Published May 1995
| Version v1
Journal article
Study of Ca-substitution on YBa2Cu4O8 superconductors by positron lifetime spectrum
- 1. Henan Normal Univ., Xinxiang (China). Dept. of Physics
Description
Positron lifetime spectra were studied for Y1-xCaxBa2Cu4O8(x 0.00-0.15) superconductors. The local electron density ne and vacancy concentration Cυ were evaluated as a function of Casubstitution content x. A peak appears near x = 0.1 which just correspond to maxmium Tc value. The characteristic of positron annihilation and the correlation with superconductivity were also discussed
Additional details
Publishing Information
- Journal Title
- Chinese Journal of Low Temperature Physics
- Journal Volume
- 17
- Journal Issue
- 3
- Journal Page Range
- p. 191-195.
- ISSN
- 1000-3258
- CODEN
- DWXUES
INIS
- Country of Publication
- China
- Country of Input or Organization
- China
- INIS RN
- 27024831
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ANNIHILATION; BARIUM OXIDES; CALCIUM; CALCIUM OXIDES; CHEMICAL COMPOSITION; COPPER OXIDES; ELECTRON DENSITY; ELECTRON SPECTRA; LIFETIME; PEAKS; POSITRONS; SUPERCONDUCTIVITY; SUPERCONDUCTORS; VACANCIES; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; ALKALINE EARTH METALS; ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; BARIUM COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELEMENTARY PARTICLES; ELEMENTS; FERMIONS; INTERACTIONS; LEPTONS; MATTER; METALS; OXIDES; OXYGEN COMPOUNDS; PARTICLE INTERACTIONS; PHYSICAL PROPERTIES; POINT DEFECTS; SPECTRA; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS