|Course Status :||Completed|
|Course Type :||Core|
|Duration :||8 weeks|
|Credit Points :||2|
|Start Date :||21 Feb 2022|
|End Date :||15 Apr 2022|
|Enrollment Ends :||21 Feb 2022|
|Exam Date :||23 Apr 2022 IST|
Note: This exam date is subjected to change based on seat availability. You can check final exam date on your hall ticket.
Week 1: Introduction to microscopy in general. Resolution, Light versus electron versus ion as source. Lens aberrations, Main components of scanning electron microscope (SEM), Electron beam-specimen interaction
Week 2: Generation and detection of signals, Imaging modes, Major parameters that affect the SEM image quality, Additional capabilities of SEM, Specimen preparation.
Week 3 : Introduction to helium ion microscope (HIM), Electrons versus ions, Ion source and operation of ion microscope, Ion-solid interaction, Signal generation, Image formation, and contrast mechanisms.
Week 4 : Imaging techniques, Scanning transmission ion microscopy, Microanalysis with HIM, ToF-SIMS on HIM, Modification of materials using ion microscope.
Week 5: Introduction to scanning probe microscopy (SPM), Important parts of scanning tunneling microscope (STM), STM Tip fabrication, Working principles, Different modes of operation, Image processing and analysis, Artifacts.
Week 6: Work function measurement, Scanning tunneling spectroscopy, and Imaging the surface states. Atomic force microscopy (AFM), fabrication of cantilevers, calculation of spring constant.
Week 7: Different forces and their interaction with the sample, Modes of AFM operation and their principle, Noises in AFM, Advanced imaging modes, Work function and surface potential measurements, other force microscopy.
Week 8: Mechanical, chemical, and electric properties measurement using probe microscope, Manipulation of atoms and molecules using AFM and STM, Industrial applications.