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September 23, 2023

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Description

Principles and Applications of Electron Paramagnetic Resonance Spectroscopy. Instructor: Prof. Ranjan Das, Department of Chemical Sciences, IIT Mumbai.

In this course, it is proposed to give a good foundation to the underlying principles and simple applications of Electron Paramagnetic Resonance (EPR) Spectroscopy, along with a detailed exposition of the EPR spectrometer and how to record and analyze simple EPR spectra. First a short historical development will be given which encompasses the discovery the Zeeman effect, the existence of electron spin and Zavoisky observation of electron spin resonance. The hurdles and hostilities that these pioneers faced will be mentioned. Then the phenomenon of magnetic resonance will be discussed in terms of classical mechanics and quantum mechanics. The necessary conditions for experimental observation of the resonance will be elucidated and the experimental techniques will be elaborated. Often the approach will be that of an experimentalist, so that the necessary theoretical concepts will be built from experimentally observed features, and not the other way round. A good part will be devoted to a detailed description of EPR instrumentations, so that one clearly understands how the principles of EPR spectroscopy are implemented in the spectrometers, and also the methods to enhance their sensitivity. (from nptel.ac.in)

Course Curriculum

  • Lecture 01 – Remembering the Masters: From Zeeman to Zavoisky Unlimited
  • Lecture 02 – Introduction to EPR Spectroscopy Unlimited
  • Lecture 03 – Electron-Nuclear Hyperfine Interaction Unlimited
  • Lecture 04 – Electron-Nuclear Hyperfine Interaction (cont.) Unlimited
  • Lecture 05 – Magnetic Moment in Magnetic Field Unlimited
  • Lecture 06 – Magnetic Moment in Magnetic Field (cont.) Unlimited
  • Lecture 07 – EPR Instrumentations I Unlimited
  • Lecture 08 – EPR Instrumentations II Unlimited
  • Lecture 09 – EPR Instrumentations III Unlimited
  • Lecture 10 – EPR Instrumentations IV Unlimited
  • Lecture 11 – Quantum Mechanical Description of EPR Unlimited
  • Lecture 12 – Quantum Mechanical Description of EPR (cont.) Unlimited
  • Lecture 13 – Introduction to Spin Relaxation Unlimited
  • Lecture 14 – Theory of First Order EPR Spectra Unlimited
  • Lecture 15 – Theory of First Order EPR Spectra (cont.) Unlimited
  • Lecture 16 – How to Analyse First Order EPR Spectra Unlimited
  • Lecture 17 – How to Record EPR Spectra Unlimited
  • Lecture 18 – Second Order Effects on EPR Spectra Unlimited
  • Lecture 19 – Photochemistry and EPR Spectroscopy Unlimited
  • Lecture 20 – Electron Spin Polarisation Unlimited
  • Lecture 21 – Electron Spin Polarisation (cont.) Unlimited
  • Lecture 22 – Anisotropic Interactions in ERP Spectroscopy Unlimited
  • Lecture 23 – Theoretical Basis of Isotropic Hyperfine Coupling Unlimited
  • Lecture 24 – Spin Relaxation and Bloch Equations Unlimited
  • Lecture 25 – Spin Relaxation and Bloch Equations (cont.) Unlimited

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