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- Fu, Ying,1964Chalmers tekniska högskola,Chalmers University of Technology (author)
AlGaAs/GaAs and InAlAs/InGaAs Heterostructure Barrier Varactors
- Article/chapterEnglish1997
Publisher, publication year, extent ...
- AIP Publishing,1997
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- LIBRIS-ID:oai:research.chalmers.se:f52cc272-25b9-4023-a48a-96553dbee207
- https://doi.org/10.1063/1.366461DOI
- https://research.chalmers.se/publication/10981URI
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- Language:English
- Summary in:English
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- By the Schrödinger and Poisson equations, we have theoretically investigated AlGaAs/GaAs and InAlAs/InGaAs single barrier varactors. The energy band structure, carrier distribution, and conduction current are fully exploited for varactor design. We have explained the experimental current-voltage and capacitance-voltage measurements very well. A simple analytical model for energy band structure is derived based on the Schrödinger and Poisson equation calculation. It is found that a barrier structure of 3 nm Al0.3Ga0.7As/3 nm AlAs/3nm Al0.3Ga0.7As for an Al0.3Ga0.7As/GaAs varactor and a barrier structure of 8 nm In0.52Al0.48As/3 nm AlAs/8 nm In0.52Al0.48As for In0.52Al0.48As/In0.47GaAs are optimal for minimal conduction currents.
Subject headings and genre
- 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
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- physical simulation
- frequency multiplier
- HBV
Added entries (persons, corporate bodies, meetings, titles ...)
- Stake, Jan,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)stake (author)
- Dillner, Lars,1968Chalmers tekniska högskola,Chalmers University of Technology (author)
- Willander, Magnus,1948Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)xwilma (author)
- Kollberg, Erik,1937Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)erikkoll (author)
- Chalmers tekniska högskola (creator_code:org_t)
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- In:Journal of Applied Physics: AIP Publishing82:11, s. 5568-55720021-89791089-7550
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