The results of high electric field experiments on p-type InSb at 77^∘{}K are described. It is shown that electron-hole pair creation occurs at electric fields greater than 700 volts/cm. When a sufficient number of pairs are created the Hall coefficient changes from positive to negative. The question of whether holes or possible injected electrons initiate the pair creation is examined in detail. An incipient negative resistance effect in transverse magnetic fields and the absence of any self-pinch effects are also discussed.
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Steele et al. (1960) studied this question.
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