Rinke J.

AU - Fløan, Inge

AU - Rector, Jan

AU - Dam, Bernard

AU - Griessen, Ronald

AU - Lahl, Peter

AU - Wördenweber, Roger

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AB - 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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DO - 10.1103/PhysRevB.67.212501

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VL - 67

JO - Physical Review B - Condensed Matter and Materials Physics

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Unexpected fourfold symmetry in the resistivity of patterned superconductors

Abstract

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