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The thermoelectric power S of the alkali metals has been measured under pressures up to 3000 atmospheres at room temperature. A pressure of about 400 atmospheres causes S to change sign in caesium. The results are discussed in terms of the distortion of the Fermi surface under pressure. A relationship between S and the pressure coefficient of electrical resistivity is noted.
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Dugdale et al. (1961) studied this question.
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