High breakdown voltage AlAs/InGaAs quantum barrier varactor diodes |
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Authors: | Reddy VK Neikirk DP |
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Affiliation: | Texas Univ., Austin, TX, USA; |
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Abstract: | Data are presented on single quantum barrier AlAs/In/sub 0.53/Ga/sub 0.47/As varactor diodes intended as submillimetre wavelength frequency multipliers that exhibit extremely high breakdown voltage and excellent capacitance modulation characteristics. Record breakdown voltages as high as 12 V were achieved with a composite 50AA/50AA/50AA thick In/sub 0.52/Al/sub 0.48//AlAs/In/sub 0.52/Al/sub 0.48/As barrier sandwiched between 3000 AA(1.2*10/sup 17/ cm/sup -3/) In/sub 0.53/Ga/sub 0.47/As depletion regions.<> |
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