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Euroasian Journal of Semiconductors Science and Engineering

Article Title

INFLUENCE OF ULTRASONIC WAVES ON THE PHOTOELECTRIC AND SPECTRAL CHARACTERISTICS OF SI-PHOTODETECTORS

Abstract

The paper considers the influence of ultrasonic fields on the photoelectric and spectral characteristics of diffusion Si-receivers of electromagnetic radiation. It was found that ultrasonic irradiation increases the lifetime, diffusion length of carriers and, as a consequence, increases the efficiency of collecting carriers on the electrical contacts of Si-receivers. As a result of these processes, an increase in the value of the short-circuit current is observed, which causes an increase in the open circuit voltage and the efficiency of such a diffusion Si-structure operating in the photo reformation mode.

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