Journal ArticleDOI
Acoustoelectric u.h.f. oscillator: frequency modulation
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In this paper, the authors describe some characteristics of an oscillator based upon the acoustoelectric interaction in piezoelectrics, and make particular reference to frequency modulation and related-device applications.Abstract:
This letter describes some characteristics of an oscillator based upon the acoustoelectric interaction in piezoelectric semiconductors—the acoustoelectric oscillator. Particular reference is made to frequency modulation and to related-device applications.read more
Citations
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Journal ArticleDOI
High-frequency acoustoelectric currents and departures from Ohm's law in thin platelets of CdS I. Linear behaviour
J D Maines,E G S Paige +1 more
TL;DR: In this article, high-frequency currents associated with thin photoconducting cadmium sulphide platelets having flat and parallel faces are reported under conditions when round-trip gain due to acousto-electric amplification is achieved.
Book ChapterDOI
Acoustoelectric Effects in Piezoelectric Semiconductors with main Emphasis on CdS and ZnO
N. I. Meyer,M. H. Jørgensen +1 more
TL;DR: A review of physical effects in piezoelectric semiconductors originating in the relative strong coupling between the electronic and sound wave systems is given in this paper, where sound amplification, non-electronic losses, effects of free carrier trapping, and a number of strong non-linear effects such as current saturation, current oscillations, and traveling high field and flux domains are discussed.
Journal ArticleDOI
Subharmonic generation of acoustic flux in GaAs
M. Schulz,B.K. Ridley +1 more
TL;DR: In this article, the authors found that subharmonic generation may inhibit the formation of sonic and subsonic domains in GaAs by current noise measurements, and they also found that the generation of sub-harmonic acoustic waves has been found in GaA by current measurements.
Journal ArticleDOI
Gigahertz acousto-electric oscillations in zinc oxide
TL;DR: In this paper, an acousto-electric excitation of the vibrational modes of the platelet was found to be responsible for the anomalous current in the 1 to 5 GHz range.
Journal ArticleDOI
A room temperature ZnO acoustoelectric microwave oscillator
TL;DR: In this paper, the authors presented results for ZnO acoustoelectric oscillators at room temperature of resistivities from 100 Ω cm to 104 ǫ cm, where the oscillations were divided into three different types depending on the thickness and conductivity of the sample in question.