Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSelf-assembling nickel clusters form binding sites for alkali metal cations: novel analogs of enolate aggregatesOtto F. Schall, Kerry Robinson, Jerry L. Atwood, and George W. GokelCite this: J. Am. Chem. Soc. 1993, 115, 14, 5962–5969Publication Date (Print):July 1, 1993Publi…
Repeated point contact loading has been used to investigate the deformation and fracture of single‐crystal magnesium oxide subjected to cyclic loading by softer metallic cones at room temperature. The results of the investigation clearly indicate that MgO is susceptible to cyclic fatigue. An explanation for the mechan…
In situ ellipsometry may be used for real time measurements on growing films through windows in deposition systems. It is well known that the initial film growth may be in the form of islands and other structures which may ultimately develop into a nearly homogeneous, isotropic growing film. Consequently, measurements…
Article Beiträge zum thermischen Verhalten von Sulfaten: IX. Einkristallstrukturverfeinerung der Metall(III)-sulfate Cr2(SO4)3 und Al2(SO4)3 was published on July 1, 1993 in the journal Zeitschrift für Kristallographie - Crystalline Materials (volume 204, issue 1-2).
The insertion of a Gly residue (designated as Gly-80b) between the C-cap of the alpha II-helix (Gln-80) and the N-cap of the alpha III-helix (Trp-81) in Escherichia coli ribonuclease HI enhances the protein stability by 0.4 kcal/mol in delta G (Kimura, S., Nakamura, H., Hashimoto, T., Oobatake, M., & Kanaya, S. (1992)…
X-ray masks present a measurement object that is different from most other objects used in semiconductor processing because the support membrane is, by design, x-ray transparent. This characteristic can be used as an advantage in electron beam-based x-ray mask metrology since, depending upon the incident electron beam…
Extensive coverage of previous work in the area of weavability limit theories, their experimental validation, and their practical importance is reviewed. The review also includes previous work on maximum construction relationships derived empirically, as well as a comparison of different theories and empirical studies.
A model silica-supported copper catalyst has been studied with temperature programmed desorption, x-ray photoelectron spectroscopy, infrared reflection–absorption spectroscopy, and scanning tunneling microscopy. The reactions of water and nitric oxide on the Cu/SiO2 catalyst were also investigated. The model catalyst…
Article METAL-DIRECTED MACROCYCLIZATION REACTIONS INVOLVING FORMALDEHYDE, AMINES AND MONO- OR BI-FUNCTIONAL METHYLENE COMPOUNDS was published on July 1, 1993 in the journal Reviews in Inorganic Chemistry (volume 13, issue 3).
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInteraction of hydrogen cyanide/deuterium cyanide with silicon(100)-2.times.1Y. Bu, L. Ma, and M. C. LinCite this: J. Phys. Chem. 1993, 97, 27, 7081–7087Publication Date (Print):July 1, 1993Publication History Published online1 May 2002Published inissue 1 July 1993https://pu…
Adsorption and dissociation of CO2 on Fe(100) was studied using temperature programmed desorption, x-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), high-resolution electron energy-loss spectra (HREELS), and low-energy electron diffraction. CO2 adsorbs on Fe(100) at 110 K to form tw…
Work clothes using fabrics with vapor-transmitting characteristics are in limited use in various industrial applications, and there is a growing interest in their purported ability to help reduce heat stress. This study was performed to compare two vapor-transmitting ensembles with other clothing ensembles previously…
Abstract The homopolycondensation of 4‐fluoro‐4′‐trimethylsiloxy(diphenyl sulfone) ( 2 ) in bulk and its cocondensation with 4‐fluoro‐4′‐trimethylsiloxybenzophenone ( 1 ) yielded high‐molecular‐weight, amorphous (co)poly(ether‐sulfone)s. The cocondensation with 4,4′‐difluoro(diphenyl sulfone) ( 4 ) afforded telechelic…
Transparent gas barriers are receiving considerable attention in the plastics industry for roll coating applications. The three principle vacuum deposition processes, evaporation, sputtering and plasma processing are the focus of transparent gas barrier work at various converters, resin producers and equipment manufac…
Abstract Six bis(4-cyano-1-pyridinio) derivatives have been synthesized and deposited onto electrodes by cathodic electropolymerization (ERed = −0.64 — −0.74 V vs. SCE) under basic conditions. The deposited films were constructed of polyviologens that showed characteristic electrochromisms with colorless or slightly y…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLow-temperature chemical vapor deposition of ruthenium dioxide from ruthenium tetroxide: a simple approach to high-purity RuO2 filmsZheng Yuan, Richard J. Puddephatt, and Michael SayerCite this: Chem. Mater. 1993, 5, 7, 908–910Publication Date (Print):July 1, 1993Publication…
General solutions to the problems of the elastic field perturbation produced by an elliptic inhomogeneity with an adhering or a slipping interface are used to investigate the image glide force exerted on an edge dislocation. Glide equiforce contours are worked out for different values of the relative hardness, the geo…
Abstract Radical ion salts of both chiral (R,R) and racemic organic donor, (Me2ET)2X (Me2ET = trans-dimethylbis(ethylenedithio)tetrathiafulvalene, X = PF6, ClO4, and ReO4) were electrochemically prepared and their crystal structures were analyzed. The donor molecules are stacked in a twist-type column to reduce steric…
NIST is in the process of developing a new scanning electron microscope (SEM) magnification calibration reference standard useful at both high and low accelerating voltages. This standard will be useful for all applications to which the SEM is currently being used, but it has been specifically tailored to meet many of…
Poly( p-phenylene-benzobisoxazole), PBO, is a member of a family of rigid-rod, lyotropic liquid crystal polymers which can be fabricated into fiber, film and composites. PBO exhibits exceptional ignition resistance, low heat release rate, and very low smoke emission. PBO's fire, smoke, and toxicity (FST) properties ar…