Dynamical diffraction - PowerPoint PPT Presentation

Imaging defects and contours/effects

Imaging defects and contours/effects. Dynamical diffraction theory. Dynamical diffraction: A beam which is diffracted once will easily be re-diffracted (many times..). Understanding diffraction contrast in the TEM image.

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659 views • 64 slides

Dynamical Theory

Dynamical Theory. (without equations). Dynamical Theory. This lecture aims to communicate some intuitive bases for thinking dynamically Some familiarity with basic ideas of diffraction (for example, Bragg’s law and the reciprocal lattice) will be assumed. . Kinematical vs Dynamical theory.

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627 views • 36 slides

Thin films II

Thin films II. Kinematic theory - works OK for mosaic crystals &amp; other imperfect matls Doesn't work for many, more complicated films. Thin films II (see Batterman &amp; Cole, Dynamical Diffraction of X-rays by Perfect Crystals. Rev. Mod. Phys. 36, p 681 (1964) ). The Borrmann effect.

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565 views • 24 slides

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