Growth and Some Properties of a Large Single Crystal of Cadmium Selenide

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Abstract
Large single crystals of cadmium selenide have been grown under high pressures. A 17 gram crystal has been prepared from pure starting materials. This crystal was found to contain a large excess of cadmium, probably varying in concentration through the length of the crystal. Samples cut from the crystal had low resistivities of about 10—2 ohm‐centimeters. Hall coefficients indicated that the current carriers were electrons in concentrations of 1017 to 1018 cm—3. The resistivity‐temperature curves were characteristic of degenerate semiconductors. Intrinsic conductivity was not observed between —170°C and +100°C.

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