DEVI AHILYA VISHWAVIDYALAYA, DAVV INDORE Syllabus
M.Sc. (CHEMISTRY)Third-3rd-III Semester Curriculum/ Syllabus
MCH-303: Diffraction Techniques and ESCA Syllabus
Unit-I : X-ray Diffraction
Bragg condition, Miller indices, Laue Method, Bragg method, Debye Scherrer method of X-ray structural analysis of crystals, index reflections, identification of unit cells from systematic absences in diffraction pattern, Structure of simple lattices and X-ray intensities, structure factor
and its relation to intensity and electron density, phase problem. Description of the procedure for an X-ray structure analysis, absolute configuration of molecules.
Unit-II : Electron Diffraction
Scattering intensity vs. scattering angle, Wierl equation, measurement technique, elucidation of structure of simple gas phase molecules. Low energy electron diffraction and structure of surfaces.
Unit-III : Neutron Diffraction
Scattering of neutrons by solids measurement techniques, Elucidation of structure of magnetically ordered unit cells.
Unit IV : Photoelectron Spectroscopy
Basic principles; photo-electric effect, ionization process, Koopman's theorem. Photoelectron spectra of simple molecules, ESCA, chemical information from ESCA. Auger electron spectroscopy-basic idea.
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