Distribution Coefficients and Carrier Mobilities in InSb

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Abstract
The following distribution coefficients have been measured for InSb crystals pulled from the melt at an extraction rate of 1.3 cm/hr and rotation rate of 130 rpm: Cd, 0.26; Zn, 3.38; Se, 0.17; Te, 0.54. The distribution coefficient for zinc has been found to vary with extraction and rotation rates in the manner predicted by the theory of Burton, Prim, and Slichter. Hall mobilities at 77°K have been measured for uncompensated samples containing impurity concentrations between 1015 and 1019 cm−3. Mobilities calculated from scattering theory are in moderately good agreement with the experimental values for n‐type samples, but the agreement is considerably less satisfactory for p‐type samples.

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