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High-pressure Raman and infrared spectroscopic studies of ZrP2O7

Publiceringsår: 2010
Språk: Engelska
Sidor: 235-239
Publikation/Tidskrift/Serie: Solid State Communications
Volym: 150
Nummer: 5-6
Dokumenttyp: Artikel
Förlag: Pergamon-Elsevier Science Ltd


High-pressure Raman and mid-infrared spectroscopic studies were carried out on ZrP2O7 to 23.2 and 13 GPa respectively. In the pressure range 0.7-4.3 GPa the lattice mode at 248 cm(-1) disappears, new modes appear around 380 and 1111 cm(-1) and the strong symmetric stretching mode at 476 cm(-1) softens, possibly indicating a subtle phase transition. Above 8 GPa all the modes broaden, and all of the Raman modes disappear beyond 18 GPa. On decompression from the highest pressure, 23.2, to 0 GPa all of the modes reappear but with larger full width at half maximum. Lattice dynamics of the high temperature phase of ZrP2O7 were studied using first principles method and compared with experimental values. (C) 2009 Elsevier Ltd. All rights reserved.



  • Physical Sciences
  • Natural Sciences
  • reflection
  • Light absorption and
  • high pressure
  • Strain
  • Inelastic light scattering


  • ISSN: 0038-1098

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