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IOP Publishing, Journal of Physics: Conference Series, 5(1400), p. 055007, 2019

DOI: 10.1088/1742-6596/1400/5/055007

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Raman spectra of GaSe epitaxial layers grown on GaAs substrates and group-theoretical analysis of their vibrational modes

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract A complete group-theoretical analysis of vibrational modes in ε, β, γ-GaSe polytypes has been performed. Raman spectroscopy data obtained on single crystals of ε-GaSe with a subsequent group-theoretical analysis were used to analyze the Raman spectra low-dimensional GaSe structures. Information was obtained on the structural properties of epitaxial layers and arrays of nanorods of the ε-polytype GaSe grown by molecular beam epitaxy on GaAs (001) substrates.