An NMR study of the metal-insulator transition in tantalum-doped sodium tungsten bronze |
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Contents
Previous Work on the Tungsten Bronzes | 29 |
Sample Preparation and Analysis | 46 |
Experimental Techniques and Apparatus | 72 |
6 other sections not shown
Common terms and phrases
absorption line absorption lineshape Anderson localization baking Bohr radius boxcar bronze samples chapter Clark classical percolation composition conduction band conduction electron concentration contact interaction core polarization correlation coulomb cubic phase curves for samples density diffusion runs dipole field dirty metal disorder donor doped semiconductor Doumerc energy EPMA eq'n experimental Fermi energy Fermi level Fermi surface Figure gauss gyromagnetic ratio homogeneous Hubbard model inhomogeneously insulating samples insulating side Knight shift Korringa relation Larmor frequency lattice constant Lett Lightsey linewidth M-I transition Magnetization recovery curves measured melt metallic samples micron Mott msec Narath nearest neighbor NMR properties non-exponential nuclear magnetization nuclei orbitals p(Ep particles Phys predicts pulse quartz ratio rigid band model scaling theory scattering signal sodium content spectrometer spin diffusion spin echo spin-lattice relaxation spin-lattice relaxation rate Ta-doped samples tantalum tantalum-doped temperature dependence Thesis unpublished tungsten tungsten bronze Tunstall wavefunction x y 1-y x-ray