Electrochromism in Nickel Oxide Thin Films Studied by OMA and Raman Spectroscopy
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An extended universal coexistence curve for polymer solutions
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAn extended universal coexistence curve for polymer solutionsBenjamin Chu and Zhulun WangCite this: Macromolecules 1988, 21, 7, 2283–2286Publication Date (Print):July 1, 1988Publication History Published online1 May 2002Published inissue 1 July 1988https://pubs.acs.org/doi/1…
Electron hopping in one dimension: mixed conductor membranes
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectron hopping in one dimension: mixed conductor membranesRichard P. BuckCite this: J. Phys. Chem. 1988, 92, 14, 4196–4200Publication Date (Print):July 1, 1988Publication History Published online1 May 2002Published inissue 1 July 1988https://pubs.acs.org/doi/10.1021/j10032…
Study of Nonstoichiometry of 〈U 1– z Gd z O 2± x 〉
The extensive nonstoichiometry in the 〈U 1– z Gd z O 2± x 〉 phase was investigated experimentally and the data are represented by a chemical thermodynamic method. The experimental ranges of temperature, oxygen potential, and z were 1273 to 1773 K, 0 to −600 kJ/mol, and 0.1 to 0.8, respectively. For hypostoichiometry,…
Synthesis and x-ray structure of a symmetrical bis(.eta.5-dicarbollide) aluminum sandwich
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and x-ray structure of a symmetrical bis(.eta.5-dicarbollide) aluminum sandwichMarc A. Bandman, Carolyn B. Knobler, and M. Frederick HawthorneCite this: Inorg. Chem. 1988, 27, 14, 2399–2400Publication Date (Print):July 1, 1988Publication History Published online1 M…
Hydrolytic trimer of chromium(III). Synthesis through chromite cleavage and use in the preparation of the "active" trimer hydroxide
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHydrolytic trimer of chromium(III). Synthesis through chromite cleavage and use in the preparation of the "active" trimer hydroxideLeone Spiccia, Werner Marty, and Rudolf GiovanoliCite this: Inorg. Chem. 1988, 27, 15, 2660–2666Publication Date (Print):July 1, 1988Publication…
Microstructure and Crystal Structure of Bismuth Oxide Phases in Zinc Oxide Varistor Ceramics
The microstructure and crystal structure of bismuth oxide phases of as‐sintered and additionally heat‐treated ZnO varistor ceramics was examined by means of transmission electron microscopy and X‐ray powder diffraction. Grains of β‐Bi 2 O 3 present in as‐sintered samples were found to consist of two types of domains w…
Adhesion of polymers to metals: A review of the results obtained studying a model system
Abstract Following a rapid overview of the various mechanisms involved in the process of polymer adhesion to metals, modelling is attempted in order to describe, at molecular scale, the metal—polymer interface in its technological reality. In particular, the concept of an active site is explained and the role of these…
Raman study of order and disorder in SiGe ultrathin superlattices
We present a Raman scattering study of ultrathin SiGe superlattices. The spectra show evidence for the formation of superlattice structures with disordered interfaces. We explain the Raman peak energies in terms of strain and confinement effects and present a simple model for the Raman spectrum, from which we obtain s…
The Al-Mn decagonal phase 1. A re-evaluation of some diffraction effects 2. Relationship to crystalline phases
From a quenched, melt-spun ribbon of a specimen of Al76Mn24, bulk composition, the decagonal phase and a closely related ‘Al3Mn’ phase have been examined using analytical electron microscopic techniques. It is proposed that descriptions of the decagonal phase by analogy to an icosahedral axial system be abandoned and…
Isotropic-liquid crystal phase equilibrium in solutions of semiflexible polymers: poly(hexyl isocyanate)
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIsotropic-liquid crystal phase equilibrium in solutions of semiflexible polymers: poly(hexyl isocyanate)Takashi Itou and Akio TeramotoCite this: Macromolecules 1988, 21, 7, 2225–2230Publication Date (Print):July 1, 1988Publication History Published online1 May 2002Published…
