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Magnetic imaging of moat-guarded superconducting electronic circuits

Appl. Phys. Lett. 67, 1769 (1995); doi:10.1063/1.114377

Issue Date: 18 September 1995

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Mark Jeffery and T. Van Duzer
Department of Electrical Engineering and Computer Sciences, The University of California, Berkeley, California 94720-1770

J. R. Kirtley and M. B. Ketchen
IBM Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598
Superconducting electronic circuits surrounded by various configurations of holes in the superconducting ground plane have been imaged using a high resolution scanning superconducting quantum interference device (SQUID) microscope. These data demonstrate that in the weak field limit continuous moats trap flux more effectively to protect the circuits than small holes in the same configuration. ©1995 American Institute of Physics.
History: Received 29 June 1995; accepted 24 July 1995
Permalink: http://link.aip.org/link/?APPLAB/67/1769/1
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KEYWORDS and PACS

Keywords
PACS
  • 74.60.Ge
    Superconductivity Type-II superconductivity Flux pinning, flux creep, and flux-line lattice dynamics
  • 85.25.Dq
    Electrical and magnetic devices Superconducting devices; superconducting magnets Superconducting quantum interference devices (SQUIDs) (including magnetometers, electromagnetic radiation sources and detectors, and computer logic and memory devices)
  • YEAR: 1995

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (9)
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