Direct evidence for a piezoelectriclike effect in coherently strained SiGe/Si heterostructures
作者:
V. I. Khizhny,
O. A. Mironov,
E. H. C. Parker,
P. J. Phillips,
T. E. Whall,
M. J. Kearney,
期刊:
Applied Physics Letters
(AIP Available online 1996)
卷期:
Volume 69,
issue 7
页码: 960-962
ISSN:0003-6951
年代: 1996
DOI:10.1063/1.117095
出版商: AIP
数据来源: AIP
摘要:
A hybrid acoustic spectroscopy technique has been used to demonstrate the (reversible) conversion of high frequency electric fields into longitudinal acoustic waves within a modulation‐doped pseudomorphic Si/Si0.88Ge0.12/Si heterostructure. This provides compelling evidence for the existence of a piezoelectriclike coupling within such structures. ©1996 American Institute of Physics.
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