Anisotropic exchange in dinuclear complexes with polyatomic bridges. 2. Crystal and molecular structure and EPR spectra of tetraphenylphosphonium bis(.mu.-pyrazolato)bis[dihydrobis(1-pyrazolyl)borato](.mu.-chloro)dicuprate(II). Magneto-structural correlations in bis(.mu.-pyrazolato)-bridged copper(II) complexes
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAnisotropic exchange in dinuclear complexes with polyatomic bridges. 2. Crystal and molecular structure and EPR spectra of tetraphenylphosphonium bis(.mu.-pyrazolato)bis[dihydrobis(1-pyrazolyl)borato](.mu.-chloro)dicuprate(II). Magneto-structural correlations in bis(.mu.-pyr…
Structure and properties of sputtered carbon overcoats on rigid magnetic media disks
Sputtered carbon overcoats on commercial rigid disks with thin‐film magnetic media are studied using transmission electron analysis (microscopy, microdiffraction, and energy‐loss spectroscopy), Raman spectroscopy, Auger spectroscopy, ellipsometry, x‐ray diffraction, and microhardness testing. Data from transmission el…
Kinetic model for tensile deformation of polymers. 2. Effect of entanglement spacing
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetic model for tensile deformation of polymers. 2. Effect of entanglement spacingYves Termonia and Paul SmithCite this: Macromolecules 1988, 21, 7, 2184–2189Publication Date (Print):July 1, 1988Publication History Published online1 May 2002Published inissue 1 July 1988htt…
Gas-phase reactions of hydroxyl radicals with the fuel additives methyl tert-butyl ether and tert-butyl alcohol over the temperature range 240-440 K
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGas-phase reactions of hydroxyl radicals with the fuel additives methyl tert-butyl ether and tert-butyl alcohol over the temperature range 240-440 KTimothy J. Wallington, Philippe. Dagaut, Renzhang. Liu, and Michael J. KuryloCite this: Environ. Sci. Technol. 1988, 22, 7, 842…
Cloning and Nucleotide Sequence of the Highly Thermostable Neutral Protease Gene from Bacillus stearothermophilus
The gene (nprM) for the highly thermostable neutral protease of Bacillus stearothermophilus MK232 was cloned in Bacillus subtilis using pTB53 as a vector. The nucleotide sequence of nprM and its flanking regions was determined. The DNA sequence revealed only one large open reading frame, composed of 1656 base pairs an…
Ohmic contacts to semiconducting diamond
A solid-state reaction process for producing ohmic contacts to polished natural semiconducting diamond surfaces is discussed. The approach attempts to systematically characterize the processes which occur when metallic films of known thickness are deposited on a smooth diamond surface and annealed in the solid state u…
Depth dependence for extended x-ray-absorption fine-structure spectroscopy detected via electron yield in He and in vacuum
X-ray absorption spectra have been measured using electron detection with both vacuum and helium gas surrounding the samples. The samples consisted of thin iron films covered with various thicknesses of aluminum to determine the contribution versus depth. The height of the iron K--absorption-edge jump decreases expone…
Damage‐Enhanced Creep in a Siliconized Silicon Carbide: Phenomenology
The creep behavior of a commercial grade of reaction‐bonded silicon carbide was characterized at a temperature of 1300°C. Creep occurred more easily in tension than in compression. At a given applied stress, the steady‐state creep rate in tension was found to be at least 20 times that obtained in compression. In both…
Studies on some radical transfer reactions by entrapping the radicals as polymer endgroups. Part IV. Reaction of the ȮH radical with carboxylic acids
Abstract The reaction of the OH radical with some carboxylic and hydroxycarboxylic acids was investigated by trapping the resultant radicals as endgroups of poly(methyl methacrylate), which were detected and estimated by the sensitive dye partition technique. The rate constants of the reaction at 25°C and p H = 1.0 wi…