X-ray diffraction by finite and imperfect crystal lattices

  title={X-ray diffraction by finite and imperfect crystal lattices},
  author={P. P. Ewald},
The Fourier transform of a crystal is a representation which, if fully known, would be equivalent to, and give the same information as, the usual description of a crystal. At the same time the Fourier transform is very closely related to the diffraction properties and it offers the best survey of the diffraction data obtained, and of those missing, for a discussion of crystal shape and of crystal imperfection. The desirability of an exact quantitative x-ray study of the perfection of an… Expand
Imperfections of crystal lattices as investigated by the study of X-ray diffuse scattering
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The Fourier transform of a crystal is used to explain the appearance of the x-ray reflections from the true crystal lattice of tricalcium silicate as satellites of the strong reflectionsExpand
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The mathematical treatment of light scattering by regular and random arrays of points is outlined. The diffraction patterns of two‐dimensional models are compared with patterns from ideal crystals,Expand
VI X-Ray Crystal-Structure Determination as a Branch of Physical Optics
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An outline is given of the reciprocal-lattice method of relating x-ray reflections to the density distribution in the crystal. The experimental work of Laval, Preston, Zachariasen, Raman andExpand
Theory of the Diffraction Phenomenon Produced by Powders of Microcrystals with a Lamellar Structure
As seen in the preceding chapter, many lamellar crystals, be they natural or synthetic, are rich in structural defects of various types. Particles of those crystals are usually a few microns parallelExpand
Partial Coherence Effects on the Imaging of Small Crystals using Coherent X-ray Diffraction
Recent achievements in experimental and computational methods have opened up the possibility of measuring and inverting the diffraction pattern from a single-crystalline particle on the nanometreExpand
Distribution of the Scattering Intensity. General Aspects
X-ray and neutron diffraction techniques occupy a prominent position among various methods for studying imperfections in crystals. Their main advantages are explained by the fact that theExpand
Coherent X-ray Diffraction Imaging of Nanostructures
We present here an overview of Coherent X-ray Diffraction Imaging (CXDI) with its application to nanostructures. This imaging approach has become especially important recently due to advent of X-rayExpand
Kinematic theory of diffraction by matter of any kind and the theory of liquids
Abstract An expression for the intensity function scattered coherently by an arbitrarily distorted lattice has been derived which degenerates under well-defined conditions to the well-known formulaeExpand


The diffraction of electrons by anthracene
The diffraction of electrons by anthracene crystals gives results which are in agreement with the structure as previously determined with x rays. In addition to the normal type of multispot patternExpand
An X-ray investigation of atomic vibrations in magnesium between 86° and 293° K.
Measurements are made of the intensities of X-ray reflections from magnesium powder at 86° and 293° K. Absolute values of the ratio I86/I293 are obtained by making comparative measurements on aExpand
The structure of some metallic deposits on a copper single crystal as determined by electron-diffraction
Nickel, copper, zinc, cadmium, silver, chromium and cobalt were deposited electrolytically on etched copper single crystals and the structure of the deposits was found by electron-diffraction. AtExpand
The diffraction of X-rays by age-hardening aluminium copper alloys.
  • G. D. Preston
  • Materials Science
  • Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences
  • 1938
The object of this paper is to draw attention to certain peculiarities in the X-ray diffraction spectra obtained from single crystals of an alloy of aluminium with 4% by weight of copper. TheExpand
XXIX. Über die Untersuchung von mikroskopischen Kristallen mit Röntgenstrahlen
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