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Strain dependence of electron-phonon energy loss rate in many-valley semiconductors
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Muhonen, Juha, Prest, M. J. (Martin J.), Prunnila, Mika, Gunnarsson, David, Shah, V. A., Dobbie, A. (Andrew), Myronov, Maksym, Morris, R. J. H. (Richard J. H.), Whall, Terry E., Parker, Evan H. C. and Leadley, D. R. (David R.) (2011) Strain dependence of electron-phonon energy loss rate in many-valley semiconductors. Applied Physics Letters, Vol.98 (No.18). p. 182103. doi:10.1063/1.3579524
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Official URL: http://dx.doi.org/10.1063/1.3579524
Abstract
We demonstrate significant modification of the electron-phonon energy loss rate in a many-valley semiconductor system due to lattice mismatch induced strain. We show that the thermal conductance from the electron system to the phonon bath in strained n+Si, at phonon temperatures between 200 and 480 mK, is more than an order of magnitude lower than that for a similar unstrained sample.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Semiconductors, Electron-phonon interactions, Energy dissipation | ||||
| Journal or Publication Title: | Applied Physics Letters | ||||
| Publisher: | American Institute of Physics | ||||
| ISSN: | 0003-6951 | ||||
| Official Date: | 2 May 2011 | ||||
| Dates: |
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| Volume: | Vol.98 | ||||
| Number: | No.18 | ||||
| Page Range: | p. 182103 | ||||
| DOI: | 10.1063/1.3579524 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Seventh Framework Programme (European Commission) (FP7/2007-2013) | ||||
| Grant number: | EP/F040784/1 (EPSRC), 216176 (FP7), 256959 (FP7), 257375 (FP7), 228464 (FP&) |
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