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Impurity scattering effect in Pd-doped superconductor SrPt3P

Frontiers of Physics volume 11, Article number: 117403 (2016) Cite this article

Abstract

We present a systematic study of the impurity scattering effect induced by Pd dopants in the superconductor SrPt3P. Using a solid-state reaction method, we fabricated the Pd-doped superconductor Sr(Pt1−x Pd x )3P.We found that the residual resistivity ρ 0 increases quickly with Pd doping, whereas the residual resistance ratio (RRR) displays a dramatic reduction. In addition, both the nonlinear field-dependent behavior of the Hall resistivity ρ xy and the strong temperature dependence of the Hall coefficient R H at low temperature are suppressed by Pd doping. All the experimental results can be explained by an increase in scattering by impurities induced by doping. Our results suggest that the Pt position is very crucial to the carrier conduction in the present system.

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Affiliations

  1. Shanghai Key Laboratory of High Temperature Superconductors, Shanghai University, Shanghai, 200444, China
    • Kang-Kang Hu
    •  & Chuan-Bing Cai
  2. State Key Laboratory of Functional Materials for Informatics and Shanghai Center for Superconductivity, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
    • Kang-Kang Hu
    • , Bo Gao
    • , Qiu-Cheng Ji
    • , Yong-Hui Ma
    • , Gang Mu
    •  & Xiao-Ming Xie
  3. School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
    • Yong-Hui Ma
  4. CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
    • Hui Zhang
    •  & Fu-Qiang Huang
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Correspondence to Gang Mu.

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Hu, K., Gao, B., Ji, Q. et al. Impurity scattering effect in Pd-doped superconductor SrPt3P. Front. Phys. 11, 117403 (2016). https://doi.org/10.1007/s11467-016-0554-9

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Keywords

  • impurity scattering effect
  • SrPt3P
  • superconductors