Diffusion calculations for the 80-K-to-110-K Bi(Pb)SrCaCuO superconducting phase transformation-Reference-Cited by-同舟云学术

Diffusion calculations for the 80-K-to-110-K Bi(Pb)SrCaCuO superconducting phase transformation

Published:1999-11 Issue:11 Volume:14 Page:4143-4147
ISSN:0884-2914
Container-title:Journal of Materials Research
language:en
Short-container-title:J. Mater. Res.

Author:

Zhu Wen,Kuo Chu Kun,Nicholson Patrick S.

Abstract

A diffusion model is proposed to fit the measured chemical-transformation rates of the Bi(Pb)CaCuSrO 80-K phase to 110-K phase. Diffusion coefficients and activation energies in PO2 = 0.08 and 0.21 atm are reported. The low diffusion rates and high activation energies suggest cation diffusion controls the transformation.

Publisher

Springer Science and Business Media LLC

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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