DocumentCode
2561485
Title
High T/sub c/ RF-SQUID galvanometer
Author
Chiao Wei-Chuan ; Xiao Liang-Xi ; Zhong Qing ; Wang Tong-Xiao
Author_Institution
Nat. Inst. of Metrol., Beijing, China
fYear
1990
fDate
11-14 June 1990
Firstpage
124
Lastpage
125
Abstract
A high-T/sub c/ superconducting galvanometer with a sensitivity of 2*10/sup -12/ A/ square root Hz for input resistance of 250 Omega is reported. Its sensor is a YBaCuO RF SQUID (superconducting quantum interference device) that operates at 77 K. In the absence of high-T/sub c/ superconducting wires, this RF SQUID solves the problem of coupling between the signal and SQUID ring very well.<>
Keywords
SQUIDs; barium compounds; electric sensing devices; high-temperature superconductors; yttrium compounds; 250 ohm; 77 K; RF SQUID; YBaCuO; coupling; high temperature superconductor; high-T/sub c/ superconducting galvanometer; superconducting quantum interference device; Ceramics; Coils; Critical current; High temperature superconductors; Josephson junctions; Resonance; SQUIDs; Superconducting materials; Superconductivity; Yttrium barium copper oxide;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements, 1990. CPEM '90 Digest., Conference on
Conference_Location
Ottawa, Ontario, Canada
Type
conf
DOI
10.1109/CPEM.1990.109953
Filename
109953
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