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  • 3:42 PM, Sunday, 24 Oct 2021

Course Dual Degree (B. Tech + Master of Science / Master of Technology)
Semester Electives
Subject Code PH478
Subject Title Solid State NMR Spectroscopy: Techniques


Theory of solid state NMR and its experiments: The basics of solid state NMR, the vector model of pulsed NMR, the quantum mechanical picture: Hamiltonians and the Schrodinger equation, the density matrix representation and coherences nuclear spin interactions, calculating NMR power patterns, general features of NMR experiments. Essential techniques for spin–1/2 nuclei: Introduction, magic-angle spinning (MAS), high-power decoupling, multiple pulse decoupling sequences, average Hamiltonian theory and the toggling frame, cross-polarization, solid or quadrupole echo pulse sequence. Dipolar coupling, its measurement and uses: Introduction, techniques for measuring homonuclear dipolar couplings, recoupling pulse sequences, double-quantum filtered experiments, rotational resonance, techniques for measuring heteronuclear dipolar couplings, spin-echo double resonance, rotational-echo double resonance, techniques for dipolar-coupled quadrupolar (spin–1/2) pairs, transfer of population in double resonance, rotational echo, adiabatic passage, double resonance, techniques for measuring dipolar couplings between quadrupolar nuclei, correlation experiments, homonuclear correlation experiments for spin–1/2 systems, homonuclear correlation experiments for quadrupolar spin systems, heteronuclear correlation experiments for spin–1/2, spin-counting experiments, the formation of multiple-quantum coherences, implementation of spin-counting experiments. Quadrupole coupling, its measurement and uses: The quadrupole Hamiltonian, the effect of RF pulses, high-resolution NMR experiments for half-integer quadrupolar nuclei, magic-angle spinning, double rotation, dynamic-angle spinning, multiple-quantum magic-angle spinning, other techniques for half-integer quadrupolar nuclei, quadrupole nutation. Shielding and chemical shift: The relationship between the shielding tensor and electronic structure, measuring chemical shift anisotropies, magic-angle spinning with recoupling pulse sequences, variable angle spinning experiments, magic-angle turning, two-dimensional separation of spinning sideband patterns.

Text Books

1. M. J. Duer, Solid State NMR Spectroscopy: Principles and Applications, Blackwell Science Ltd