Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHydrothermal synthesis of copper molybdatesAhmad Moini, Roberta Peascoe, Philip R. Rudolf, and Abraham ClearfieldCite this: Inorg. Chem. 1986, 25, 21, 3782–3785Publication Date (Print):October 1, 1986Publication History Published online1 May 2002Published inissue 1 October 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCobalt(II) bis(1,4,7-trithiacyclononane): a low-spin octahedral complexG. S. Wilson, Dale D. Swanson, and R. S. GlassCite this: Inorg. Chem. 1986, 25, 21, 3827–3829Publication Date (Print):October 1, 1986Publication History Published online1 May 2002Published inissue 1 Octob…
Abstract The effect of impingement mixing on the microstructures developed during a reaction injection molding process in a thermoplastic urethane system was investigated. The polyurethane studied was a 4,4′‐diphenylmethane diisocyanate/l,4‐butane diol/poly(propyleneoxide) end‐capped with poly(ethy1eneoxide) polyol sy…
Electron back‐scattering Mössbauer complemented by x‐ray photoelectron spectroscopy (XPS) has been applied to study the nature of passive films on iron. Data indicate that iron in the films is present as Fe 3+ . While Mössbauer spectra of the films recorded at room and close to liquid helium temperatures more closely…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructure and dynamic behavior of the lithium enolate of acetaldehyde in solutionWenjing Quan and John B. GrutznerCite this: J. Org. Chem. 1986, 51, 22, 4220–4224Publication Date (Print):October 1, 1986Publication History Published online1 May 2002Published inissue 1 October…
Not alchemistry but rather chemistry is the basis for preparing a gold modification: [Au 55 (PPh 3 ) 12 Cl 6 ] can be degraded to naked Au 13 clusters in CH 2 Cl 2 solution by application of a 20‐V d.c. potential, the outer layer of the cluster being lost. These smaller clusters reorganize, in turn, the form superclus…
The dynamics of bulk molecular reorientation in ferroelectric liquid crystals (FLC's) are modeled by a continuum of elastically coupled, overdamped, massless ferroelectric dipoles under the influence of an external electric field. Numerical solution of this system's equation of motion in one dimension shows that reori…
Mesogenic chiral esters of 1-phenyl-1,2-ethandiol, 1-cyclohexyl-1,2-ethanediol, 1,2-diphenyl- 1,2-ethanediol, 1,1´-bi-2-naphthol, 1-phenylethanol, 1-phenyl-2,2,2-trifluorethanol and 1-(9- anthryl)-2,2,2-trifluorethanol were synthesized. The temperature dependence of the molecular twisting power was determined in the n…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhase transitions in nematic liquid crystals: a mean-field theory of the isotropic, uniaxial, and biaxial phasesD. K. Remler and A. D. J. HaymetCite this: J. Phys. Chem. 1986, 90, 21, 5426–5430Publication Date (Print):October 1, 1986Publication History Published online1 May…
The present study examines the magnetic properties of four distinct magnetic systems. First, the range of amorphous Al-Mn films was extended down to 7.5 at. % Mn from the previous limit of 14 at. % obtained on both amorphous films and icosahedral ribbons, such films still exhibiting a local magnetic moment (\ensuremat…
The formula which relates the scaled interface width to the anisotropic interface tension is generalised for an arbitrary orientation of the interface in two dimensions. The relationship between the scaled interface width and the curvature of the equilibrium crystal shape is also generalised.
Abstract The rates of growth of polyethylene single crystals grown from dilute solution in hexadecane and tetradecanol have been measured over the temperature range T c = 98–120°C by following the change in turbidity during crystallization of a suspension of crystals of known shape and final size. The rates decrease s…
Abstract Low‐temperature relaxation behavior was investigated for a bisphenol‐A and three spiroring type epoxide resins cured with aromatic and spiro‐ring‐type diamines. A new well‐defined relaxation denoted here as the β′ relaxation was observed from 50 to 100°C for the spiro‐ring‐type resin systems in both mechanica…
A colloidal tracer system suitable for light scattering experiments has been prepared. The nonaqueous dispersion comprises host and tracer particles of 0.66 μm diameter in which the refractive index of the dispersion medium is adjusted to that of the host particles. Both the host polymer particles and the inorganic tr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCharacteristics of platinum thin films on titanium dioxide(110)Y. M. Sun, D. N. Belton, and J. M. WhiteCite this: J. Phys. Chem. 1986, 90, 21, 5178–5182Publication Date (Print):October 1, 1986Publication History Published online1 May 2002Published inissue 1 October 1986https…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystalline isomerism in (.mu.-oxo)bis[(phthalocyaninato)iron(III)]: further characterization of the isomer having a linear or quasi-linear Fe-O-Fe bond system (.mu.-oxo(2))Claudio Ercolani, Marcello Gardini, Keith S. Murray, Giovanna Pennesi, and Gentilina RossiCite this: I…
Extraction of lipids from bacterial cells or sewage sludge samples followed by simple and rapid extraction procedures and room temperature esterification with pentafluorobenzylbromide allowed combined determinations of poly-beta-hydroxyalkanoate constituents and fatty acids. Capillary gas chromatography and flame ioni…
We investigate a random walk model for describing mixed alkali effects in ionic conductors of the β-alumina type. In our model, the observed drastic variation in the transport properties of the mixed crystals is related to critical properties near a percolation threshold, which originates from the blocking of conducti…
A stable adduct was isolated from copper(I1) chloride and the stable free radical 2-phenyl-4,4,5,5-tetramethylimidazoline- 1-oxy1 3-oxide. The stoichiometry of the adduct is 1:2, and a crystal structure analysis has shown the copper ion to be four planar coordinated by two chlorine atoms and two oxygen (nitroxyl) atom…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDiscotic mesophases of dirhodium tetracarboxylatesAnne Marie Giroud-Godquin, Jean Claude Marchon, Daniel Guillon, and Antoine SkouliosCite this: J. Phys. Chem. 1986, 90, 22, 5502–5503Publication Date (Print):October 1, 1986Publication History Published online1 May 2002Publis…