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@ARTICLE{Wang:279857,
      author       = {Wang, Qisi and Shen, Yao and Pan, Bingying and Hao, Yiqing
                      and Ma, Mingwei and Zhou, Fang and Steffens, P. and
                      Schmalzl, K. and Forrest, T. R. and Abdel-Hafiez, M. and
                      Chen, Xiaojia and Chareev, D. A. and Vasiliev, A. N. and
                      Bourges, P. and Sidis, Y. and Cao, Huibo and Zhao, Jun},
      title        = {{S}trong interplay between stripe spin fluctuations,
                      nematicity and superconductivity in {F}e{S}e},
      journal      = {Nature materials},
      volume       = {15},
      issn         = {1476-4660},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2015-07735},
      pages        = {159–163},
      year         = {2016},
      abstract     = {In iron-based superconductors the interactions driving the
                      nematic order (that breaks four-fold rotational symmetry in
                      the iron plane) may also mediate the Cooper pairing1. The
                      experimental determination of these interactions, which are
                      believed to depend on the orbital or the spin degrees of
                      freedom1, 2, 3, 4, is challenging because nematic order
                      occurs at, or slightly above, the ordering temperature of a
                      stripe magnetic phase1, 5. Here, we study FeSe (ref.
                      6)—which exhibits a nematic (orthorhombic) phase
                      transition at Ts = 90 K without antiferromagnetic
                      ordering—by neutron scattering, finding substantial stripe
                      spin fluctuations coupled with the nematicity that are
                      enhanced abruptly on cooling through Ts. A sharp spin
                      resonance develops in the superconducting state, whose
                      energy (~4 meV) is consistent with an electron–boson
                      coupling mode revealed by scanning tunnelling spectroscopy7.
                      The magnetic spectral weight in FeSe is found to be
                      comparable to that of the iron arsenides8, 9. Our results
                      support recent theoretical proposals that both nematicity
                      and superconductivity are driven by spin fluctuations},
      cin          = {JCNS-2 / PGI-4 / JCNS-ILL},
      ddc          = {610},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      I:(DE-Juel1)JCNS-ILL-20110128},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000368766100016},
      pubmed       = {pmid:26641018},
      doi          = {10.1038/nmat4492},
      url          = {https://juser.fz-juelich.de/record/279857},
}