EMS162_2010_Lecture2

EMS162_2010_Lecture2 - understanding will not come...

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1 1/7/2010 EMS 162 - Winter 2010 11 Yayoi Takamura Lattice + Unit cell Lattice Unit Cell Basis 1/7/2010 EMS 162 - Winter 2010 12 Yayoi Takamura Lattice + Unit cell
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2 1/7/2010 EMS 162 - Winter 2010 13 Yayoi Takamura Lattice + Unit Cell 1/7/2010 EMS 162 - Winter 2010 14 Yayoi Takamura Invalid Unit Cells
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3 1/7/2010 EMS 162 - Winter 2010 15 Yayoi Takamura Bravais Lattices 1/7/2010 EMS 162 - Winter 2010 16 Yayoi Takamura Rhombohedral - FCC
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4 1/7/2010 EMS 162 - Winter 2010 17 Yayoi Takamura Reciprocal Space • “At first, you will probably find this whole reciprocal space business a bit abstract and difficult to understand. This is normal. It will take a while for you to really understand what is meant by reciprocal space. So, be patient; reciprocal space is probably one of the most complicated topics in this book, which means an
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Unformatted text preview: understanding will not come immediately. It is important, however, that you persist in trying to understand this topic, because it is of fundamental importance for everything that has to do with diffraction experiments.” – Marc de Graef and Michael E. McHenry in “ Structure of Materials, An Introduction to Crystallography, Diffraction, and Symmetry ” Cambridge University Press (2007) 1/7/2010 EMS 162 - Winter 2010 18 Yayoi Takamura Real vs. Reciprocal Space • Real Space • Reciprocal Space a b c c b a a/h b/k c/l a b c a * b * c * c* a * b * h k l H hkl 5 1/7/2010 EMS 162 - Winter 2010 19 Yayoi Takamura Symmetry Elements Rotation Inversion Mirror Translation (x,y,z) → (-x, -y, -z)...
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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_Lecture2 - understanding will not come...

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