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VOLUME 27 (1978) | ISSUE 7 | PAGE 392
Photo-ferroelectric noise effect. Observation and investigation
A new photo-ferroelectric effect has been observed, and was named by us photo-ferroelectric noise. Its gist is that when Á Ó-domain ÷Áôà3 single crystal is illuminated, there appears on electrodes deposited on the (001) face a fluctuating voltage in a wide frequency range, greatly exceeding the thermal-noise level. Some singularities of the phenomenon are investigated and its possible mechanisms are considered.