Applications of barrier tunneling phenomena

E. L. Wolf

in Principles of Electron Tunneling Spectroscopy

Second edition

Published in print November 2011 | ISBN: 9780199589494
Published online January 2012 | e-ISBN: 9780191731334 | DOI:

Series: International Series of Monographs on Physics

Applications of barrier tunneling phenomena

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Barrier tunnelling devices based on the Josephson effect include superconducting quantum interference detectors (SQUID) in conventional and scanning forms. The use of a scanning SQUID detector to detect a half-flux quantum in a ring of Josephson junctions identifies d-wave superconductivity. The shunted Josephson junction is the basis for the rapid single flux quantum RSFQ class of superconducting logic circuits. The use of RSFQ to form fast analogue to digital ADC converter devices is reported. Various types of radiation detectors are described including SIS detectors, Josephson-effect detectors, and optical point-contact antenna devices.

Keywords: SQUID; Josephson; RSFQ; ADC; interference; flux; quantum logic

Chapter.  5449 words.  Illustrated.

Subjects: Condensed Matter Physics

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