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

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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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  • 29/01/2024
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  • Version of record (Published version)
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Last modified
  • 31/01/2024
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  • Funder identifier
    JP19H05824
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP23H00089
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP22H01173
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP22H00105
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP22H04485
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP22K03537
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP22KK0036
    Funder name
    Japan Society for the Promotion of Science
    Funder identifier
    JP21H04443
    Funder name
    Japan Society for the Promotion of Science

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