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Related Concept Videos

X-ray Crystallography02:18

X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
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Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
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Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis

Published on: May 10, 2021

Quantitative zone-axis convergent beam electron diffraction: current status and future prospects.

Martin Saunders1

  • 1Centre for Microscopy and Microanalysis, University of Western Australia, Crawley, WA 6009, Australia. martin@cmm.uwa.edu.au

Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada
|September 24, 2009
PubMed
Summary
This summary is machine-generated.

Quantitative zone-axis convergent beam electron diffraction (CBED) accurately refines structure factors for studying charge density and bonding in materials. This established technique has evolved for precise analysis of crystalline materials.

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Area of Science:

  • Materials Science
  • Solid-State Physics
  • Crystallography

Background:

  • Quantitative zone-axis convergent beam electron diffraction (CBED) is an established technique.
  • It has been developed over the past decade for accurate refinement of structure factors.
  • CBED allows detailed study of charge density and bonding effects in crystalline materials.

Purpose of the Study:

  • To discuss the development and current status of quantitative zone-axis CBED.
  • To highlight the refinement of structure factors and study of charge density and bonding.
  • To consider future prospects for the technique's development and application.

Main Methods:

  • Quantitative zone-axis convergent beam electron diffraction (CBED).
  • Refinement of structure factors.
  • Analysis of charge density and bonding effects.

Main Results:

  • CBED is a tested method for accurate structure factor refinement.
  • Strategies for accuracy have evolved, and key influences identified.
  • Applications extended to Debye-Waller factors and absorption potential.

Conclusions:

  • Quantitative zone-axis CBED is a valuable tool for materials analysis.
  • The technique has matured with refined strategies and identified accuracy influences.
  • Future development holds promise for broader applications in materials science.