EMS-162_ReviewFinal_2010

EMS-162_ReviewFinal_2010 - EMS 162 Review for Final Exam...

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EMS 162 – Review for Final Exam – Winter 2010 Readings : Pecharsky and Zavalij: Ch. 1-2, Ch. 3.1-3.3, Ch. 6, Ch. 7, Ch.8, Ch. 9.1, Ch. 11.1, 11.2.1, Ch.13.3.1-13.3.2 Supplemental Readings on the SmartSite List of topics: 1-17) Everything from the Midterm Review (Chapters 1-3) 18) Factors affecting the intensity of diffraction peaks (for a diffractometer). Calculations of relative intensities for a given crystal structure. a. Structure factor, F hkl ( ) + + lw kv hu i n e f π 2 i. Atomic scattering factor, f ii. uwv – positions of atoms in unit cell iii. Calculations for common Bravais lattices, simple cubic, body centered, base centered, face centered, NaCl, CsCl, etc… iv. Representation in reciprocal space v. Temperature factor, t vi. Population factor, g b. Scale factor, K c. Lorentz-Polarization Factor( θ ) = θ cos sin 2 cos 1 2 2 + d. Multiplicity, p hkl e. Absorption multiplier( θ ), μ 2 1 = A for a powder diffractometer f. Preferred orientation factor, T hkl
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This note was uploaded on 05/14/2010 for the course EMS 162 taught by Professor Howitt during the Winter '08 term at UC Davis.

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EMS-162_ReviewFinal_2010 - EMS 162 Review for Final Exam...

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