Published June 24, 1991
| Version v1
Journal article
Microwave properties of EuBa2Cu3O7-x thin films on MgO
Creators
- 1. NTT Applied Electronics Laboratories, Tokai, Ibaraki 319-11, Japan (Japan)
- 2. NTT Transmission Systems Laboratories, Tokai, Ibaraki 319-11, Japan (Japan)
Description
We have measured the microwave surface resistance of sputtered EuBa2Cu3O7-x superconducting films on MgO in a gold-plated Invar host cavity at 50 GHz. Low surface resistance of 2 mΩ was achieved even at 77 K and 50 GHz for highly c-axis oriented films with good in-plane epitaxy together with a Tc of 93 K and a Jc of 1.4x106 A/cm2 at 90 K. This surface resistance value is slightly lower than that for a classical superconductor of Nb at the same frequency at the same reduced temperature (T/Tc) of 7.7 K
Additional details
Publishing Information
- Journal Title
- Applied Physics Letters
- Journal Volume
- 58
- Journal Issue
- 25
- Series
- Appl. Phys. Lett.
- Journal Page Range
- 2981-2983
- ISSN
- 0003-6951
- CODEN
- APPLA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 22076100
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- BARIUM OXIDES; COPPER OXIDES; EUROPIUM OXIDES; HIGH-TC SUPERCONDUCTORS; MICROWAVE RADIATION; OPTICAL PROPERTIES; SUPERCONDUCTING FILMS; SUPERCONDUCTIVITY
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELECTROMAGNETIC RADIATION; EUROPIUM COMPOUNDS; FILMS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RADIATIONS; RARE EARTH COMPOUNDS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS