Oscillatory Josephson-Vortex Resistance in Stacks of Bi2St2CaCu2O8+x Intrinsic Josephson Junctions
- 1. Dept. of Physics, Pohang University of Science and Technology, Pohang (Korea, Republic of)
- 2. Dept. of Mechatronics Engineering, Cheju National University, Cheju (Korea, Republic of)
Description
We report the oscillation of the Josephson vortex-flow resistance in the rectangular stacks of Bi2St2CaCu2O8+x (Bi-2212) intrinsic Josephson junctions (IJJs). Apiece of Bi-2212 single crystal containing a few tens of IJJs was sandwiched between two gold electrodes and fabricated into a rectangular shape with the typical lateral size of about 1.5 X 10μm2, using e-beam lithography and focused ion-beam etching techniques. In a tesla-range magnetic field applied in parallel with the junction planes, the oscillation of the Josephson vortex flow resistance was observed at temperatures near 60 K. The oscillation results from the interplay between the triangular Josephson vortex lattice and the potential barrier at the boundary of a single crystal. The oscillatory magnetoresistance for different bias currents, external magnetic fields, and the tilt-angles provides useful information on the dynamics of the coupled Josephson-vortex lattice system.
Additional details
Publishing Information
- Journal Title
- Progress in Superconductivity
- Journal Volume
- 7
- Journal Issue
- 1
- Series
- 8 refs, 4 figs
- Journal Page Range
- p. 17-21
- ISSN
- 1229-4764
INIS
- Country of Publication
- Korea, Republic of
- Country of Input or Organization
- Korea, Republic of
- INIS RN
- 45032838
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- FABRICATION; JOSEPHSON JUNCTIONS; MAGNETIC FIELDS; MAGNETORESISTANCE; OSCILLATIONS; VORTEX FLOW
- Descriptors DEC
- ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; FLUID FLOW; PHYSICAL PROPERTIES; SUPERCONDUCTING JUNCTIONS