The flux pinning mechanism, and electrical and magnetic anisotropy in Fe1.04Te0.6Se0.4 superconducting single crystal | Zendy

Mahboobeh Shahbazi | Zendy; Xiaolin Wang | Zendy; Shi Xue Dou | Zendy; Fang Hong | Zendy; C. T. Lin | Zendy

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The flux pinning mechanism, and electrical and magnetic anisotropy in Fe1.04Te0.6Se0.4 superconducting single crystal

Author(s) -

Mahboobeh Shahbazi,

Xiaolin Wang,

Shi Xue Dou,

Fang Hong,

C. T. Lin

Publication year - 2013

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4794134

Subject(s) - condensed matter physics , flux pinning , electrical resistivity and conductivity , anisotropy , superconductivity , magnetization , magnetic field , single crystal , magnetic anisotropy , materials science , magnetic flux , type ii superconductor , pinning force , high temperature superconductivity , critical current , physics , nuclear magnetic resonance , quantum mechanics

The temperature and magnetic field dependences of the magnetization and critical current density of Fe1.04Te0.6Se0.4 single crystals have been investigated, and the flux pinning mechanism has been analysed. The normalized pinning force (fp = Fp/Fp,max) vs. h(H/Hirr) curves, are scaled using the Dew-Hughes' theory, f(h) ≈ hp(1 − h)q with p = 1.35 and q = 3.06. The angular dependence of the resistivity under different magnetic fields shows a dip-like structure, below the superconducting transition temperature. The anisotropic value of 2 was obtained using Ginzburg-Landau theory.

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