Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Josephson junction – per se or josephson junction with only...
Patent
1997-09-02
2000-01-18
Jackson, Jr., Jerome
Superconductor technology: apparatus, material, process
High temperature devices, systems, apparatus, com- ponents,...
Josephson junction, per se or josephson junction with only...
257 34, 257 31, 257627, H01B 1200, H01L 2906
Patent
active
060164336
ABSTRACT:
Any oxide superconductor Josephson junction element having an oxide superconductor oriented in the c-axis direction with respect to a substrate, and a needle-like, a-axis (or b-axis) oriented oxide superconductor. Both sides of the needle-like, a-axis (or b-axis) oriented oxide superconductor are sandwiched between the c-axis oriented superconductors. The crystal boundary sections between the needle-like, a-axis (or b-axis) oriented oxide superconductor and each of the c-axis oriented superconductors form a weak link of the Josephson junction. The needle-like, a-axis (or b-axis) oriented oxide superconductor is grown such that the c-axis direction thereof is oriented in the (110) direction which is inclined at an angle of 45 degrees with respect to the (100) direction or (010) direction of the c-axis oriented superconductors.
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Wollman et al., Evidence for dx2-y2 Pairing from the Magnetic Field Modulation of YBa2Cu3O7-Pb Josephson Junctions, Phsical Review Letters, vol. 74, No. 5, Jan. 30, 1995.
Enomoto Youichi
Ishimaru Yoshihiro
Mizuno Yuuji
Baumeister Bradley WM.
International Superconductivity Technology Center
Jackson, Jr. Jerome
Sharp Kabushiki Kaisha
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