Solubility of α ‐ Al2 O 3 in Fused Na2 SO 4 at 1200 K
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Refinement of the crystal structure of botallackite
Abstract The crystal structure of botallackite, Cu 2 (OH) 3 Cl, monoclinic, a = 5.717(1), b = 6.126(1), c = 5.636(1)Å, β = 93.07(1)°, V = 197.06(5)Å 3 , space group P 2 1 / m , Z = 1, has been refined to an R index of 3.8% for 350 observed (4 σ ) reflections, measured with Mo- Kα X-radiation on an automatic four-circl…
The Creutz-Taube complex revisited: crystallographic study of the electron-transfer series (.mu.-pyrazine)decaamminediruthenium ([(NH3)5Ru(Pyz)Ru(NH3)5]n+ (n = 4-6))
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Creutz-Taube complex revisited: crystallographic study of the electron-transfer series (.mu.-pyrazine)decaamminediruthenium ([(NH3)5Ru(Pyz)Ru(NH3)5]n+ (n = 4-6))Urs Fuerholz, Stefan Joss, Hans Beat Buergi, and Andreas LudiCite this: Inorg. Chem. 1985, 24, 6, 943–948Publi…
The morphology of diatoms epizoic on cetaceans and their transfer fromCocconeisto two new genera,BennettellaandEpipellis
Electron microscopical studies of diatoms growing on the skin of cetaceans and assigned to the genus Cocconeis have been carried out with material from both hemispheres. The results of this study have led to establishment of two new genera, Bennettella and Epipellis. Bennettella includes the former Cocconeis ceticola…
Mixed-valence complexes containing the V2O33+ core. Structure and properties of H[V2O3(pmida)2].cntdot.4H2O and K7[V9O16(bdta)4].cntdot.27H2O
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMixed-valence complexes containing the V2O33+ core. Structure and properties of H[V2O3(pmida)2].cntdot.4H2O and K7[V9O16(bdta)4].cntdot.27H2OJean Pierre Launay, Yves Jeannin, and Maria DaoudiCite this: Inorg. Chem. 1985, 24, 7, 1052–1059Publication Date (Print):March 1, 1985…
Microporous aluminum oxide films at electrodes
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMicroporous aluminum oxide films at electrodesCary J. Miller and Marcin MajdaCite this: J. Am. Chem. Soc. 1985, 107, 5, 1419–1420Publication Date (Print):March 1, 1985Publication History Published online1 May 2002Published inissue 1 March 1985https://pubs.acs.org/doi/10.1021…
Environmentally Enhanced Crack Growth in Soda‐Lime Glass
Crack growth data are presented for soda‐lime glass in various chemical environments. It is shown that the same environments which govern crack growth rates in vitreous silica also do so in soda‐lime glass. The slopes and positions of the crack growth curves in soda‐lime glass are shown to differ from those in vitreou…
Comparison of solutions for TM-polarized nonlinear guided waves
We show that physically realistic solutions for nonlinear TM waves guided by thin dielectric films are obtained in the uniaxial approximation for a dielectric constant proportional to the square of the normal-field component and not of the parallel-field component as assumed previously.
