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Theory of magnetoresistive and thermomagnetic effects with electron scattering by optical phonons in semiconductors

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Abstract

The magnetoresistance and transverse Nernst-Ettingshausen effect in classical magnetic fields are calculated for the case of low-temperature scattering of electrons by optical phonons. It is shown that even though the electron relaxation time does not depend on the energy, not only are the indicated effects still possible, they can have a magnitude much greater than for other scattering mechanisms.

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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No.2, pp. 116–120, February, 1976.

The author is indebted to V. L. Bonch-Bruevich and A. G. Mironov for a useful discussion.

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Épshtein, É.M. Theory of magnetoresistive and thermomagnetic effects with electron scattering by optical phonons in semiconductors. Soviet Physics Journal 19, 226–230 (1976). https://doi.org/10.1007/BF00942873

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  • DOI: https://doi.org/10.1007/BF00942873

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