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@ARTICLE{Savchenkov:844471,
      author       = {Savchenkov, P. S. and Alekseev, P. A. and Podlesnyak, A.
                      and Kolesnikov, A. I. and Nemkovski, K. S.},
      title        = {{I}ntermediate-valence state of the {S}m and {E}u in
                      {S}m{B}$_{6}$ and {E}u{C}u$_{2}${S}i$_{2}$ : neutron
                      spectroscopy data and analysis},
      journal      = {Journal of physics / Condensed matter},
      volume       = {30},
      number       = {5},
      issn         = {1361-648X},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2018-01886},
      pages        = {055801 -},
      year         = {2018},
      abstract     = {Magnetic neutron scattering data for Sm (SmB6, Sm(Y)S) and
                      Eu (EuCu2Si2−x Ge x ) intermediate-valence compounds have
                      been analysed in terms of a generalized model of the
                      intermediate-radius exciton. Special attention is paid to
                      the correlation between the average ion's valence and
                      parameters of the low-energy excitation in the neutron
                      spectra, such as the resonance mode, including its magnetic
                      form factor. Along with specific features of the formation
                      of the intermediate-valence state for Sm and Eu ions, common
                      physical mechanisms have been revealed for systems based on
                      these elements from the middle of the rare-earth series. A
                      consistent description of the existing experimental data has
                      been obtained by using the concept of a loosely bound hole
                      for the Eu f-electron shell in the intermediate-valence
                      state, in analogy with the previously established loosely
                      bound electron model for the Sm ion.},
      cin          = {JCNS-FRM-II / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {524 - Controlling Collective States (POF3-524) / 6212 -
                      Quantum Condensed Matter: Magnetism, Superconductivity
                      (POF3-621) / 6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich
                      Centre for Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-524 / G:(DE-HGF)POF3-6212 /
                      G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000422729600001},
      doi          = {10.1088/1361-648X/aaa1aa},
      url          = {https://juser.fz-juelich.de/record/844471},
}