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Kalstalskii has recently reported a new current instability in n-type germanium at low fields and low temperatures. This letter shows that a theoretical calculation based on the equivalent intervalley transfer between [111] minima yields results that agree very well with the experimental observations. The treatment is based on Boltzmann's equation. The drifted Maxwellian distribution function is assumed.
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DeBiasi et al. (1970) studied this question.
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