硫系铁超导体FeSe0.5Te0.5的钉钉机理

Journal of Physics C: Solid State Physics Pub Date : 2012-06-06 DOI:10.1063/1.4710292

A. D. Thakur, A. Yadav, P. Das, C. Tomy, M. Lees, G. Balakrishnan, S. Ramakrishnan, A. Grover

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引用次数: 0

摘要

探讨了硫系铁超导体FeSe0.5Te0.5中涡旋钉钉机制的物理性质。，通过基于磁化的研究。我们特别尝试:(i)了解在Dew-Hughes情景下钉钉力密度(Fp)的显著特征，(ii)将实验结果与平均自由程波动(δl)钉钉和超导序参量波动(δTc)钉钉的理论图片进行比较。结果表明FeSe0.5Te0.5中存在δl钉钉现象。

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Pinning mechanism in iron chalcogenide superconductor FeSe0.5Te0.5

We explore the physics of vortex pinning mechanism in Iron chalcogenide superconductor FeSe0.5Te0.5., via magnetization based studies. In particular we try to: (i) understand the salient features of the pinning force density (Fp) within the Dew-Hughes scenario, and (ii) compare the experimental results with the theoretical pictures of fluctuation in mean free path induced (δl) pinning and the fluctuation in superconducting order parameter induced (δTc) pinning. The results points to a δl pinning scenario in FeSe0.5Te0.5.

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Journal of Physics C: Solid State Physics

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