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By combining optical strain-birefringence with stroboscopic illumination, acoustoelectric domains in CdS have been made visible. Domain widths of 50 to 200 μ have been observed in crystals with drift field perpendicular to the C axis. In crystals with E parallel to C axis the domain travels at 30° with respect to C and forms a complex reflection pattern.
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A. R. Moore (1968) studied this question.
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