Acoustoinjection transistor-a new type of electrically controlled transducer

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Acoustoinjection transistor-a new type of electrically controlled transducer

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© The Institution of Electrical Engineers
Published

A new principle of signal amplification is experimentally demonstrated which is based on the effect of modulation of conductivity of a semiconductor due to bunching of electrons by the acoustic wave. For the layered structure LiNbO3-CdSe good agreement between theory and experiment is obtained.

Inspec keywords: surface acoustic wave devices; lithium compounds; transistors; ultrasonic transducers; cadmium compounds; II-VI semiconductors

Other keywords: acoustoinjection transistor; modulation; II-VI semiconductor; electrically controlled transducer; SAW; LiNbO3-CdSe; single amplification

Subjects: Transduction; devices for the generation and reproduction of sound; Acoustic wave devices

References

    1. 1)
      • D.L. White . Amplification of ultrasonic waves in piezoelectric semiconductors. J. Appl. Phys. , 2547 - 2554
    2. 2)
      • G.S. Kino , T.M. Reeder . A normal mode theory for the Rayleigh wave amplifier. IEEE Trans. , 909 - 920
    3. 3)
      • Gulyaev, Yu.V.: 101275, 6 July 1973, USSR patent.
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