EMS162_2011_Lecture11

EMS162_2011_Lecture11 - Theta-theta geometry Detector...

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1 2/8/2011 EMS 162 - Winter 2011 11 Yayoi Takamura Theta-theta geometry Sample - stationary Source Detector 2-Circle Goniometer θ θ 2/8/2011 EMS 162 - Winter 2011 12 Yayoi Takamura Theta-2theta geometry Sample Source - stationary Detector 2-Circle Goniometer 2 θ θ
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2 2/8/2011 EMS 162 - Winter 2011 13 Yayoi Takamura Four Circle Diffractometer • Bruker D8 Discover – for thin films χ Phi Sample Source Stationary Detector -2 θ 2 θ θ 2/8/2011 EMS 162 - Winter 2011 14 Yayoi Takamura Seven Crystal Systems Errors in textbook!
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3 2/8/2011 EMS 162 - Winter 2011 15 Yayoi Takamura Multiplicity, p 6 2 2 2 2 2 00l 6 4 6 2 2 2 0k0 6 4 6 2 2 2 h00 24* 8 12* 4 4 2 0kl 24* 8 12* 4 2 2 h0l 24* 8* 12* 4 4 2 hk0 8 8 12 8 4 2 hhh 12 8 12 4 4 2 0kk 12 4 6 4 4 2 hh0 24 8 12* 8 4 2 hhl 48* 16* 24* 8 4 2 hkl Cubic Tetragonal Hexagonal Trigonal Orthorhombic Monoclinic Triclinic Index Note: For some space groups within the crystal system, indexes marked with * are half the indicated values. A complete listing may be found in Table 3.5.1 in the International Tables for X-Ray Crystallography, Vol. 1, pp. 32-33
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This note was uploaded on 04/04/2011 for the course EMS 162 taught by Professor Howitt during the Spring '08 term at UC Davis.

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EMS162_2011_Lecture11 - Theta-theta geometry Detector...

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