Electron Diffraction
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8 Terms
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TEM-based diffraction is known as
Selected-Area diffraction (SAD)
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SAD
pattern from limited area
allows for determination of crystal diffraction from different sample regions
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If wavelength is small, Ewald sphere is
Large
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TEM vs XRD - scattering method
XRD - scatter by shell electrons
SAD/TEM - scattering by atom nucleus
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TEM vs XRD - diffraction angle
XRD - 0-180 degree angle
SAD - small angle
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XRD vs TEM - intensity/precision
XRD - low intensity, high precision
SAD/TEM - high intensity, low precision
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Kikuchi lines
Bright and dark lines in scattering patterns due to inelastic scattering in thicker samples
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EBSD
Orientation mapping to see Kikuchi Patterns
Note 
Flashcards (40)