Phonon drag of electrons in Ag{sub 2}S
- Academy of Sciences of Azerbaijan, Institute of Physics (Azerbaijan)
The temperature dependences of the heat-conductivity coefficient {chi} and the thermopower 6h of Ag{sub 2}S are investigated in the range of 4.2-300 K. It is found that the value of 6h sharply increases (6h {infinity} T{sup -3}) with decreasing T at T < 100 K and passes through a maximum at 16-18 K. The heat-conductivity coefficient passes through a maximum at {approx}30 K. The sharp increase in 6h is found to be caused by the effect of long-wavelength-phonon drag of electrons. It is shown that the shift of the 6h and {chi} peaks, as well as the temperature dependence of the phonon thermopower 6h{sub ph} {infinity} T{sup -3}, agrees with the Herring theory.
- OSTI ID:
- 21562283
- Journal Information:
- Semiconductors, Vol. 44, Issue 6; Other Information: DOI: 10.1134/S1063782610060084; Copyright (c) 2010 Pleiades Publishing, Ltd.; ISSN 1063-7826
- Country of Publication:
- United States
- Language:
- English
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