Relaxation Process in Spin Nuclei

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Marhabaie, Sina | 2013

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 44142 (03)
University: Sharif University of Technology
Department: Chemistry
Advisor(s): Tafazzoli, Mohsen
Abstract:
In this research the relaxation processes of spin nuclei was quantitatively described using computer programs. According to our data, both longitudinal and transverse relaxations consist of five exponentials of the forms of and . The parameters and were represented as a functions of . Analytical expressions were extracted for dynamic frequency shift's components in addition to representing them as a function of . In solving of transverse and longitudinal relaxation's equations, the transverse and longitudinal relaxation matrices were extracted which are useful in the investigation of exchange effect in these nuclei. The accuracy of our computer program was confirmed using it for reproducing of the data in some problems investigated earlier. Our data are in full accordance to conducted research in this area
Keywords:
Nuclear Magnetic Resonance ; Quadrupole Interaction ; Dynamic Frequency Shift ; Spin 9/2 Nuclei ; Red Field Relaxation Theory

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