Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/7081
Title: Spectral Density Functions for Diffusion Through Disordered Materials
Contributor(s): Girard, Christian James (author); Sholl, Colin (supervisor)
Conferred Date: 1997
Copyright Date: 1996
Open Access: Yes
Handle Link: https://hdl.handle.net/1959.11/7081
Abstract: The purpose of this thesis is to examine the nuclear spin relaxation results for diffusion in a disordered system. This is complicated as the presence of the disorder means that the spins no longer diffuse about the system in a simple, regular manner. The way in which the disorder is manifest in the system is difficult to know exactly and the modelling can be difficult and time consuming for a large system with many spins present. For this thesis it was decided to examine the relaxation rates by modelling the diffusion exactly for a small, finite system at a low concentration of spins. The time constants T₁and T₁p can then be calculated exactly and compared to both experimental and theoretical work carried out on much larger systems. The purpose of this was to see how accurately a small system could model the real, large scale systems and to gain some insight into the mechanisms behind the diffusion process in a disordered system.
Publication Type: Thesis Masters Research
Rights Statement: Copyright 1996 - Christian James Girard
HERDC Category Description: T1 Thesis - Masters Degree by Research
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Thesis Masters Research

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