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Superconducting platinum silicide for electron cooling in silicon
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Prest, M. J. (Martin J.), Richardson-Bullock, J. S., Zhao, Q. T., Muhonen, J. T., Gunnarsson, David, Prunnila, Mika, Shah, V. A., Whall, Terry E., Parker, Evan H. C. and Leadley, D. R. (David R.) (2015) Superconducting platinum silicide for electron cooling in silicon. Solid-State Electronics, Volume 103 . pp. 15-18. doi:10.1016/j.sse.2014.09.003 ISSN 0038-1101.
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Official URL: http://dx.doi.org/10.1016/j.sse.2014.09.003
Abstract
We demonstrate electron cooling in silicon using platinum silicide as a superconductor contact to selectively remove the highest energy electrons. The superconducting critical temperature of bulk PtSi is reduced from around 1 K to 0.79 K by using a thin film (10 nm) of PtSi, which enhances cooling performance at lower temperatures. We use an electron cooling model to infer that electrons in silicon are cooled from 100 mK to 50 mK in such a device.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Journal or Publication Title: | Solid-State Electronics | ||||||||||
Publisher: | Elsevier | ||||||||||
ISSN: | 0038-1101 | ||||||||||
Official Date: | January 2015 | ||||||||||
Dates: |
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Volume: | Volume 103 | ||||||||||
Page Range: | pp. 15-18 | ||||||||||
DOI: | 10.1016/j.sse.2014.09.003 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access |
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