The Nernst-Ettingshausen coefficient S132 and the magneto-Seebeck coefficient S3322 of pure perfect tellurium crystals can be explained within the temperature range 77 K ≦ T ≦ 200 K neither by pure scattering of the charge carriers at acoustical phonons, ionized impurities, and optical phonons, above and below the Debye temperature nor by mixed scattering at acoustical phonons and neutral impurities. The temperature dependence of the parameter refers to a scattering at optical phonons near the Debye temperature.
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Wd. Eichler (1978) studied this question.
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