Abstract
The propagation of microwaves in piezoelectric semiconductors irradiated with an acoustic field has been discussed. It has been shown that the acoustic wave produces appreciably large variation in the carrier concentration in a piezoelectric semiconductor as opposed to a nonpiezoelectric semiconductor. Consequently, the microwaves propagating through such piezoelectric semiconductors get modulated. The resulting sum and difference microwave frequencies do not have the same magnitude. This modulation of the difference frequency under optimum conditions is found to be of the order of 3% in cadmium sulfide, and is measurable. This measurement can be used to determine the piezoelectric constant of a semiconductor.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
8 articles.
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