Dye‐Laser Spectroscopy of Commercial Y 2 O 3 : Eu3 + Phosphors
Commercial Y 2 O 3 : Eu phosphors, formulated at constant europium content, exhibit under 254 nm excitation plaque‐brightness variations of up to 10%. Several working models are proposed to explain this variation in emission brightness, and their physical implications on the spectral behavior of the Y 2 O 3 : Eu mater…
Occurrence of Interstratified Kaolinite‐Smectite in El Salvador Vertisols
Abstract The mineralogy of six profiles from the Median Trough of El Salvador has been investigated. Most of these soils have vertic properties and are developed from Quaternary alluvium. The mineralogical evolution of these soils has been influenced by intermittent additions of a readily soluble source of silica and…
α- And β-(Bedt-TTF)2I3 – Two Modifications With Contrasting Groundstate Properties: Insulator and Volume Superconductor
The α-modification of (BEDT-TTF)2 I3 undergoes a metal-to-insulator transition at T = 135 K. Application of hydrostatic pressure shifts the transition temperature to lower values. Above 12 kbar semimetallic behavior is observed, but no superconductivity is detected up to a pressure of 17 kbar and temperatures down to…
Synthesis, reactivity, and x-ray crystal structure of dichloro(phthalocyaninato)titanium(IV)
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis, reactivity, and x-ray crystal structure of dichloro(phthalocyaninato)titanium(IV)V. L. Goedken, G. Dessy, C. Ercolani, and V. FaresCite this: Inorg. Chem. 1985, 24, 7, 991–995Publication Date (Print):March 1, 1985Publication History Published online1 May 2002Publi…
Czochralski Silicon Crystals Grown in a Transverse Magnetic Field
Turbulent convection in silicon melts used in the Czochralski crystal‐growth method was found to be effectively suppressed by applying a transverse magnetic field over 2000G. When turbulent convection is suppressed, it was found that the oxygen concentration in the resulting silicon crystals could be precisely control…
Stress Induced Voids in Aluminum Interconnects During IC Processing
Voids in the aluminum metallization of integrated circuits can be created under certain device fabrication conditions. The formation and characteristics of these defects have been studied in detail. It is found that the density and size of the metal voids have a strong functional dependence on the compressive stress o…
Model copolymers of ethylene with butene‐1 made by hydrogenation of polybutadiene: Chemical composition and selected physical properties
Abstract Hydrogenation of polybutadienes with from 8 to nearly 100% vinyl content was used to prepare a series of model copolymers of ethylene and butene‐1 with uniform microstructures and narrow molecular weight distributions. They range from readily crystallizable to completely amorphous, depending on the frequency…
Sticking coefficients for atoms and molecules at the surfaces of interstellar dust grains
A fully quantum mechanical model of the particle–surface sticking process is developed, and calculations are performed for a variety of atoms, molecules and solids of relevance to the interstellar medium. The sticking coefficient is a sensitive function of the nature of the particle–surface interaction and the lattice…
Catalytic electroreduction of molecular oxygen using iron or cobalt 4,4',4",4'"-tetracarboxyphthalocyanine
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCatalytic electroreduction of molecular oxygen using iron or cobalt 4,4',4",4'"-tetracarboxyphthalocyanineNagao Kobayashi and Yoshiyuki NishiyamaCite this: J. Phys. Chem. 1985, 89, 7, 1167–1170Publication Date (Print):March 1, 1985Publication History Published online1 May 20…
Structure evolution during spinodal decomposition of polymer blends
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructure evolution during spinodal decomposition of polymer blendsGert R. StroblCite this: Macromolecules 1985, 18, 3, 558–563Publication Date (Print):March 1, 1985Publication History Published online1 May 2002Published inissue 1 March 1985https://pubs.acs.org/doi/10.1021/m…
Experimental Evidence for a Nematic to Smectic A Tricritical Point in Alkylcyanobiphenyl Mixtures
An adiabatic scanning calorimeter has been used to investigate the temperature dependence of the enthalpy and the heat capacity near the smectic A (A) to nematic (N) phase transition in mixtures of alkylcyanobiphenyl (nCB) liquid crystals. Mixtures of 8CB + 10 CB with small N-ranges undergo first-order transitions, bu…
Potassium Release Kinetics and Plant Response in Calcareous Soils
Abstract Greenhouse and laboratory experiments were conducted to characterize the K supply and nonexchangeable K release kinetics in calcareous soils. Twelve soils were exhaustively cropped with alfalfa ( Medicago sativa L.) in the greenhouse for 584 d (16 cuttings). Yield, K uptake, and changes in NH 4 OAc exchangeab…