Phys. Rev. B 73, 115211 (2006) - Raman scattering study of wurtzite and rocksalt InN under high pressure

Raman scattering study of wurtzite and rocksalt InN under high pressure

C. Pinquier, F. Demangeot, J. Frandon, J.-C. Chervin, A. Polian, B. Couzinet, P. Munsch, O. Briot, S. Ruffenach, B. Gil, and B. Maleyre

Phys. Rev. B 73, 115211 – Published 30 March 2006

Abstract

Indium nitride under high pressure (up to $50 GPa$ ) was analyzed by means of Raman spectroscopy. The wurtzite to rocksalt phase transition was evidenced at the pressure of $13.5 \pm 0.5 GPa$ and the pressure dependence of vibration modes of both structures was investigated, leading to the determination of linear pressure coefficients and mode Grüneisen parameters. Influence of the pressure dependence of the energy gap on the spectra intensity is also discussed.

Received 9 January 2006

DOI:https://doi.org/10.1103/PhysRevB.73.115211

©2006 American Physical Society

Authors & Affiliations

C. Pinquier, F. Demangeot, and J. Frandon

Laboratoire de Physique des Solides, CNRS-UMR 5477, IRSAMC, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 4, France

J.-C. Chervin, A. Polian, B. Couzinet, and P. Munsch

Physique des Milieux Denses, IMPMC, CNRS-UMR 7590, Université Pierre et Marie Curie, 140 rue de Lourmel, 75015 Paris, France

O. Briot, S. Ruffenach, B. Gil, and B. Maleyre

Groupe d’Etude des Semiconducteurs, Université Montpellier II, Case Courrier 074, 34095 Montpellier Cedex 5, France

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Issue

Vol. 73, Iss. 11 — 15 March 2006

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