Published July 1, 1992
| Version v1
Journal article
Superconductivity at 55 K enhanced by silver-doping in Pb0.9AgxSr2La2Cu3.1Oy
- 1. Dept. of Applied Chemistry, Univ. of Science and Tech. of China, Hefei, Anhui (China)
- 2. Structure Research Lab., Univ. of Science and Tech. of China, Hefei, Anhui (China)
Description
A sample of Pb0.9AgxSr2La2Cu3.1Oy has been synthesized to be superconducting at 55 K (zero resistivity) by a sol-gel process. The phase responsible for superconductivity has an orthorhombic symmetry with a=0.5402 nm, b=0.5367 nm, c=1.570 nm, measured by X-ray powder diffraction method. The crystal structure is an analogue to that of (Pb, Cu)-3212 phase. X-ray photo-electron spectroscopy indicates that silver has partly been in Ag1+ state, which probably enhanced the superconductivity. (orig.)
Additional details
Publishing Information
- Journal Title
- Physica. C, Superconductivity
- Journal Volume
- 197
- Journal Issue
- 1/2
- Series
- Phys., C Supercond.
- Journal Page Range
- 42-46
- ISSN
- 0921-4534
- CODEN
- PHYCE
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 23085930
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CHEMICAL COMPOSITION; COPPER OXIDES; CRYSTAL STRUCTURE; DOPED MATERIALS; ELECTRIC CONDUCTIVITY; HIGH-TC SUPERCONDUCTORS; LANTHANUM OXIDES; LATTICE PARAMETERS; LEAD OXIDES; ORTHORHOMBIC LATTICES; PHOTOELECTRON SPECTROSCOPY; POWDERS; SILVER ADDITIONS; SILVER OXIDES; SOL-GEL PROCESS; STRONTIUM OXIDES; SUPERCONDUCTIVITY; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0000-0013 K; TEMPERATURE RANGE 0013-0065 K; TRANSITION TEMPERATURE; X-RAY DIFFRACTION
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; CRYSTAL LATTICES; DIFFRACTION; ELECTRICAL PROPERTIES; ELECTRON SPECTROSCOPY; LANTHANUM COMPOUNDS; LEAD COMPOUNDS; MATERIALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; SCATTERING; SILVER COMPOUNDS; SPECTROSCOPY; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS