A cluster model for the transition state and its study by means of electron diffraction I. Theoretical model

R. de Ridder; G. van Tendeloo; D. van Dyck; S. Amelinckx

doi:10.1002/pssa.2210380229

A cluster model for the transition state and its study by means of electron diffraction I. Theoretical model

R. de Ridder, G. van Tendeloo, D. van Dyck, S. Amelinckx

Research output › peer-review

Abstract

A system which exhibits substitutional disorder is said to be in the “transition state” if the diffuse intensity is confined to the vicinity of a geometric locus in reciprocal space. A model is proposed which allows to describe the ordering in the transition state in terms of predominant clusters. According to the model the transition state is considered as being built from clusters of a typical polyhedral type, which satisfy a linear relation for the occupation operators of the cluster sites. This ordering relation is directly derived from the analytical equation of the geometric locus.

Original language	English
Pages (from-to)	663-674
Number of pages	12
Journal	physica status solidi (a)
Volume	38
Issue number	2
DOIs	https://doi.org/10.1002/pssa.2210380229
State	Published - 16 Dec 1976

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1002/pssa.2210380229

Cite this

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abstract = "A system which exhibits substitutional disorder is said to be in the “transition state” if the diffuse intensity is confined to the vicinity of a geometric locus in reciprocal space. A model is proposed which allows to describe the ordering in the transition state in terms of predominant clusters. According to the model the transition state is considered as being built from clusters of a typical polyhedral type, which satisfy a linear relation for the occupation operators of the cluster sites. This ordering relation is directly derived from the analytical equation of the geometric locus.",

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