Atom pair persistence in disordered materials from fluctuation microscopy

J. M. Gibson, M. M.J. Treacy, P. M. Voyles

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

We show that the kinematical theory of fluctuation microscopy for a disordered specimen can be reformulated in terms of an atom pair-pair correlation function. Resolution and coherence are two experimental variables which yield a two-dimensional fluctuation map. This map is a transformation of the pair-pair correlation function, but can be directly interpreted in terms of a pair persistence function (PPF). We show that the PPF reveals the correlation length and structure for a simple paracrystalline model. Copyright (C) 2000.

Original languageEnglish (US)
Pages (from-to)169-178
Number of pages10
JournalUltramicroscopy
Volume83
Issue number3-4
DOIs
StatePublished - Jun 1 2000
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Instrumentation

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