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Effect of interference between the electron-impurity and electron-phonon interactions upon the thermoelectric properties of alloys

โœ Scribed by Jerome J. Krempasky; Albert Schmid

Publisher
Springer US
Year
1979
Tongue
English
Weight
770 KB
Volume
34
Category
Article
ISSN
0022-2291

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โœฆ Synopsis

We calculate the thermoelectric power of a metal by considering particularly the particle-hole transformation symmetry. If there is complete symmetry with respect to this transformation, the thermopower is absent. However, the electron-phonon and the electron-impurity interactions are intrinsically such that they change sign under this transformation. Thus a finite thermopower arises due to an interference between different orders in a perturbation expansion in these interactions.

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## Abstract The temperature dependences of the shapes, widths, positions, and intensities of the zeroโ€phonon lines in the fluorescence spectra of 1.12โ€benzperylene and coronene in a normal hexane matrix are investigated experimentally. The results obtained are discussed in terms of the theory of th