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- Indykiewicz, Kornelia,1986Chalmers tekniska högskola,Chalmers University of Technology (author)
Current-induced enhancement of photo-response in graphene THz radiation detectors
- Article/chapterEnglish2022
Publisher, publication year, extent ...
- AIP Publishing,2022
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:research.chalmers.se:e3617110-9e4e-47e0-9c3c-3ce096572d93
- https://research.chalmers.se/publication/533351URI
- https://doi.org/10.1063/5.0117818DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- Thermoelectric readout in a graphene terahertz (THz) radiation detector requires a p-n junction across the graphene channel. Even without an intentional p-n junction, two latent junctions can exist in the vicinity of the electrodes/antennas through the proximity to the metal. In a symmetrical structure, these junctions are connected back-to-back and therefore counterbalance each other with regard to rectification of the ac signal. Because of the Peltier effect, a small dc current results in additional heating in one and cooling in another p-n junction, thereby breaking the symmetry. The p-n junctions then no longer cancel, resulting in a greatly enhanced rectified signal. This allows simplifying the design and controlling the sensitivity of THz radiation detectors.
Subject headings and genre
- NATURVETENSKAP Fysik Acceleratorfysik och instrumentering hsv//swe
- NATURAL SCIENCES Physical Sciences Accelerator Physics and Instrumentation hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Signalbehandling hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing 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
Added entries (persons, corporate bodies, meetings, titles ...)
- Bray, C.Centre national de la recherche scientifique (CNRS) (author)
- Consejo, C.Centre national de la recherche scientifique (CNRS) (author)
- Teppe, F.Centre national de la recherche scientifique (CNRS) (author)
- Danilov, S.Universität Regensburg,University of Regensburg (author)
- Ganichev, S. D.Universität Regensburg,University of Regensburg,Polish Academy of Sciences (author)
- Yurgens, Avgust,1959Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)yurgens (author)
- Chalmers tekniska högskolaCentre national de la recherche scientifique (CNRS) (creator_code:org_t)
Related titles
- In:AIP Advances: AIP Publishing12:112158-32262158-3226
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