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Ultra high hole mobilities in a pure strained Ge quantum well
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Mironov, O. A., Hassan, A. H. A., Morris, R. J. H. (Richard J. H.), Dobbie, A. (Andrew), Uhlarz, M., Chrastina, Daniel, Hague, J. P., Kiatgamolchai, S., Beanland, R., Gabani, S., Berkutov, I. B., Helm, Manfred, Drachenko, O., Myronov, Maksym and Leadley, D. R. (David R.) (2014) Ultra high hole mobilities in a pure strained Ge quantum well. Thin Solid Films, Volume 557 . pp. 329-333. doi:10.1016/j.tsf.2013.10.118
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Official URL: http://dx.doi.org/10.1016/j.tsf.2013.10.118
Abstract
Hole mobilities at low and room temperature (RT) have been studied for a strained sGe/SiGe heterostructure using standard Van der Pauw resistivity and Hall effect measurements. The range of magnetic field and temperatures used were − 14 T < B < + 14 T and 1.5 K < T < 300 K respectively. Using maximum entropy-mobility spectrum analysis (ME-MSA) and Bryan's algorithm mobility spectrum (BAMS) analysis, a RT two dimensional hole gas drift mobility of (3.9 ± 0.4) × 103 cm2/V s was determined for a sheet density (ps) 9.8 × 1010 cm− 2 (by ME-MSA) and (3.9 ± 0.2) × 103 cm2/V s for a sheet density (ps) 5.9 × 1010 cm− 2 (by BAMS).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Quantum wells, Thin films | ||||
| Journal or Publication Title: | Thin Solid Films | ||||
| Publisher: | Elsevier S.A. | ||||
| ISSN: | 0040-6090 | ||||
| Official Date: | 30 April 2014 | ||||
| Dates: |
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| Volume: | Volume 557 | ||||
| Page Range: | pp. 329-333 | ||||
| DOI: | 10.1016/j.tsf.2013.10.118 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), European Union (EU), Hochfeld-Magnetlabor Dresden (HLD), Slovak Research and Development Agency (SRDA), Centrum fyziky nízkych teplôt a materiálového výskumu v extrémnych podmienkach (CFNT MVEP), Slovakia, Deutsche Forschungsgemeinschaft (DFG) | ||||
| Grant number: | 228043 (EU), APVV-0132-11, VEGA-0106-13, DR832/3-1 (DFG) |
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