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Lecture16-XRD-AtomicScattringFactors

Lecture16-XRD-AtomicScattringFactors - EMSE 312 DIFFRACTION...

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EMSE 312 – Diffraction Principles Lecture 16 Powder X-ray Diffraction (XRD) Techniques Atomic Scattering Factor Unit Cell Structure Factor EMSE 312 DIFFRACTION PRINCIPLES
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EMSE 312 – Diffraction Principles Diffraction Braggs Law Diffraction Occurs for Positive Interference ( ) B hkl 2d sin n θ λ = hkl d λ 1 1’ 2 2’ B θ B θ ( ) B hkl d sin θ ( ) B hkl d sin θ Path Difference ( ) B 1'2' hkl 2d sin n δ θ λ = =
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