Lecture 15: XRD and Other Analytical Techniques X-Ray Diffraction ...

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Higher symmetry minerals

will have fewer, but more

intense diffraction peaks

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Higher symmetry minerals will have fewer, but more intense diffraction peaks

2 Types of XRD: (1) Single Crystal: Laue Technique: orient crystal with axes perp. or parallel to X-ray beam, put film behind crystal, record spots Modern single crystal: rotate crystal and/or detector Crystal structure determination: chemical composition and single crystal diffraction patterns allows complete structure to be determined

Page 1 and 2: Lecture 15: XRD and Other Analytica
Page 3 and 4: d 010 = 6Å ? lots of atoms => inte
Page 5: Extinctions: due to destructive int
Page 9 and 10: Peak intensity reflects: 1. density
Page 11 and 12: (2) Electron Microscope "! use elec
Page 13 and 14: . Scanning Electron Microscope (SEM
Page 15 and 16: (3) Atomic Force Microscopy "! moun

Lecture 15: XRD and Other Analytical Techniques X-Ray Diffraction ...

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