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Journal of Superconductivity and Novel Magnetism

, Volume 23, Issue 7, pp 1289–1294 | Cite as

Effects of Out-of-Plane Disorder in CaFe1−x Co x AsF System

  • Changjin Zhang
  • Min Zhang
  • Shun Tan
  • Chuanying Xi
  • Lei Zhang
  • Langsheng Ling
  • Wei Tong
  • Yuheng Zhang
Original Paper
  • 93 Downloads

Abstract

We perform oxygen doping experiments in the CaFeAsF and CaFe0.88Co0.12AsF compounds. In the parent compound CaFeAsF, partial replacement of F by O leads to an increase of resistivity and a weakening of spin-density wave transition, indicating that the out-of-plane disorder strongly affects the electronic and magnetic properties of the system. In the CaFe0.88Co0.12AsF1−x O x system, the doping of oxygen leads to the suppression of superconductivity, reflecting the importance of Ca–F layer disorder in this system.

Keywords

CaFeAsF Spin-density wave transition Electron spin resonance 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Changjin Zhang
    • 1
  • Min Zhang
    • 2
  • Shun Tan
    • 2
  • Chuanying Xi
    • 1
  • Lei Zhang
    • 1
  • Langsheng Ling
    • 1
  • Wei Tong
    • 1
  • Yuheng Zhang
    • 1
    • 2
  1. 1.High Magnetic Field LaboratoryChinese Academy of SciencesHefeiPeople’s Republic of China
  2. 2.Hefei National Laboratory for Physical Sciences at MicroscaleUniversity of Science and Technology of ChinaHefeiPeople’s Republic of China

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