Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Elizabeth Drabarek"'
Publikováno v:
Chemistry of Materials. 22:3832-3842
The evaporation-induced self-assembly of mesoporous zirconium titanium oxide thin films prepared from precursor solutions with the composition ZrxTi1−xCl4:40 EtOH:0.005 Brij 58:h H2O (where x = 0.28, h = 10, and Brij 58 = diblock copolymer C16H33PE
Publikováno v:
Journal of Nuclear Materials. 384:119-129
The preparation of tungstate-containing glass–ceramic composites (GCC) for the potential immobilization of radio cesium has been considered. The GCC materials were prepared by blending two oxide precursor compositions in various proportions. These
Autor:
Galo J. A. A. Soler-Illia, Paula C. Angelomé, Elizabeth Drabarek, Vittorio Luca, Paula Y. Steinberg, Tracey Hanley
Publikováno v:
Microporous and Mesoporous Materials. 118:443-452
Under consideration in this work is the prospect for the preparation of ordered, thermally stable, compositionally homogenous bulk zirconium titanate mesophases using a triblock copolymer template (F-127). As a starting point, well established evapor
Autor:
Linggen Kong, Sandrine Calleja, Mark G. Blackford, David T. Cassidy, Christophe Jean Alexandre Barbe, Elizabeth Drabarek, John V. Hanna, Kim Suzanne Finnie
Publikováno v:
Journal of Sol-Gel Science and Technology. 46:393-409
By combining sol–gel technology with emulsion chemistry, it is possible to produce spherical particles with a designed microstructure based on a judicious choice of solvent/surfactant and sol–gel reaction parameters. When an active molecule is lo
Publikováno v:
Journal of the American Ceramic Society. 90:2510-2516
The leaching of two potential 137Cs waste form ceramics (Cs-containing hexagonal tungsten bronze (HTB) and hollandite) has been investigated in Fe(NO3)3 solutions of increasing concentration at 150°C over a period of 4 days. These ceramics contain w
Autor:
Willem K. Bertram, David R. G. Mitchell, Christopher S. Griffith, Elizabeth Drabarek, Vittorio Luca, Jonathan Widjaja
Publikováno v:
Microporous and Mesoporous Materials. 103:123-133
Mesoporous zirconium titanates with Ti/Zr ratios of two have been prepared through the controlled hydrolysis of mixtures of zirconium and titanium alkoxides and long chain carboxylates (lauric, palmitic or stearic acids) in the absence of solvent. X-
Autor:
Patrick Yee, Mark E. Smith, Vittorio Luca, Ferdinand Šebesta, John V. Hanna, Christopher S. Griffith, Elizabeth Drabarek
Publikováno v:
Journal of Nuclear Materials. 358:151-163
Conversion of a granular molybdenum-doped, hexagonal tungsten bronze (MoW–HTB)–polyacrylonitrile (PAN) composite adsorbent to a leach resistant ceramic waste form capable of immobilizing adsorbed Cs+ and Sr2+ has been achieved by heating in air a
Publikováno v:
Journal of Nuclear Materials. 358:139-150
The effective immobilization of Cs+ and/or Sr2+ sorbed on hexagonal tungsten oxide bronze (HTB) adsorbent materials has been achieved by heating in air at temperatures in the range 500–1000 °C. Crystalline powdered HTB materials formed by heating
Publikováno v:
Journal of Materials Research. 20:1436-1446
The leaching of Cs from well-characterized Cs-bearing hollandite powders with ideal formula Cs0.8Ba0.4Ti8O16 was studied at 200 °C under static oxidizing conditions achieved using dilute nitric acid solutions. A variety of techniques were used to el
Publikováno v:
International Journal of Thermophysics. 23:145-160
Constant shear rate and dynamic rheological measurements have been used to investigate the effect of shear on the processes controlling the structural evolution (size and volume fraction of clusters and the extent of cluster–cluster cross-linking)