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Quantum interference effects in p-Si1-x Ge (x) quantum wells
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Leadley, D. R. (David R.), Andrievskii, V. V., Berkutov, I. B., Komnik, Y. F., Hackbarth, T. and Mironov, O. A. (2010) Quantum interference effects in p-Si1-x Ge (x) quantum wells. In: 9th International Conference on Research in High Magnetic Fields (RHMF 2009), Dresden, Germany, July 22-25, 2009. Published in: Journal of Low Temperature Physics, Vol.159 (No.1-2). pp. 230-233. doi:10.1007/s10909-009-0120-8 ISSN 0022-2291.
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Official URL: http://dx.doi.org/10.1007/s10909-009-0120-8
Abstract
Quantum interference effects, such as weak localization and electron-electron interaction (EEI), have been investigated in magnetic fields up to 11 T for hole gases in a set of Si1-x Ge (x) quantum wells with 0.13 < x < 0.95. The temperature dependence of the hole phase relaxation time has been extracted from the magneto-resistance between 35 mK and 10 K. The spin-orbit effects that can be described within the Rashba model were observed in low magnetic fields. A quadratic negative magneto-resistance was observed in strong magnetic fields, due to the EEI effect. The hole-phonon scattering time was determined from hole overheating in a strong magnetic field.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | Quantum wells, Quantum interference -- Research, Silicon compounds, Germanium compounds, Electron-phonon interactions | ||||
Journal or Publication Title: | Journal of Low Temperature Physics | ||||
Publisher: | Springer New York LLC | ||||
ISSN: | 0022-2291 | ||||
Official Date: | April 2010 | ||||
Dates: |
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Volume: | Vol.159 | ||||
Number: | No.1-2 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 230-233 | ||||
DOI: | 10.1007/s10909-009-0120-8 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Description: | Proceedings of the 2009 International Conference on Research at High Magnetic Fields (RHMF 2009). |
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Conference Paper Type: | Paper | ||||
Title of Event: | 9th International Conference on Research in High Magnetic Fields (RHMF 2009) | ||||
Type of Event: | Conference | ||||
Location of Event: | Dresden, Germany | ||||
Date(s) of Event: | July 22-25, 2009 | ||||
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