ACTIVATION-ENERGY FOR CRYSTALLIZATION OF MELT-QUENCHED (BI1.0TL0.5GA0.5)SR2CA2CU3O10-CERAMICS(Y SUPERCONDUCTING GLASS)

Authors
YAKINCI ME AKSOY I
Citation
Me. Yakinci et I. Aksoy, ACTIVATION-ENERGY FOR CRYSTALLIZATION OF MELT-QUENCHED (BI1.0TL0.5GA0.5)SR2CA2CU3O10-CERAMICS(Y SUPERCONDUCTING GLASS), Superlattices and microstructures, 21, 1997, pp. 183-190
Citations number
6
Categorie Soggetti
Physics, Condensed Matter
Journal title
Superlattices and microstructures → ACNP
ISSN journal
07496036
Volume
21
Year of publication
1997
Supplement
A
Pages
183 - 190
Database
ISI
SICI code
0749-6036(1997)21:<183:AFCOM(>2.0.ZU;2-W
Abstract
A glass of the BiSrCaCuO superconducting system with nominal (Bi1.0Tl0 .5Ga0.5)Sr2Ca2Cu3O10+y composition has been prepared by the melt-quenc hed method. The crystallisation kinetics of the glass was investigated using non-isothermal analysis. The activation energy for crystallisat ion was found to be 420.6Kjmol(-1). The Superconducting transition and zero resistance temperatures were T-c=118.8K and T-zero=114.6K respec tively. The calculated critical current density was J(c)=8.85x10(6) Ac m(-2) at 4.5K, In general, substitution of both Tl+3 and Ga+3 for Bi+3 increased the activation energy for crystallisation and enhanced the superconducting phase formation. (C) 1997 Academic Press Limited.