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High-pressure Raman and infrared spectroscopic studies of ZrP2O7

På svenska

Author

  • E. A. Petruska
  • D. V. S. Muthu
  • Stefan Carlson
  • A. M. Krogh Andersen
  • L. Ouyang
  • M. B. Kruger

Summary, in English

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.

Department/s

Publishing year

2010

Language

English

Pages

235-239

Publication/Series

Solid State Communications

Volume

150

Issue

5-6

Document type

Journal article

Publisher

Pergamon Press Ltd.

Topic

  • Physical Sciences
  • Natural Sciences

Keywords

  • reflection
  • Light absorption and
  • high pressure
  • Strain
  • Inelastic light scattering

Status

Published

ISBN/ISSN/Other

  • ISSN: 1879-2766