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@ARTICLE{Simon:172580,
      author       = {Simon, Ronnie and Sergueev, I. and Kantor, I. and Kantor,
                      A. and Perßon, J. and Hermann, R. P.},
      title        = {121 {S}b and 125 {T}e nuclear inelastic scattering in {S}b
                      2 {T}e 3 under high pressure424},
      journal      = {Semiconductor science and technology},
      volume       = {29},
      number       = {12},
      issn         = {1361-6641},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2014-06043},
      pages        = {124001 -},
      year         = {2014},
      abstract     = {We investigated the lattice dynamics of Sb2Te3 under high
                      pressure using 121Sb and 125Te nuclear inelastic scattering
                      of synchrotron radiation. We measured the room temperature
                      121Sb and 125Te inelastic spectra at 15(1) GPa and 77(3) GPa
                      and extracted the Te and Sb element specific density of
                      phonon states of δ-Sb2Te3 at 77(3) GPa. X-ray diffraction
                      confirms the sample to be in the cubic δ-Sb2Te3 phase with
                      space group $Im\bar{3}m$ and lattice constant
                      $a=3.268(4)\;\overset{\circ}{A} $. The total density of
                      phonon states of δ-Sb2Te3 strongly resembles the one of
                      amorphous GeSb2Te4, suggesting the presence of covalent
                      bonding in contrast to the resonance bonding in α-Sb2Te3.
                      From the density of phonon states of δ-Sb2Te3 a mean speed
                      of sound of 2.61(6) ${\rm km}\ {{{\rm s}}^{-1}}$ and Debye
                      temperatures of 278(10) K for Te and 296(10) K for Sb were
                      determined.},
      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          = {422 - Spin-based and quantum information (POF2-422) / 424 -
                      Exploratory materials and phenomena (POF2-424) / 542 -
                      Neutrons (POF2-542) / 544 - In-house Research with PNI
                      (POF2-544) / 54G - JCNS (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-422 / G:(DE-HGF)POF2-424 /
                      G:(DE-HGF)POF2-542 / G:(DE-HGF)POF2-544 /
                      G:(DE-HGF)POF2-54G24},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345454900003},
      doi          = {10.1088/0268-1242/29/12/124001},
      url          = {https://juser.fz-juelich.de/record/172580},
}