Kinetics of diffuesion-controlled oxygen ordering in a lattic-gas model of YBa2Cu3O7-δ

Jørgen Vitting Andersen, Henrik Bohr, Ole G. Mouritsen

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Abstract

Nonequilibrium properties of oxygen ordering in high-Tc superconductors of the Y-Ba-Cu-O type are studied via computer simulation of an anisotropic two-dimensional lattice-gas model in which the ordering processes are controlled by diffusion across the sample edges. With a view to designing optimal annealing strategies, various quenches and annealing schedules through the phase diagram are investigated. The ordering kinetics and the grain morphology are found to have a characteristic dependence on the thermal treatment of the system.
Original languageEnglish
JournalPhysical Review B
Volume42
Issue number1
Pages (from-to)283-287
ISSN2469-9950
DOIs
Publication statusPublished - 1990

Bibliographical note

Copyright (1990) by the American Physical Society.

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