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  • Fu, Ying, 1964, et al. (author)
  • Capacitance Analysis for AlGaAs/GaAs and InAlAs/InGaAs Heterostructure Barrier Varactor Diodes
  • 1998
  • In: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 83:3, s. 1457-1462
  • Journal article (peer-reviewed)abstract
    • By self-consistently solving Schro¨dinger and Poissons equations, we have investigated the capacitances of AlGaAs/GaAs and InAlAs/InGaAs heterostructure barrier varactors. When compared with semiclassical particle model, quantum mechanics show that the maximal capacitance of the varactor is saturated when the spacer and barrier are thin. When the spacer and barrier are very thick, both the quantum mechanics and semiconductor particle approach result in the same conclusion, namely, the maximal capacitance is inversely proportional to the sum of the spacer and barrier thicknesses. We have also shown that the maximal capacitance increases for high carrier effective mass.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Stake, Jan, 1971 (1)
Willander, Magnus, 1 ... (1)
Dillner, Lars, 1968 (1)
Kollberg, Erik, 1937 (1)
Fu, Ying, 1964- (1)
University
Chalmers University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Engineering and Technology (1)
Year
1998 (1)

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