The drift velocity of hot electrons itinerant two dimensionally in a semiconductor quantum-well structure is calculated at different lattice temperatures on a displaced Maxwellian model. Interactions with deformation potential acoustic and polar optic phonons are considered using the analytic expressions obtained on the basis of a momentum conservation approximation. Contrary to a previous prediction, no negative differential resistance is obtained.
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Chattopadhyay et al. (1983) studied this question.
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