Effect of codoping Sb and V to the BiPbSrCaCuO system
Journal Article
·
· Journal of Superconductivity; (United States)
- Chanchun Inst. of Applied Chemistry (China)
- Laboratoire de Chimie de Solide du CNRS, Talence (France)
With XRD, R-T curves, and a.c. [chi] measurements, the doping and codoping effects of Sb and V to a Cu-deficient Pb-doped Bi system have been studied. A sample singly doped with V possesses a T[sub c] about 2 K lower than that of a sample singly doped with Sb. This is attributed to the different sites of their substitution. It was observed that for promoting 2223 phase formation, Sb and V works cooperatively, and the codoping of Sb may enhance the 2223 phase formed. With a low doping level of Sb, the optimum doping amount of V is 0.3, i.e., with a nominal composition of Bi[sub 1.5]Pb[sub 0.3]Sb[sub 0.06]Sr[sub 2]Ca[sub 2.4]V[sub 0.3]O[sub y]. A sample in which the 2223 phase is the dominant phase and which has a zero resistance transition temperature of 105 K has been obtained. 7 refs., 3 figs., 1 tab.
- OSTI ID:
- 5725772
- Journal Information:
- Journal of Superconductivity; (United States), Journal Name: Journal of Superconductivity; (United States) Vol. 6:2; ISSN JOUSEH; ISSN 0896-1107
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANTIMONY IONS
BISMUTH COMPOUNDS
CALCIUM COMPOUNDS
CHARGED PARTICLES
COHERENT SCATTERING
COPPER COMPOUNDS
CRYSTAL DOPING
DIFFRACTION
HIGH-TC SUPERCONDUCTORS
IONS
LEAD COMPOUNDS
PHASE STUDIES
SCATTERING
STRONTIUM COMPOUNDS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
VANADIUM IONS
X-RAY DIFFRACTION
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANTIMONY IONS
BISMUTH COMPOUNDS
CALCIUM COMPOUNDS
CHARGED PARTICLES
COHERENT SCATTERING
COPPER COMPOUNDS
CRYSTAL DOPING
DIFFRACTION
HIGH-TC SUPERCONDUCTORS
IONS
LEAD COMPOUNDS
PHASE STUDIES
SCATTERING
STRONTIUM COMPOUNDS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
VANADIUM IONS
X-RAY DIFFRACTION