Ultrasound attenuation in quasi-two-dimensional semiconductor quantum-well structures

Ultrasound attenuation by electrons is considered for a quasi-two-dimensional semiconductor quantum-well structure. The attenuation coefficient, α, is calculated quantum mechanically and found to vary with the width of the quantum well. It is found that the attenuation can be enhanced over its value...

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Bibliographic Details
Published in:Journal of applied physics 1992, Vol.71 (9), p.4635-4637
Main Authors: RODRIGUES, C, NUNES, O. A. C
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties
Physics
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:Ultrasound attenuation by electrons is considered for a quasi-two-dimensional semiconductor quantum-well structure. The attenuation coefficient, α, is calculated quantum mechanically and found to vary with the width of the quantum well. It is found that the attenuation can be enhanced over its value in a bulk semiconductor as the thickness of the quantum well decreases.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.350769