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INFLUENCE OF UMKLAPP PROCESSES ON THE SIGN OF PHONON-DRAG THERMOPOWER IN SEMICONDUCTOR SUPERLATTICES
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UNSPECIFIED (1991) INFLUENCE OF UMKLAPP PROCESSES ON THE SIGN OF PHONON-DRAG THERMOPOWER IN SEMICONDUCTOR SUPERLATTICES. JOURNAL OF PHYSICS-CONDENSED MATTER, 3 (28). pp. 5445-5449.
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Abstract
The phonon-drag thermopower, S(gp), is calculated for semiconductor superlattices, with the temperature gradient parallel to the superlattice axis, taking account of electron-phonon Umklapp processes. S(gp) changes sign when the Fermi energy reaches the top of the miniband. The anomalous behaviour is attributed to the inclusion of U-processes.
Item Type: | Journal Item | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF PHYSICS-CONDENSED MATTER | ||||
Publisher: | IOP PUBLISHING LTD | ||||
ISSN: | 0953-8984 | ||||
Official Date: | 15 July 1991 | ||||
Dates: |
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Volume: | 3 | ||||
Number: | 28 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 5445-5449 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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