Raman Scattering Study of the Alpha-Beta Phase Transition in Quartz

Phys. Rev. Lett. 19, 361 – Published 14 August 1967
Stephen M. Shapiro, Donald C. O'Shea, and Herman Z. Cummins

Abstract

The Raman spectrum of crystalline quartz has been studied at temperatures between -196 and 615°C. A weak mode of symmetry A1 with room-temperature Raman shift of 147 cm-1 is found to grow in intensity and move towards zero Raman shift as the alpha-beta transition is approached. This mode, rather than the 207-cm-1 mode, appears to play the fundamental role in the phase transition. The temperature dependence of the Raman shift of the new mode is given by ν2|T-Tc|γ with 0.4<~γ<~0.5.

DOI: http://dx.doi.org/10.1103/PhysRevLett.19.361

  • Received 19 June 1967
  • Published in the issue dated 14 August 1967

© 1967 The American Physical Society

Authors & Affiliations

Stephen M. Shapiro, Donald C. O'Shea, and Herman Z. Cummins

  • Department of Physics, The Johns Hopkins University, Baltimore, Maryland

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