Publication
Applied Physics Letters
Paper

Phase stability limits of Bi2Sr2Ca1Cu 2O8+δ and Bi2Sr2Ca 2Cu3O10+δ

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Abstract

We determined the phase stability limits of Bi2Sr 2Ca1Cu2O8+δ and Bi 2Sr2Ca2Cu3O10+δ in the temperature range 650-880°C using a solid-state electrochemical technique. These phases decompose by incongruent melting above ∼790°C, whereas they decompose by a solid-state reaction at lower temperatures. The solid-state decomposition reaction is reversible for Bi2Sr 2Ca1Cu2O8+δ, but not for Bi2Sr2Ca2Cu3O10+δ.

Date

01 Jan 1992

Publication

Applied Physics Letters