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@ARTICLE{Ricci:454453,
      author       = {Ricci, Alessandro and Campi, G. and Joseph, B. and Poccia,
                      N. and Innocenti, D. and Gutt, C. and Tanaka, M. and Takeya,
                      H. and Takano, Y. and Mizokawa, T. and Sprung, Michael and
                      Saini, N. L.},
      title        = {{I}ntermittent dynamics of antiferromagnetic phase in
                      inhomogeneous iron-based chalcogenide superconductor},
      journal      = {Physical review / B},
      volume       = {101},
      number       = {2},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {PUBDB-2021-00527},
      pages        = {020508},
      year         = {2020},
      abstract     = {The coexistence of phases, characterized by different
                      electronic degrees of freedom, commonly occurs in layered
                      superconductors. Among them, alkaline intercalated
                      chalcogenides are model systems showing the microscale
                      coexistence of paramagnetic (PAR) and antiferromagnetic
                      (AFM) phases, however, the temporal behavior of different
                      phases is still unknown. Here, we report a visualization of
                      the atomic motion in the granular phase of KxFe2−ySe2
                      using x-ray photon correlation spectroscopy. Unlike the PAR
                      phase, the AFM texture reveals an intermittent dynamics with
                      avalanches as in martensites. When cooled down across the
                      superconducting transition temperature Tc, the AFM phase
                      goes through an anomalous slowing behavior, suggesting a
                      direct relationship between the atomic motions in the AFM
                      phase and the superconductivity. In addition to providing
                      compelling evidence of avalanchelike dynamics in a layered
                      superconductor, the results provide a basis for different
                      theoretical models to describe the quantum states in
                      inhomogeneous solids.},
      cin          = {DOOR ; HAS-User / FS-PET-S},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PET-S-20190712},
      pnm          = {6212 - Quantum Condensed Matter: Magnetism,
                      Superconductivity (POF3-621) / 6G3 - PETRA III (POF3-622)},
      pid          = {G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6G3},
      experiment   = {EXP:(DE-H253)P-P10-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000510386600001},
      doi          = {10.1103/PhysRevB.101.020508},
      url          = {https://bib-pubdb1.desy.de/record/454453},
}