EMS162_2010_XRD_Part5

EMS162_2010_XRD_Part5 - Temperature Factor, t 2/18/2010...

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1 2/18/2010 EMS 162 - Winter 2010 44 Yayoi Takamura Temperature Factor, t 2/18/2010 EMS 162 - Winter 2010 45 Yayoi Takamura Example Calculation – FCC Copper
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2 2/18/2010 EMS 162 - Winter 2010 46 Yayoi Takamura Example Calculation – FCC Copper 0 20 40 60 80 100 120 140 0 20 40 60 80 100 Normalized Intensity 2 theta (degrees) "Stick diagram" for Cu ( a =3.61Å) λ =1.54185 Å 2/18/2010 EMS 162 - Winter 2010 47 Yayoi Takamura Cubic Crystals Cullity
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3 2/18/2010 EMS 162 - Winter 2010 48 Yayoi Takamura Cullity Peak Indexing a 0 (Å) d hkl sin 2 θ /s s=h 2 +k 2 +l 2 hkl sin 2 2 Peak # Repeat for simple cubic, BCC, and FCC until sin 2 θ /(h 2 +k 2 +l 2 ) is a constant for all peaks Copper 2/18/2010 EMS 162 - Winter 2010 49 Yayoi Takamura Non-Cubic Crystals Cullity
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4 2/18/2010 EMS 162 - Winter 2010 50 Yayoi Takamura Multiplicity 4 4 4 2/18/2010 EMS 162 - Winter 2010 51 Yayoi Takamura Peak Shapes Lamparter
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5 2/18/2010 EMS 162 - Winter 2010 52 Yayoi Takamura Instrument Broadening 2/18/2010 EMS 162 - Winter 2010 53 Yayoi Takamura Instrument Broadening
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This note was uploaded on 05/14/2010 for the course EMS 162 taught by Professor Howitt during the Spring '08 term at UC Davis.

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EMS162_2010_XRD_Part5 - Temperature Factor, t 2/18/2010...

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