Materials Literature
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Abstract High-yield synthesis of pure oxo(phthalocyaninato)titanium(IV) was conveniently achieved by heating a mixture of 1,2-dicyanobenzene, titanium(IV) butoxide, urea, and 1-octanol at 150 °C. It is suggested that a key pathway of the efficient condensation reaction is the complex formation of titanium(IV) butoxide…
In-situ photopolymerization of liquid-crystalline networks offers the opportunity to fix the molecular organisation of any LC phase in a thin plastic film. In addition to that, one has access to a number of additional techniques to affect the molecular organisation during or after the polymerization process which make…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMagnetic circular dichroism and absorption spectra of lutetium bis(phthalocyanine) isolated in an argon matrixThomas C. VanCott, Zbigniew Gasyna, Paul N. Schatz, and Michael E. BoyleCite this: J. Phys. Chem. 1995, 99, 13, 4820–4830Publication Date (Print):March 1, 1995Public…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis of a New Layered Sodium Copper(II) Pyrophosphate, Na2CuP2O7, via an Eutectic Halide FluxKristen M. S. Etheredge and Shiou-Jyh HwuCite this: Inorg. Chem. 1995, 34, 6, 1495–1499Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Publis…
The realization of a ceramic protector covering the subregion of a substrate and using chemical vapor deposition techniques needs the temperature field in the deposition zone to be controlled. A feedback control of this temperature is based on the knowledge of the temperature in the considered subregion. The difficult…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEvaluation of Low Concentrated Hydrophilic Sites on Microporous Carbon Surfaces with an X-ray Photoelectron Spectroscopy Ratio MethodY. Kaneko, K. Ohbu, N. Uekawa, K. Fujie, and K. KanekoCite this: Langmuir 1995, 11, 3, 708–710Publication Date (Print):March 1, 1995Publicatio…
Electron-spin-echo spectroscopy on the lowest $^{3}$${\mathit{A}}_{2}$ state of ${\mathrm{Mn}}^{5+}$ ions in ${\mathrm{Ba}}_{3}$(${\mathrm{VO}}_{4}$${)}_{2}$ in combination with pulsed laser excitation at 1176.6 nm proves that the laser activity in this material derives from the $^{1}$E${\mathrm{\ensuremath{\leftright…
The production of radiolytic species in a pressurized water reactor has been calculated for various initial hydrogen and boron concentrations. The concentration of oxidants decreases with increasing hydrogen concentration, but the decrease is <20% when [H2] is increased from 5 to 50 Ncm3/kg (N refers to normal conditi…
Abstract Morimotoite, Ca 3 TiFe 2+ Si 3 O 12 , has been found in contaminated rocks which are considered to be a kind of endoskarn at Fuka, Bitchu-Cho, Okayama Prefecture, Japan. Morimotoite is derived from andradite, , by the substitution Ti + Fe 2+ = 2Fe 3+ . It is associated with calcite, vesuvianite, grossular, wo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSecosyrins 1 and 2 and syributins 1 and 2: novel structures produced by bacteria expressing the avrD geneSharon L. Midland, Noel T. Keen, and James J. SimsCite this: J. Org. Chem. 1995, 60, 5, 1118–1119Publication Date (Print):March 1, 1995Publication History Published onlin…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation W. H. Han, A. D. Rey; Simulation and validation of temperature effects on the nematorheology of a…
The piezoresistance and other characteristics of boron doped polycrystalline diamond films (PDF's) were determined by analyzing free-standing films that had been formed on silicon. These structures were adhered to a dielectric substrate, and from bending stresses a gauge factor was estimated. Subsequently, a monolithi…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystal Morphology and Phase Identification in Poly(aryl ether ketone)s and Their Copolymers. 3. Polymorphism in a Polymer Containing Alternated Terephthalic Acid and Isophthalic Acid IsomersRong-Ming Ho, Stephen Z. D. Cheng, Benjamin S. Hsiao, and Kenncorwin H. GardnerCite…
Abstract Rigid, closed‐cell, polyurethane foam consists of interconnected polyurethane plates that form cells. When this foam is compressed, it exhibits an initial elastic regime, which is followed by a plateau regime in which the load required to compress the foam remains nearly constant. In the plateau regime, cell…
As a result of the reassessment of the Kolmogorov-Johnson-Mehl-Avrami (KJMA) theory for the kinetics of nucleation and growth transformations, an integral-equation formulation has been developed instead of the well-known and widely used Avrami equation. The presented formulation considers interfacial and diffusional g…
Laboratory exposures of copper have been performed at exposure conditions comparable to those in the UN ECE exposure program with respect to air flow conditions, relative humidity, and concentration of the gaseous pollutants sulfur dioxide and nitrogen dioxide. Extrapolation of the weight increases in the laboratory e…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal and Structural Characterization of Poly(methylene-1,3-cyclopentane) Samples of Different MicrostructuresOdda Ruiz de Ballesteros, Vincenzo Venditto, Finizia Auriemma, Gaetano Guerra, Luigi Resconi, Robert Waymouth, and Anne-Lise MogstadCite this: Macromolecules 1995,…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTComposition and Temperature Dependence of the Segmental Interaction Parameter in Statistical Copolymer/Homopolymer BlendsD. W. Schubert, V. Abetz, M. Stamm, T. Hack, and W. SiolCite this: Macromolecules 1995, 28, 7, 2519–2525Publication Date (Print):March 1, 1995Publication…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystal and molecular structure of .beta.-D-cellotetraose hemihydrate as a model of cellulose IIS. Raymond, A. Heyraud, D. Tran Qui, A. Kvick, and H. ChanzyCite this: Macromolecules 1995, 28, 6, 2096–2100Publication Date (Print):March 1, 1995Publication History Published onl…
During the preparation of alumina supported platinum catalysts, the precursor [Pt(NH3)4](OH)2 decomposes\nto a neutral Pt(NH3)zO species during the drying process at 120 'C. Treatment in flowing hydrogen at 180\n'C leads to partial reduction of the platinum ammine complex and formation of platinum metal particles. A\n…