DocumentCode :
836059
Title :
Characterization of Josephson-vortex flow device as a magnetic sensor
Author :
Hirata, Kazuto ; Ooi, Shuuichi ; Sadki, El Hadi ; Yu, Shan ; Mochiku, Takashi
Author_Institution :
Nat. Inst. for Mater. Sci., Tsukuba, Japan
Volume :
15
Issue :
2
fYear :
2005
fDate :
6/1/2005 12:00:00 AM
Firstpage :
916
Lastpage :
919
Abstract :
We have found periodic oscillations in the Josephson-vortex flow resistance of the intrinsic Josephson junctions of Bi2Sr2CaCu2O8+δ single crystal under the parallel magnetic fields from a few kOe to more than 70 kOe. The oscillations indicate a precise and an absolute measurement at higher fields. To demonstrate the characteristics of the magnetic sensor, we have performed modulation measurements with small coils producing a few Oe in Tesla order magnetic fields and have studied details on the flow resistance in the magnetic field and temperature cycles. The results show a high performance as a magnetic sensor.
Keywords :
flux flow; magnetic fields; magnetic sensors; oscillations; superconducting junction devices; Bi-2212; Bi2Sr2CaCu2O8; Josephson junctions; Josephson-vortex flow device; Josephson-vortex flow resistance; magnetic fields; magnetic sensor; periodic oscillations; single crystal; Bismuth; Coils; Electrical resistance measurement; Fluid flow measurement; Josephson junctions; Magnetic field measurement; Magnetic modulators; Magnetic sensors; Performance evaluation; Strontium; Bi-2212; Josephson devices; Josephson junctions; magnetic sensors;
fLanguage :
English
Journal_Title :
Applied Superconductivity, IEEE Transactions on
Publisher :
ieee
ISSN :
1051-8223
Type :
jour
DOI :
10.1109/TASC.2005.850118
Filename :
1439788
Link To Document :
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