Enhancement of the critical current density in HTSC ceramics by laser radiation
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- A.M. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation)
The experimental data on the application of laser radiation to melting YBCO(123) and Bi(2223) high-temperature superconducting ceramics aimed at the improvement of their structure and an increase in the critical current density are systematised. The short-term melting of this ceramics by CO{sub 2} laser radiation and the subsequent annealing lead to the formation of a dense fine-grained structure. As a result, the critical current density significantly increases. The best results are obtained for the Bi(2223) ceramics: the critical current density increases by a factor of 40 and 8 at T= 20 K and 77 K, respectively. (special issue devoted to the memory of academician a m prokhorov)
- OSTI ID:
- 21470353
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Vol. 33, Issue 7; Other Information: DOI: 10.1070/QE2003v033n07ABEH002468; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ANNEALING
CARBON DIOXIDE LASERS
CERAMICS
CRITICAL CURRENT
CURRENT DENSITY
EXPERIMENTAL DATA
HIGH-TC SUPERCONDUCTORS
LASER RADIATION
MELTING
TEMPERATURE RANGE 0400-1000 K
CURRENTS
DATA
ELECTRIC CURRENTS
ELECTROMAGNETIC RADIATION
GAS LASERS
HEAT TREATMENTS
INFORMATION
LASERS
NUMERICAL DATA
PHASE TRANSFORMATIONS
RADIATIONS
SUPERCONDUCTORS
TEMPERATURE RANGE
TYPE-II SUPERCONDUCTORS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ANNEALING
CARBON DIOXIDE LASERS
CERAMICS
CRITICAL CURRENT
CURRENT DENSITY
EXPERIMENTAL DATA
HIGH-TC SUPERCONDUCTORS
LASER RADIATION
MELTING
TEMPERATURE RANGE 0400-1000 K
CURRENTS
DATA
ELECTRIC CURRENTS
ELECTROMAGNETIC RADIATION
GAS LASERS
HEAT TREATMENTS
INFORMATION
LASERS
NUMERICAL DATA
PHASE TRANSFORMATIONS
RADIATIONS
SUPERCONDUCTORS
TEMPERATURE RANGE
TYPE-II SUPERCONDUCTORS