Courses Handbook 2008 - [ Archived ]

4777 (v.3) X-Ray Diffraction 302


Area: Department of Applied Physics
Credits: 12.5
Contact Hours: 4.0
** The tuition pattern below provides details of the types of classes and their duration. This is to be used as a guide only. For more precise information please check your unit outline. **
Lecture: 1 x 1 Hours Weekly
Practical: 1 x 1.5 Hours Weekly
Workshop: 1 x 8 Days Yearly
Prerequisite(s): 8127 (v.6) Advanced Calculus 201 or any previous version
AND
9765 (v.4) Quantum and Statistical Physics 301 or any previous version
Syllabus: Powder diffraction principles, practice and applications - crystallography, specimens, instrumentation, identification analysis and phase analysis. Rietveld analysis. Crystallography basics, including space groups. Diffraction science: single crystal diffraction. Simulation of single crystal intensities: calculating structure factors. Crystal structure data bases (ICSD data base). Instrumental: Specimen requirements and preparation. The Bragg-Brentano diffractometer: optical design/alignment. Operating conditions: choice of generator settings, x-ray tube, slits, detector settings and electronics. Data reduction. Absorption, information depth. Preferred orientation. Extinction. Stacking faults. Identification methods. Search/match analysis with the PowderDiffraction File. Phase Composition Analysis: traditional single-peak and multi-peak methods for thick and thin samples, including the MNI method. Rietveld phase composition analysis. Rietveld Pattern Fitting: Rietveld analysis for crystal structure refinement, cell parameters, phase analysis, texture characterisation, strain analysis, crystallite size analysis. Other methods: Line broadening determination of crystallite size, strain and stacking faults. Texture assessment, crystallinity. Grazing.
** To ensure that the most up-to-date information about unit references, texts and outcomes appears, they will be provided in your unit outline prior to commencement. **
Field of Education: 010301 Physics
SOLT (Online) Definitions*: Informational
*Extent to which this unit or thesis utilises online information
Result Type: Grade/Mark

Availability

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