Accession Number : AD0646620

Title :   ELECTRONIC AND NUCLEAR PARAMAGNETISM AND ENERGY EXCHANGE MECHANISMS.

Descriptive Note : Final technical rept., Sep 65-Sep 66,

Corporate Author : SAINT LOUIS UNIV MO DEPT OF PHYSICS

Personal Author(s) : Lee,Sook ; Jacobsmeyer,Vincent P.

Report Date : JAN 1967

Pagination or Media Count : 78

Abstract : Large F19 NMR enhancements in CaF2 crystals containing atomic hydrogen have been obtained from the various types of forbidden transition lines in the atomic hydrogen ESR spectrum. Investigations of the Solid State Effect in polycrystalline solids, in which ESR centers possess a substantially anisotropic g- and hyperfine tensors, have been conducted and predictions have been made pertaining to the NMR enhancements from such materials. In addition, double magnetic resonance experiments in polycrystalline NaCl containing Cl(2-) centers have been completed and studies to understand the behavior of the Al27 NMR enhancement in ruby crystals have been performed. Also, a new ESR spectrum in CaF2, when treated at high temperatures and in a hydrogen atmosphere, is reported. (Author)

Descriptors :   (*SODIUM CHLORIDE, PARAMAGNETIC RESONANCE), (*CALCIUM FLUORIDES, PARAMAGNETIC RESONANCE), (*RUBY, PARAMAGNETIC RESONANCE), (*NUCLEAR MAGNETIC RESONANCE, POLARIZATION), IMPURITIES, HYDROGEN, FLUORINE, POLARIZATION, LINE SPECTRA, SELECTION RULES(PHYSICS), ANISOTROPY, HYPERFINE STRUCTURE, ALUMINUM, DIPOLE MOMENTS, HEAT TREATMENT, MASERS, MATERIALS, NUCLEAR SPINS

Subject Categories : Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE