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- Alkali Metal Gallium Borates (1)
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Articles 1 - 3 of 3
Full-Text Articles in Physical Sciences and Mathematics
Dirubidium Digallium Oxide Bis(Orthoborate), Robert W. Smith, Chunhua Hu, Christopher D. Despain
Dirubidium Digallium Oxide Bis(Orthoborate), Robert W. Smith, Chunhua Hu, Christopher D. Despain
Chemistry Faculty Publications
The title compound, Rb2Ga2O(BO3)2, is part of the homologous series A2Ga2O(BO3)2 (A = Na, K, Rb and Cs). The structure contains pairs of gallium-centered tetrahedra connected through a shared oxygen vertex. Orthoborate triangles connect the basal vertices of the tetrahedra, forming a three-dimensional network with voids occupied by rubidium ions.
Synthesis Of The Giant Dielectric Constant Material Cacu3ti4o12 By Wet-Chemistry Methods, Jianjun Liu, Robert W. Smith, Wai-Ning Mei
Synthesis Of The Giant Dielectric Constant Material Cacu3ti4o12 By Wet-Chemistry Methods, Jianjun Liu, Robert W. Smith, Wai-Ning Mei
Chemistry Faculty Publications
CaCu3Ti4O12 (CCTO) has a giant dielectric constant of up to 105 at room temperature and great potential for technological application. In this work, we report two wet-chemistry methods to synthesize CCTO at relatively low temperatures and short reaction times. The pure-phase sample was obtained at 800 °C for 0.5 h, and the grain size of a pellet sample sintered at 1030 °C has a homogeneous distribution in the range of 0.4–1.5 μm.
Orientational Disorder In Sodium Cadmium Trifluoride Trihydrate, Nacdf3·3h2o, Robert W. Smith, Arthur Mar, Jianjun Liu, Stan Schnell, John R. Hardy
Orientational Disorder In Sodium Cadmium Trifluoride Trihydrate, Nacdf3·3h2o, Robert W. Smith, Arthur Mar, Jianjun Liu, Stan Schnell, John R. Hardy
Chemistry Faculty Publications
Attempts to synthesize the hypothetical anhydrous fluoroperovskite NaCdF3, which has been predicted to be stable, resulted instead in a hydrated fluoride of nominal composition NaCdF3·3H2O. It decomposes to sodium fluoride, cadmium fluoride, and water at 60 °C. Its structure has been determined by single-crystal X-ray diffraction. Na0.92(2)Cd1.08F3.08·2.92H2O crystallizes in the cubic space group with a = 8.2369(4) Å and Z = 4. The structure is based on the NaSbF6-type (an ordered variant of the ReO3-type) and features tilted sodium- and cadmium-centred octahedra …