EMS162_2010_XRD_Part6

EMS162_2010_XRD_Part6 - Sample Illumination Areas Pink =...

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1 2/23/2010 EMS 162 - Winter 2010 53 Yayoi Takamura Sample Illumination Areas Pink = Illuminated area, Green = Sample area, DS = Divergence Slit 2/23/2010 EMS 162 - Winter 2010 54 Yayoi Takamura Soller Slits
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2 2/23/2010 EMS 162 - Winter 2010 55 Yayoi Takamura Typical Diffractometer Setup F: Focus of x-ray source SoS: Soller Slit DS: Divergence Slit Fi: Filter for K β radiation ScS: Scatter Slit (optional) RS: Receiving Slit D: Detector 2/23/2010 EMS 162 - Winter 2010 56 Yayoi Takamura Williamson Hall Plot t B 9 . 0 cos = λ θ Scherrer Eqn Microstrain sin 2 cos ⎛ Δ = d d B B cos/ sin θ / λ MgO Al 2 O 3 Ball milled Ball milled + annealed
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3 2/23/2010 EMS 162 - Winter 2010 57 Yayoi Takamura PDF Files 2/23/2010 EMS 162 - Winter 2010 58 Yayoi Takamura Powder Mixtures •A l 2 O 3 30 40 50 60 70 0 500 1000 1500 25.58 28.28 32.8 35.12 37.76 43.34 47 52.52 55.8 57.5 59.7 61.28 66.48 68.2 70.54 Intensity (a.u.) 2 theta (degrees) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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EMS162_2010_XRD_Part6 - Sample Illumination Areas Pink =...

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