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    The effects of applied stress on the E. P. R. spectra of a system exhibiting the dynamic Jahn-Teler effect: CaF₂¿:Sc²+

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    Author
    Mier-Maza, Rafael
    Date
    1974
    Advisor
    Estle, Thomas L.
    Degree
    Master of Arts
    Abstract
    The effects of uniaxial stress applied along different crystallographic directions to a cubic system exhibiting the Dynamic Jahn-Teller effect have been studied. E.P.R. measurements were made at 9 Ghz at liquid helium temperatures. Experimental data were obtained as a function of the orientation of the magnetic field and the magnitude and direction of the stress. The observed spectra can be explained by the effective Hamiltonian formulation of Ham and extended by Herrington, Estle and Boatner. The effective Hamiltonian has been further extended to account for the superhyperfine (S. H. F.) interaction with the eight nearest fluorines. Good resolution has been obtained for the S. H. F. interaction in the large stress limit and a method for the determination of the S. H. F, parameters has been proposed.
    Citation
    Mier-Maza, Rafael. "The effects of applied stress on the E. P. R. spectra of a system exhibiting the dynamic Jahn-Teler effect: CaF₂¿:Sc²+." (1974) Master’s Thesis, Rice University. http://hdl.handle.net/1911/104174.
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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892