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Showing 1–4 of 4 results
Advanced filters: Author: Bertram Batlogg Clear advanced filters

  • The layered iron pnictide superconductors are known for their unconventional electronic properties and high critical temperatures. Now, SmFeAs(O,F) is shown to undergo a transition from pinned Abrikosov-like to mobile Josephson-like vortices as the system is cooled below its critical temperature.

    • Philip J. W. Moll
    • Luis Balicas
    • Bertram Batlogg
    Research
    Nature Materials
    Volume: 12, P: 134-138

  • In a Josephson junction, a current flows from one superconductor to another through a barrier without any voltage being applied. SQUIDs, for example, are based on this phenomenon. Now, an iron-based multi-band superconductor shows signs of intrinsic Josephson junctions, opening up prospects for applications.

    • Philip J. W. Moll
    • Xiyu Zhu
    • Bertram Batlogg
    Research
    Nature Physics
    Volume: 10, P: 644-647

  • Regardless of what the origin of superconductivity is in the recently discovered iron-based superconductor, it would be useful to know how good these materials are for applications. Sophisticated experiments now show that SmFeAs0.75F0.25 exhibits a high and nearly isotropic critical current, a potentially important result for their use in applications.

    • Philip J. W. Moll
    • Roman Puzniak
    • Bertram Batlogg
    Research
    Nature Materials
    Volume: 9, P: 628-633