Materials Literature
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The minimization of particle contamination during wet processing of Si wafers, such as from particles in solutions with surfactants, was studied. It was demonstrated that particle deposition on wafer surfaces in solutions is determined by an attractive or a repulsive electrostatic force through the zeta potentials of…
Electron-beam induced deposition has been shown to be capable of creating structures of nanometer size in three dimensions without supplementary process steps like lift-off or etching procedures. Tips can be produced with radii of curvature comparable to the beam diameter used for deposition, i.e., some nanometers. By…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrophilic Activation of Aliphatic C-H Bonds Mediated by Zirconium Hydride Entities and Applied to the Functionalization of the Porphyrinogen PeripheryDenis Jacoby, Sylviane Isoz, Carlo Floriani, Angiola Chiesi-Villa, and Corrado RizzoliCite this: J. Am. Chem. Soc. 1995,…
Abstract 2,2′‐Bis(2‐oxazoline) and 2,2′‐bis[5,6‐dihydro‐(4H)‐1,3‐oxazine] have been used as chain coupling reagents ( CC ) and reacted in the bulk with α,ω‐dicarboxy‐poly(2,2′‐oxydiethylene adipate) ( PS ) or with α,ω‐dicarboxy‐polyamide 12 ( PA ). The reactions have been followed by viscosimetry, titration of COOH gr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTConvenient Synthesis of Water Soluble, Isomerically Pure Ruthenium Phthalocyanine ComplexesGerald E. Bossard, Michael J. Abrams, Marilyn C. Darkes, Jean F. Vollano, and Robert C. BrooksCite this: Inorg. Chem. 1995, 34, 6, 1524–1527Publication Date (Print):March 1, 1995Public…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTComparative Bonding and Photophysical Properties of 2,2'-Bipyridine and 2,2'-Bipyrazine in Tetracyano Complexes Containing Ruthenium and OsmiumMonica E. Garcia Posse, Nestor E. Katz, Luis M. Baraldo, Diego D. Polonuer, Claudio G. Colombano, and Jose A. OlabeCite this: Inorg.…
In situ XANES (x‐ray absorption near‐edge structure) was used to study galvanostatic reduction of the passive film on iron. In a borate buffer, the film appears to be removed in a layer‐by‐layer fashion by reductive dissolution during the first potential arrest. A burst of dissolution takes place at the end of the arr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTVapor-Liquid Critical Properties of Elements and Compounds. 1. An Introductory SurveyDouglas Ambrose and Colin L. YoungCite this: J. Chem. Eng. Data 1995, 40, 2, 345–357Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Published inissue 1 Ma…
Results of the oxidation of polycrystalline silver films with hyperthermal (8–12 km/s) oxygen atoms are presented. The oxidation process is monitored using two techniques. The mass gain of a silver film is measured with a quartz crystal microbalance (QCM) and the resistance of a thin strip of the polycrystalline film…
Polarized Ni K-edge x-ray-absorption spectroscopy (XAS) results on ${\mathrm{La}}_{2\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{Sr}}_{\mathit{x}}$${\mathrm{NiO}}_{4}$ (x=0.2--1.3) are presented and interpreted with the aid of polarized Cu K-edge results on the high-${\mathit{T}}_{\mathit{c}}$ analog material ${\mathr…
Three important aspects of the preparation of SrTiO3 thin films by MOCVD are discussed in detail in view of the application of these films as the capacitor dielectric of Gbit-scale DRAMs: CVD reactions in the Sr(DPM)2-Ti(i-OC3H7)4-O2 system, step coverage and relations between microstructure and electrical properties.…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemistry of Chromium(II) Hexacyanochromate(III) and Electrochemically Induced Isomerization of Solid Iron(II) Hexacyanochromate(III) Mechanically Immobilized on the Surface of a Graphite ElectrodeAles Dostal, Uwe Schroeder, and Fritz ScholzCite this: Inorg. Chem. 199…
In this study poly(β-hydroxybutyrate) (PHB) was used as a spreading material to form LB monolayers at the air-water interface. Isotherms were found to show a transition at about 14 mN/m that is argued to be associated with a phase transition in the monolayer. Stable monolayers could be obtained at various surface pres…
We have undertaken a study of the propagation of carriers in one-dimensional (1D) aperiodic systems within the tight-binding scheme under the action of electric fields. We have concentrated on the Fibonacci (F) and Thue-Morse (TM) lattices, which are of great practical importance since these structures can be fabricat…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTracer Diffusion in the Blends of Polystyrene and Tetramethylbisphenol A PolycarbonateEugene Kim, Edward J. Kramer, and John O. OsbyCite this: Macromolecules 1995, 28, 6, 1979–1989Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Published i…
The kinetics of the displacive cubic‐to‐tetragonal ( c → t ′) phase transformation and the evolution of twin structure of Y 2 O 3 ‐ZrO 2 systems were investigated by employing the time‐dependent Ginzburg‐Landau equations, in which the displacive modes were described by nonconserved order parameters. The original elast…
Graft copolymerization of methyl methacrylate (MMA) or 2-hydroxyethyl methacrylate (HEMA) onto poly(3-hydroxybutyrate) (PHB) and its copolymer poly(3-hydroxybutyrate-co-3-hydroxyvalerate) {P(HBHV)} was carried out by using simultaneous radiation and preirradiation techniques from a 60Co γ-rays source. Degree of grafti…
Abstract Solvent swelling of natural rubber composites, containing both untreated and acetylated short sisal fiber, has been investigated in a series of normal alkanes such as pentane, hexane, heptane and octane. The restriction on elastomer swelling exerted by sisal fiber as well as the anisotropy of swelling of the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Characterization of High-Spin Iron(III) 2-Hydroxy-5,10,15,20-tetraphenylporphyrin. The Unprecedented Example of the Cyclic Iron Porphyrin TrimerJacek Wojaczynski and Lechoslaw Latos-GrazynskiCite this: Inorg. Chem. 1995, 34, 5, 1044–1053Publication Date (Print)…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Mechanism of Inner-Hydrogen Migration in Free Base Porphyrin: Ab Initio MP2 CalculationsJ. R. Reimers, T. X. Lue, M. J. Crossley, and N. S. HushCite this: J. Am. Chem. Soc. 1995, 117, 10, 2855–2861Publication Date (Print):March 1, 1995Publication History Published online…