Shapiro-like steps from a weakly coupled junction prepared with high-[ital T][sub [ital c]] superconducting materials
Journal Article
·
· Applied Physics Letters; (United States)
- Department of Electronics, Faculty of Engineering, Himeji Institute of Technology, Shosha 2167, Himeji 671-22 (Japan)
A trilayer junction composed of YBa[sub 2]Cu[sub 3]O[sub [ital y]]/La[sub 0.7]Ca[sub 0.3]MnO[sub [ital z]]/YBa[sub 2]Cu[sub 3]O[sub [ital y]] is prepared and the current-voltage ([ital I]-[ital V]) characteristics are examined with and without microwave illumination. The flow of the superconducting current is observed through the trilayer junction. At the same time, the trilayer junction is illuminated with microwaves. Resultant [ital I]-[ital V] curves show Shapiro-like steps, the spacing of which is different from that of the real Shapiro steps as well as the increase of electrical resistance of the junction by the illumination. It is also observed that the Shapiro-like steps exhibit a kind of negative resistance on the current-voltage curve.
- OSTI ID:
- 6931070
- Journal Information:
- Applied Physics Letters; (United States), Journal Name: Applied Physics Letters; (United States) Vol. 65:6; ISSN 0003-6951; ISSN APPLAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
665411* -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ALLOY SYSTEMS
BARIUM COMPOUNDS
BARIUM OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
HIGH-TC SUPERCONDUCTORS
JOSEPHSON JUNCTIONS
JUNCTIONS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MANGANESE COMPOUNDS
MANGANESE OXIDES
MICROWAVE RADIATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROXIMITY EFFECT
QUATERNARY ALLOY SYSTEMS
RADIATIONS
RARE EARTH COMPOUNDS
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ALLOY SYSTEMS
BARIUM COMPOUNDS
BARIUM OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
HIGH-TC SUPERCONDUCTORS
JOSEPHSON JUNCTIONS
JUNCTIONS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
MANGANESE COMPOUNDS
MANGANESE OXIDES
MICROWAVE RADIATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROXIMITY EFFECT
QUATERNARY ALLOY SYSTEMS
RADIATIONS
RARE EARTH COMPOUNDS
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES