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Author Mikhailova, G. N. ♦ Troitskii, A. V.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ♦ 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
Abstract 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)
ISSN 10637818
Educational Use Research
Learning Resource Type Article
Publisher Date 2003-07-31
Publisher Place United States
Journal Quantum Electronics
Volume Number 33
Issue Number 7


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