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The application of the photoacoustic transmittance oscillations for determining elastic constants in gallium and indium selenides

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	Ferrer Roca, Chantal; Segura García del Río, Alfredo; Andrés, Miguel V. Perfil; Muñoz Sanjosé, Vicente; Pellicer Porres, Julio
	This document is a artículo publicadoDate1996
	Este documento está disponible también en : http://hdl.handle.net/10550/12876
	Transmittance periodic oscillations are observed in GaSe and InSe on excitation with optical pulses. Such oscillations are explained in terms of photoacoustic generation of dilatational waves, which become resonant within the crystal. Spectral analysis of those oscillations in samples of different thickness has led to an accurate determination of the longitudinal acoustic‐wave velocity along the crystallographic axis c.... [Leer más...] [-] Transmittance periodic oscillations are observed in GaSe and InSe on excitation with optical pulses. Such oscillations are explained in terms of photoacoustic generation of dilatational waves, which become resonant within the crystal. Spectral analysis of those oscillations in samples of different thickness has led to an accurate determination of the longitudinal acoustic‐wave velocity along the crystallographic axis c.
	FERRER, Ch. ; SEGURA, A. ; ANDRÉS, M.V. ; PELLICER, J. The application of the photoacoustic transmittance oscillations for determining elastic constants in gallium and indium selenides. En: Journal of Applied Physics, 1996, vol. 79, no. 6 https://doi.org/10.1063/1.361219