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Low noise MgB2 tera...
Low noise MgB2 terahertz hot-electron bolometer mixers
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- Bevilacqua, Stella, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cherednichenko, Serguei, 1970 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Drakinskiy, Vladimir, 1977 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa fler...
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- Stake, Jan, 1971 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Shibata, Hiroyuki (författare)
- Nippon Telegraph and Telephone Corporation
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- Tokura, Yasuhiro (författare)
- Nippon Telegraph and Telephone Corporation
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(creator_code:org_t)
- AIP Publishing, 2012
- 2012
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 100:3
- Relaterad länk:
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http://publications.... (primary) (free)
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We report on low noise terahertz bolometric mixers made of MgB2 superconducting thin films. For a 10-nm-thick MgB2 film, the lowest mixer noise temperature was 600 K at 600 GHz. For 30 to 10-nm-thick films, the mixer gain bandwidth is an inverse function of the film thickness, reaching 3.4 GHz for the 10-nm film. As the critical temperature of the film decreases, the gain bandwidth also decreases, indicating the importance of high quality thin films for large gain bandwidth mixers. The results indicate the prospect of achieving a mixer gain bandwidth as large as 10-8 GHz for 3 to 5-nm-thick MgB2 films.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- HEB
- bolometers
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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