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Electrostatically defined heterojunction rings and the Aharonov–Bohm effect

Authors :
J. E. F. Frost
David A. Ritchie
C. J. B. Ford
Trevor Thornton
D. C. Peacock
Michael Pepper
G. A. C. Jones
Haroon Ahmed
R. Newbury
Source :
Applied Physics Letters. 54:21-23
Publication Year :
1989
Publisher :
AIP Publishing, 1989.

Abstract

Micron‐sized loops of high‐mobility two‐dimensional electron gas have been made on GaAs‐AlGaAs heterostructures using a novel split‐gate technique. Aharonov–Bohm oscillations of amplitude up to 20% of the device resistance have been observed at very low temperatures (T

Subjects

Subjects :
Electron mobility
Physics and Astronomy (miscellaneous)
Condensed matter physics
Chemistry
Heterojunction
Quantum Hall effect
Condensed Matter::Mesoscopic Systems and Quantum Hall Effect
Magnetic field
symbols.namesake
Amplitude
Electrical resistivity and conductivity
symbols
Aharonov–Bohm effect
Fermi gas

Details

ISSN :
10773118 and 00036951
Volume :
54
Database :
OpenAIRE
Journal :
Applied Physics Letters
Accession number :
edsair.doi...........1508b2f20df63fcbd852a9f65ac687d2
Full Text :
https://doi.org/10.1063/1.100818
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