Published December 26, 1988
| Version v1
Journal article
Tunnel junctions using oxide superconducting thin films epitaxially grown on SrTiO3
- 1. Institute for Chemical Research, Kyoto University, Uji 611, Japan
Description
Normal-metal/insulator/superconductor (NIS) junctions were fabricated using thin films of YBa2Cu3O/sub 7-//sub x/ (YBCO) or ErBa2Cu3O/sub 7-//sub x/. These were epitaxially grown on single-crystal SrTiO3 by the activated reactive evaporation method. For some NIS junctions prepared on SrTiO3 (110) substrates, we observed multipeaks in the differential conductance versus voltage curve. NIS junctions using single-crystal YBCO films on SrTiO3 (100) showed a set of peaks, from which we obtained a gap parameter of 11.5 +- 1.5 meV at 4.4 K and a coupling constant of 3.2 +- 0.4
Additional details
Publishing Information
- Journal Title
- Applied Physics Letters
- Journal Volume
- 53
- Journal Issue
- 26
- Series
- Appl. Phys. Lett.
- Journal Page Range
- 2689-2691
- ISSN
- 0003-6951
- CODEN
- APPLA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 20025526
- Subject category
- S36: MATERIALS SCIENCE; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- BARIUM OXIDES; COPPER OXIDES; ENERGY GAP; EPITAXY; EXPERIMENTAL DATA; FABRICATION; STRONTIUM OXIDES; SUPERCONDUCTING JUNCTIONS; THIN FILMS; TITANIUM OXIDES; TRANSITION TEMPERATURE; TUNNEL EFFECT; VAPOR DEPOSITED COATINGS; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COATINGS; COPPER COMPOUNDS; DATA; FILMS; INFORMATION; NUMERICAL DATA; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; STRONTIUM COMPOUNDS; THERMODYNAMIC PROPERTIES; TITANIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS