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@ARTICLE{Parshin:827463,
      author       = {Parshin, P. P. and Chumakov, A. I. and Alekseev, P. A. and
                      Nemkovskiy, Kirill and Dubrovinskii, L. and Kantor, A. and
                      Persson, Jörg and Rüffer, R.},
      title        = {{P}eculiarities of {F}e{S}i phonon spectrum induced by a
                      change of atomic volume},
      journal      = {Journal of experimental and theoretical physics},
      volume       = {123},
      number       = {6},
      issn         = {1090-6509},
      address      = {Heidelberg [u.a.]},
      publisher    = {Springer},
      reportid     = {FZJ-2017-01588},
      pages        = {1073 - 1083},
      year         = {2016},
      abstract     = {We analyze in detail the results of experimental
                      investigations of the evolution of the thermal vibration
                      spectra for iron atoms in iron monosilicide FeSi depending
                      on two external parameters, viz., temperature T (in the
                      range 46–297 K at pressure P = 0.1 MPa) and pressure P (in
                      the range 0.1 MPa–43 GPa at temperature T = 297 K),
                      obtained by nuclear inelastic scattering of synchrotron
                      radiation. The decrease of the atomic volume is accompanied
                      by a rearrangement of the phonon spectrum, which is
                      manifested, in particular, in the splitting of the
                      low-energy peak in the spectrum and in an increase of the
                      energy for all phonons. The changes of the average energy of
                      the iron atom vibrational spectrum and of the Debye energy
                      with decreasing atomic volume are analyzed. Different
                      versions of FeSi electron spectrum variation, which can be
                      used to explain the observed phonon anomalies, are
                      considered.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; 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)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000392931300018},
      doi          = {10.1134/S1063776116110170},
      url          = {https://juser.fz-juelich.de/record/827463},
}