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Sintering of Textured YBa2Cu307-x Under Intensive 60Co Gamma Irradiation

Published online by Cambridge University Press:  21 February 2011

Elvira M. Ibragimova ,
Eldar M. Gasanov ,
Makhmud Kalanov ,
Marquis A. Kirk  and
Ken C. Goretta
Elvira M. Ibragimova
Affiliation:
Institute of Nuclear Physics, Tashkent, 702132, Uzbekistan
Eldar M. Gasanov
Affiliation:
Institute of Nuclear Physics, Tashkent, 702132, Uzbekistan
Makhmud Kalanov
Affiliation:
Institute of Nuclear Physics, Tashkent, 702132, Uzbekistan
Marquis A. Kirk
Affiliation:
Argonne National Laboratory, Argonne, IL60439, USA
Ken C. Goretta
Affiliation:
Argonne National Laboratory, Argonne, IL60439, USA
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Abstract

A study of structural and superconducting characteristics of YBa2Cu307-x ceramics sintered after and in the course of gamma-irradiation is reported. Using X-difraction and SEM analyses and transport measurements, it has been shown that mainly the subsurface layer of crystallites and intergrain contacts are affected by the irradiation by means of sorption/desorption of oxygen and ordering/disordering in oxygen sublattice, which depends on gamma dose rate and dose. The irradiation provides the sintering process with an additional superthermal energy to form the orthorhombic well-ordered structure and to obtain dense ceramics possessing strong intergrain contacts and improved and stable superconducting properties

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 354: Symposium A – Beam Solid Interactions for Materials Synthesis and Characterization , 1994 , 723
Copyright
Copyright © Materials Research Society 1995

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References

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