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  • 2:39 PM, Sunday, 24 Oct 2021

Course Dual Degree (B. Tech + Master of Science / Master of Technology)
Semester Electives
Subject Code PH477
Subject Title High Resolution NMR Spectroscopy in Solids


Nuclear spin interactions in solids: Basic nuclear spin interactions in solids, spin interactions in high magnetic fields, transformation properties of spin interactions in real space, powder spectrum ilne shapes, specimen rotation, rapid anisotropic molecular rotation, ine shapes in the presence of molecular reorientation. Multiple-pulse NMR experiments: Idealized multiple-pulse sequences, the four-pulse sequence (WHH4), coherent averaging theory, application of coherent averaging theory to multiple-pulse sequences, arbitrary rotations in multiple-pulse experiments, resolution fo multiple-pulse experiments, magic angle rotating frame line narrowing experiments. Double resonance experiments: Basic principles of double resonance experiments, cross-polarization of dilute spins, cross-polarization dynamics, spin decoupling dynamics. Magnetic shielding tensor: Ramsey's formula, approximate calculations of the shielding tensor, photon shielding tensors, I3C shielding tensors. Spin-Lattice relaxation in iine narrowing experiments: Spin-lattice relaxation in multiple-pulse experiments, application of multiple-pulse experiments to the investigation of spin-lattice relaxation, spin-lattice relaxation in dilute spin systems.

Text Books

1. M. Mehring, High Resolution NMR Spectroscopy in Soilds, Springer-Verlag, 1976.