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Effect of silver on the formation of Bi<inf>2</inf>Sr<inf>2</inf>Ca<inf>2</inf>Cu<inf>3</inf>O<inf>10</inf> (Bi-2223) superconductors by sol-gel process
Date Issued
01-01-1998
Author(s)
Rama Rao, G. V.
Swaminathan, K.
Sreedharan, O. M.
Venkadesan, S.
Mannan, S. L.
Indian Institute of Technology, Madras
Abstract
Bi-2223 superconductors with silver additions are synthesized by sol-gel process. The effect of silver on the formation of Bi-2223 phase is studied. The addition of silver brings down the reaction temperature as well as annealing time for the formation of Bi-2223 phase. The presence of silver affects the Tc of the Bi-2212 phase. The heat treatment of silver added Bi-2223 samples above 1113 K show poor superconducting properties due to partial melting of Bi-2223 phase. © 1998 Chapman & Hall.
Volume
33