W.W. Fuller-Mora

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We have measured the electrical resistivity, /spl rho/, and the thermopower, S, of PrBa/sub 2/Cu/sub 3-x/Ga/sub x/O/sub 7-/spl delta// in a temperature range from 300 K down to approximately 100 K. Samples with varying amounts of Ga substitution (x=0.0, 0.2, 0.4, 0.6, and 0.8) were studied, some of which were annealed in flowing O/sub 2/ for one week at(More)
Metallorganic decomposition of metal carboxylates is used to prepare porous thin films of bismuth. The general approach is to spin coat a precursor solution, bismuth 2-ethylhexanoate in a solvent of 2-methyl-1-propanol on the substrate of interest and then pyrolyze the resulting film under conditions which evolve the organic ligands but do not melt the(More)
This paper reports the structure and thermoelectric properties of multilayered skutterudite thin films. In particular, the two skutterudite phases used were CoSb/sub 3/ and IrSb/sub 3/. The multilayers were constructed using pulsed laser deposition (PLD) from skutterudite targets containing excess antimony. The films are polycrystalline with small grains(More)
We have measured the electrical resistivity and thermoelectric power of commercial vapor-grown carbon fibers and fiber composites from 4 K to 300 K. Post-growth heat treatment decreased the resistivity and moderately increased the magnitude of the thermopower. Thermoelectric measurements on fiber composites showed that the host material altered the(More)
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