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Results of preliminary electrical conductivity measurements show that with increasing Li content (a) the ionic conductivity increases rapidly reaching lop2 ohm-' cm-' at 350 "c for a composition of Li20/B20s = 0.5, and (b) decreasing activation energies fall to -0.5 eV at high lithium contents. Studies are proceeding to test the effects of additives, morphology, and moisture on the electrical transport properties of these glasses.
Corrosion resistance studies of these glasses in molten lithium and lithium salts are now being initiated.
π SIMILAR VOLUMES
Silicon nitride ceramics containing cerium as a simulating element of americium were fabricated to clarify proper sintering conditions. Basic properties of sintered specimens were evaluated for utilization to an inert matrix. Commercial powders of silicon nitride and cerium dioxide (16 or 24.6 wt%),
Amorphous oxide and oxynitride lithium electrolyte thin films were synthesized by r.f. magnetron sputtering of lithium silicates and lithium phosphates in Ar, Ar+O x, Ar+N" or N 2 . The composition, structure, and electrical properties of the films were characterized using ion and electron beam, X-r
## Abstract The ionic conductivity of PANβTiO~2~βLiClO~4~ as a function of TiO~2~ concentration and temperature has been reported. The electrolyte samples were prepared by solution casting technique. Their conductivity was measured using the impedance spectroscopy technique. The highest room temper