Journal article
Electrically and optically gate-controlled Schottky/2DEG varactor
IEEE electron device letters, v 21(10), pp 473-475
01 Oct 2000
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A novel gate-controlled varactor is reported. The three-terminal varactor is a modulation-doped heterostructure of AlGaAs/GaAs with two Schottky contacts directly made to a two-dimensional electron gas (2DEG). The third, gate, contact is formed from highly doped n super(+) GaAs material to allow an open optical window that can be used for optical gating and mixing. Structure capacitance is less than 1 pF and a change of more than 30% from the zero bias capacitance is observed with the applied gate voltage. The capacitance also increases proportionally with applied light and inversely with the terminal voltage.
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Details
- Title
- Electrically and optically gate-controlled Schottky/2DEG varactor
- Creators
- Amro Anwar - Drexel UniversityBahram NabetJames Culp
- Publication Details
- IEEE electron device letters, v 21(10), pp 473-475
- Publisher
- The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:000089530200001
- Scopus ID
- 2-s2.0-0034294027
- Other Identifier
- 991019168028504721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Engineering, Electrical & Electronic