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School of Applied and Life Sciences organizes a Webinar on “Crystallography and Technological Development”

Home » Blog » School of Applied and Life Sciences organizes a Webinar on “Crystallography and Technological Development”

A Webinar on the topic “Crystallography and Technological Development” was organized by Department of Physics, School of Applied and Life Sciences (SALS) on 25 June, 2021. The webinar started with a Welcome Note delivered by Dr. B.S Rawat, Head – Department of Physics, SALS.

Dr. Brajesh Tiwari was the Invited Speaker. He started with the need to learn about crystallography stating that for the development of practically all new materials hinges around crystal structure of material systems. Crystallography is the backbone for technological development of new products in aeronautic, automobile, computer, displays,  defence, electromechanical, beauty care,  agro-food, mining pharmaceutical etc industries. After introducing a general idea of symmetry as used in physics, the role of symmetry in understanding of crystal structure were highlighted. Crystal structure and its underlying symmetry for the presence or absence of certain physical properties with examples were discussed. Further crystal systems, unit cell, Braves lattices, lattice parameters etc were introduced with emphasis on space group (=translation group + point group) and symmetry. It is important to determine the crystal structure of any crystalline materials for its potential applications. Fundamentals of x-ray diffraction; the instrumentation, XRD pattern, interpretation of diffraction peaks and their intensities, data analysis etc were discussed in depth. Based on structural analysis, determination of crystallinity, crystallite size, lattice parameters were also introduced. Before concluding he presented his work explaining the presence of secondary phase based on XRD analysis (Rietveld refinement) and its effect of the physical properties.  

The event concluded with a Vote of Thanks delivered by Dr. B.S Rawat in which sincere gratitude was expressed towards Hon’ble Chancellor Shri Jitender Joshi for extending his kind support and encouragement for organizing the webinar. Respected Vice Chancellor, Uttaranchal University and Principal – SALS were also thanked for their valuable presence.

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