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VOLUME 28 (1978) | ISSUE 2 | PAGE 80
Observation of a photo-emf that depends on the sign of the circular polarization of the light
A new photogalvanic effect, predicted by Ivchenko and Pikus [JETP Lett. 27, 604 (1978)], has been observed. When a tellurium crystal oriented along the C3 axis was exposed to C02-laser radiation a photo-emf was observed, which reversed sign with reversal of the circular polarization of the light. The magnitude of the effect agrees with the theoretical estimates.