Article Transport evidence for twin-boundary pinning of superconducting vortices in FeSe

Taichi Terashima SAMURAI ORCID ; Hideaki Fujii ; Yoshitaka Matsushita SAMURAI ORCID ; Shinya Uji SAMURAI ORCID ; Yuji Matsuda ; Takasada Shibauchi ORCID ; Shigeru Kasahara ORCID

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Citation
Taichi Terashima, Hideaki Fujii, Yoshitaka Matsushita, Shinya Uji, Yuji Matsuda, Takasada Shibauchi, Shigeru Kasahara. Transport evidence for twin-boundary pinning of superconducting vortices in FeSe. Physical Review B. 2024, 109 (1), 014518. https://doi.org/10.1103/physrevb.109.014518
SAMURAI

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(abstract)

We provide bulk transport evidence for twin-boundary pinning of vortices in FeSe. We measure interlayer resistance in FeSe in magnetic fields and find that, as the field is rotated in the ab plane, the flux-flow resistivity is suppressed when the field direction is parallel to twinning planes. The width of the associated dip in the resistance vs in-plane field direction curve varies as T^(1/2)B^(−3/4), consistent with the creation of kinked vortices near the parallel field geometry.

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Keyword: iron-based superconductor, vortex pinning, twin boundary, FeSe

Date published: 2024-01-29

Publisher: American Physical Society (APS)

Journal:

  • Physical Review B (ISSN: 24699950) vol. 109 issue. 1 014518

Funding:

  • Japan Society for the Promotion of Science JP19H05824
  • Japan Society for the Promotion of Science JP22H04485
  • Japan Society for the Promotion of Science JP21H04443
  • Japan Society for the Promotion of Science JP22KK0036
  • Japan Society for the Promotion of Science JP22H00105
  • Japan Society for the Promotion of Science JP23H00089
  • Japan Society for the Promotion of Science JP22H01173
  • Japan Society for the Promotion of Science JP22K03537

Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.1103/physrevb.109.014518

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Updated at: 2024-01-31 15:18:12 +0900

Published on MDR: 2024-01-31 16:30:21 +0900

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