Acoustoelectric effects in superlattices using a separate‐medium structure
作者:
M. Tabib‐Azar,
P. Das,
期刊:
Applied Physics Letters
(AIP Available online 1987)
卷期:
Volume 51,
issue 6
页码: 436-438
ISSN:0003-6951
年代: 1987
DOI:10.1063/1.98414
出版商: AIP
数据来源: AIP
摘要:
The interaction of the surface acoustic wave (SAW) with the GaAs/AlAs superlattice is investigated using a separate‐medium convolver structure. The magnitude and polarity of the acoustoelectric voltages exhibit strong temperature and SAW frequency dependences, a phenomenon that is not observed in homogeneous semiconductors. Possible SAW‐superlattice interaction models that tentatively explain the observed data are discussed.
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