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Low-frequency noise characterization of strained germanium pMOSFETs
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Simoen, E. (Eddy), Mitard, J., De Jaeger, B., Eneman, G., Dobbie, A. (Andrew), Myronov, Maksym, Whall, Terry E., Leadley, D. R. (David R.), Meuris, M., Hoffmann, T. and Claeys, C. (2011) Low-frequency noise characterization of strained germanium pMOSFETs. IEEE Transactions on Electron Devices, Vol.58 (No.9). pp. 3132-3139. doi:10.1109/TED.2011.2160679
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Official URL: http://dx.doi.org/10.1109/TED.2011.2160679
Abstract
Low-frequency noise in strained Ge epitaxial layers, which are grown on a reverse-graded relaxed SiGe buffer layer, has been evaluated for different front-end processing conditions. It has been shown that the 1/f noise in strong inversion is governed by trapping in the gate oxide (number fluctuations) and not affected by the presence of compressive strain in the channel. However, some impact has been found from the type of halo implantation used, whereby the lowest noise spectral density and the highest hole mobility are obtained by replacing the standard As halo by P implantation. At the same time, omitting the junction anneal results in poor device characteristics, which can be understood by considering the presence of a high density of nonannealed implantation damage in the channel and the gate stack near the source and the drain.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Germanium, Metal oxide semiconductor field-effect transistors | ||||
| Journal or Publication Title: | IEEE Transactions on Electron Devices | ||||
| Publisher: | I E E E | ||||
| ISSN: | 0018-9383 | ||||
| Official Date: | September 2011 | ||||
| Dates: |
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| Date of first compliant deposit: | 18 December 2015 | ||||
| Volume: | Vol.58 | ||||
| Number: | No.9 | ||||
| Page Range: | pp. 3132-3139 | ||||
| DOI: | 10.1109/TED.2011.2160679 | ||||
| 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) | ||||
| Grant number: | EP/F031408/1 (EPSRC), 216171 (FP7) |
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