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Thermoelectric Power of Liquid Germanium and Tin
Author(s) -
Bath A.,
Hugel J.,
Kleim R.
Publication year - 1985
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221280244
Subject(s) - germanium , tin , seebeck coefficient , pseudopotential , thermoelectric effect , electrical resistivity and conductivity , materials science , condensed matter physics , germanium compounds , thermoelectric materials , thermodynamics , metallurgy , physics , silicon , quantum mechanics
Measurements of the absolute thermopower S of liquid germanium and tin are reported. It is found that S = −0.5 μV/K for Ge at the melting temperature and S = −1.5 μV/K for Sn at 900 °C. Calculations of the resistivity and the thermoelectric power performed in the framework of Ziman's nearly‐free electron theory, using the pseudopotential approach and the t ‐matrix formulation, lead to reasonable agreement with experiment.