Published July 29, 1991
| Version v1
Journal article
Synthesis of a bulk YBa2Cu4O8 superconductor by addition of Ag2O at an ordinary pressure of oxygen
Creators
- 1. Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-21, Japan (Japan)
Description
The superconducting bulk YBa2Cu4O8 compound has been successfully synthesized by the addition of Ag2O as a reaction-rate enhancer at an ordinary pressure of oxygen. An almost single YBa2Cu4O8 phase together with the compositionally reasonable metallic silver phase could be formed when the added amount of Ag2O was larger than 30 wt. %. The obtained bulk YBa2Cu4O8 compound showed a Tc(zero) of 70 K in resistivity curve and a Tc(onset) of 80 K in alternating-current magnetic susceptibility curve. The results well evidenced that the YBa2Cu4O8 can be directly prepared by the conventional solid-state reaction
Additional details
Publishing Information
- Journal Title
- Applied Physics Letters
- Journal Volume
- 59
- Journal Issue
- 5
- Series
- Appl. Phys. Lett.
- Journal Page Range
- 603-605
- ISSN
- 0003-6951
- CODEN
- APPLA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 22068534
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- BARIUM OXIDES; CHEMICAL REACTIONS; COPPER OXIDES; HIGH-TC SUPERCONDUCTORS; QUATERNARY COMPOUNDS; SILVER OXIDES; SYNTHESIS; TRANSITION TEMPERATURE; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; AMINES; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; SILVER COMPOUNDS; SUPERCONDUCTORS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS