Dynami

cal theory of X-ray diffraction

$Dynamical diffraction effects can give rise to artefacts on X-ray topographs of crystals. An in-depth analysis of these artefacts can allow to reveal non-desctructively minute details about crystal defects and their origin.$

Content
Status: June 2000.

General

Introduction & usage
Acknowledgements
Scope

Basic concepts

Symmetries and conservation laws
Plane waves in periodic media
Coupled harmonic oscillators
Geometrical theory of refraction and reflection
Geometrical theory of diffraction
Summary
Exercises

Qualitative description

The dispersion surface for X-rays in crystals
Polarization effects
Total diffraction in Bragg geometry
Asymmetric diffraction settings
Pendellösung effect
Anomalous transmission
Summary
Exercises

Quantitative description

Basic assumptions
Matrix formalism for the fundamental equation of the dynamical theory
Polarisation effects
Total diffraction in Bragg geometry
Asymmetric diffraction geometry
Pendellösung effect
Anomalous transmission
Summary
Exercises

Dynami

cal theory of X-ray diffraction

Content

General

Introduction & usage Acknowledgements Scope