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  Vibrational properties of ZnTe at high pressures

Camacho, J., Loa, I., Cantarero, A., & Syassen, K. (2002). Vibrational properties of ZnTe at high pressures. Journal of Physics: Condensed Matter, 14(4), 739-757.

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 Creators:
Camacho, J.1, Author           
Loa, I.1, Author           
Cantarero, A., Author
Syassen, K.1, 2, Author           
Affiliations:
1Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370501              
2Department Solid State Quantum Electronics (Jochen Mannhart), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370485              

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 Abstract: Raman spectra of ZnTe were measured under hydrostatic pressures
up to 15 GPa at T = 300 K. Results for the frequencies of
first- and second-order Raman features of the zincblende phase
(0-9.5 GPa) are used to set up a rigid-ion model of the phonon
dispersion relations under pressure. Calculated phonon
densities of states, mode Gruneisen parameters and the thermal
expansion coefficient as a function of pressure are discussed.
The effect of pressure on the widths and intensities of Raman
spectral features is considered. Raman spectra of high-pressure
phases of ZnTe are reported. These spectra indicate the
possible existence of a new phase near 13 GPa, intermediate
between the cinnabar and orthorhombic (Cmcm) phases of ZnTe.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 7387
ISI: 000174135200016
 Degree: -

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Title: Journal of Physics: Condensed Matter
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 14 (4) Sequence Number: - Start / End Page: 739 - 757 Identifier: ISSN: 0953-8984