ASET

Special ASET Colloquium on Sep 22nd at 4pm Commemorating LINAC@20 and Engineer's Day. All are cordially invited. Please bring any of your photo ids for admission. YouTube live at: https://youtu.be/iSkfUSQb1J4

Today's ASET Colloquium
Speaker: Ms. Bhagyashree Chalke (DCMP&MS, TIFR, Mumbai)
Title: Electron Microscopy - A vital tool for materials characterization
Date: Friday, July 15, 2022
Time: 4 pm
Physical Venue: AG-66
Post-Colloquium tea will be served in the West Canteen
YouTube live link: https://youtu.be/J46NhYWFAvI

Abstract:
In a conventional optical microscope, the wavelength of light limits the smallest size of objects that can clearly be seen. Using a beam of electrons to create an image of a specimen allows much higher
magnifications and greater resolving power than a light microscope, allowing much smaller objects to be seen in finer detail. Modern electron microscopes can resolve individual atoms, and help provide a fascinating insight into the world of the very small.

Energy dispersive spectroscopy (EDS) and Electron energy loss
spectroscopy (EELS) techniques used in conjunction with electron
microscopes provide further details regarding the elemental composition and a variety of other material characteristics, including bandgap, oxidation states etc. In-situ electron microscopy can also be used to study real-time sample dynamics. I will provide a brief overview of the TIFR electron microscopy facility in this talk and show a few significant findings made possible by these microscopes.

About the Speaker:
Ms. Bhagyashree Chalke joined TIFR in 1994 after earning a Diploma in Electronics and Radio Engineering from St. Xavier's Technical Institute in Mumbai. She has been working with Electron microscopes for the past 22 years. She has played a key role in installing, running, and maintaining five electron microscopes over this time. Ms. Chalke has co-authored 34 publications that have appeared in international journals.

Electron Microscopy - A vital tool for materials characterization Ms. Bhagyashree Chalke (DCMP&MS, TIFR, Mumbai)