GaAs Single Electron Transistors Fabricated by Selective Area Metalorganic Vapor Phase Epitaxy and Their Application to Single Electron Logic Circuits
- 1 January 1999
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 38 (1S)
- https://doi.org/10.1143/jjap.38.415
Abstract
GaAs single electron transistors (SETs) are successfully fabricated using selectively grown GaAs/AlGaAs modulation doped structures by metalorganic vapor phase epitaxy (MOVPE) on (001) GaAs masked substrates. SET shows clear Coulomb oscillations and Coulomb gaps modulated by gate voltage. GaAs single electron tunneling inverter circuits having a SET and a variable load resistance are also formed. The operation of a resistance-load inverter circuit is confirmed at 1.9 K from the transport properties of this SET and input-output characteristics.Keywords
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