Pressure Induced Static Magnetic Order in Superconducting FeSe_1-x

M. Bendele; A. Amato; K. Conder; M. Elender; H. Keller; H. -H. Klauss; H. Luetkens; E. Pomjakushina; A. Raselli; R. Khasanov

doi:10.1103/PhysRevLett.104.087003

Pressure Induced Static Magnetic Order in Superconducting FeSe_1-x

Superconductivity 2015-05-13 v2

Authors: M. Bendele , A. Amato , K. Conder , M. Elender , H. Keller , H. -H. Klauss , H. Luetkens , E. Pomjakushina , A. Raselli , R. Khasanov

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Abstract

We report on a detailed investigation of the electronic phase diagram of FeSe_1-x under pressures up to 1.4GPa by means of AC magnetization and muon-spin rotation. At a pressure \simeq0.8GPa the non-magnetic and superconducting FeSe_1-x enters a region where long range static magnetic order is realized above T_c and bulk superconductivity coexists and competes on short length scales with the magnetic order below T_c. For even higher pressures an enhancement of both the magnetic and the superconducting transition temperatures as well as of the corresponding order parameters is observed. These exceptional properties make FeSe1-x to be one of the most interesting superconducting systems investigated extensively at present.

Keywords

iron-based superconductor FeSe pressure-induced magnetism muon-spin rotation electronic phase diagram superconductivity and magnetism coexistence

Cite

@article{arxiv.0908.2734,
  title  = {Pressure Induced Static Magnetic Order in Superconducting FeSe_1-x},
  author = {M. Bendele and A. Amato and K. Conder and M. Elender and H. Keller and H. -H. Klauss and H. Luetkens and E. Pomjakushina and A. Raselli and R. Khasanov},
  journal= {arXiv preprint arXiv:0908.2734},
  year   = {2015}
}

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5 pages, 3 figures

Pressure Induced Static Magnetic Order in Superconducting FeSe_1-x

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