Titlebook: Interpretation of Electron Diffraction Patterns; K. W. Andrews,D. J. Dyson,S. R. Keown Book 1967 K. W. Andrews, D. J. Dyson, and S. R. Keo

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https://doi.org/10.1007/978-1-4899-6475-5diffraction; electron; electron diffraction

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enumaerate

Overview: 978-1-4899-6228-7978-1-4899-6475-5

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Fundamentals of electron diffractionThe diffraction of electrons is possible because of their wave-mechanical behaviour and their conformity to the relationship . where λ is the wavelength of the electrons, . Planck’s constant and . the momentum of the particle.

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Indexing polycrystalline and single-crystal patternsThe type of transmission diffraction pattern obtained in an electron diffraction camera depends largely on the crystal size of the diffracting medium and to a somewhat lesser extent on the size of the limiting aperture used. These two factors determine the number of crystals which contribute to the observed pattern.

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Orientation relationships, trace analysis and some other structural or diffraction phenomenaThis chapter describes some of the useful information that can be obtained from a single-crystal diffraction pattern, particularly that relating to the atomic structure of the diffracting medium. It provides some information on how to interpret extra spots and streaks.

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Introductionimen. Normally the best results are gained if the fullest use is made of these combined facilities. Accurate information can be obtained about the identity of the phases present, their orientation relationships, the formation of zones, atomic ordering, twinning, faulting, growth characteristics, etc.