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@ARTICLE{Sergueev:202012,
      author       = {Sergueev, I. and Glazyrin, K. and Kantor, I. and McGuire,
                      M. A. and Chumakov, A. I. and Klobes, B. and Sales, B. C.
                      and Hermann, Raphael},
      title        = {{Q}uenching rattling modes in skutterudites with pressure},
      journal      = {Physical review / B},
      volume       = {91},
      number       = {22},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-04301},
      pages        = {224304},
      year         = {2015},
      abstract     = {A high-pressure study of the lattice dynamics in the filled
                      skutterudite Eu0.84Fe4Sb12 was carried out by means of x-ray
                      powder diffraction and nuclear inelastic scattering. The
                      anharmonicity of particular phonon modes was characterized
                      by mode and element specific Grüneisen parameters. The
                      large anharmonicity of the rattling optical mode that is
                      hybridized with the acoustical phonons at ambient pressure
                      is reduced at high pressure as the phonon modes decouple.
                      This result suggests that anharmonic coupling between
                      acoustic and optical phonon modes plays a central role in
                      the reduced thermal conductivity.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {144 - Controlling Collective States (POF3-144) / 542 -
                      Hybrid and Functionalised Structures (POF3-542) / 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)POF3-542 /
                      G:(DE-HGF)POF3-6213 / G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000356129600006},
      doi          = {10.1103/PhysRevB.91.224304},
      url          = {https://juser.fz-juelich.de/record/202012},
}