Materials Literature
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Molecular-dynamics simulations of monatomic liquids interacting via a modified Johnson potential have been carried out to investigate the structure of liquids and the microscopic mechanism of the glass transition. The structure of liquids is described in terms of spherical harmonic representations of topology of local…
Monitoring the formation of ultrathin films by scanning force microscopy provides information, for example, on the concentration dependence of the film structure (the Figure shows micelle agglomeration from high concentration solutions to form a layer with holes) and insight into the process from micelle formation to…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Liquid Crystal Opto-optical Switch: Nondestructive Information Retrieval Based on a Photochromic Fulgide as TriggerSlawomir Z. Janicki and Gary B. SchusterCite this: J. Am. Chem. Soc. 1995, 117, 33, 8524–8527Publication Date (Print):August 1, 1995Publication History Publis…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInfluence of Preadsorbed Block Copolymers on Protein Adsorption: Surface Properties, Layer Thickness, and Surface CoverageC. G. P. H. Schroen, M. A. Cohen Stuart, K. van der Voort Maarschalk, A. van der Padt, and K. van't RietCite this: Langmuir 1995, 11, 8, 3068–3074Publica…
${\mathrm{Co}}_{80}$${\mathrm{Sm}}_{20}$/${\mathrm{Fe}}_{65}$${\mathrm{Co}}_{35}$ bilayer and multilayer films with Cr underlayers and overlayers have been fabricated and studied. All the samples prepared have in-plane anisotropy and the hysteresis loops were simple single loops for ${\mathit{t}}_{\mathrm{FeCo}}$\ensu…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpin Densities and Spin Coupling in Iron-Sulfur Clusters: A New Analysis of Hyperfine Coupling ConstantsJ.-M. Mouesca, L. Noodleman, D. A. Case, and B. LamotteCite this: Inorg. Chem. 1995, 34, 17, 4347–4359Publication Date (Print):August 1, 1995Publication History Published…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTXANES and EXAFS Studies on the Ir-O Bond Covalency in Ionic Iridium PerovskitesJin-Ho Choy, Dong-Kuk Kim, Sung-Ho Hwang, Gerard Demazeau, and Duk-Young JungCite this: J. Am. Chem. Soc. 1995, 117, 33, 8557–8566Publication Date (Print):August 1, 1995Publication History Publish…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA New Water-Soluble, Self-Doping Conducting Polyaniline from Poly(o-aminobenzylphosphonic acid) and Its Sodium Salts: Synthesis and CharacterizationH. S. O. Chan, P. K. H. Ho, S. C. Ng, B. T. G. Tan, and K. L. TanCite this: J. Am. Chem. Soc. 1995, 117, 33, 8517–8523Publicati…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSelective Nucleation and Growth of an Organic Polymorph by Ledge-Directed Epitaxy on a Molecular Crystal SubstrateSalvatore J. Bonafede and Michael D. WardCite this: J. Am. Chem. Soc. 1995, 117, 30, 7853–7861Publication Date (Print):August 1, 1995Publication History Publishe…
A test method for probing oxidation embrittlement in ceramic‐matrix composites has been devised and demonstrated for three composites: SiC/magnesium aluminosilite, SiC/SiC, and SiC/Al 2 O 3 . The method identifies a “pest” temperature T p . The growth of an embrittled region from the surface, at T P , has been illustr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolymerization of .epsilon.-Caprolactone Initiated by Aluminum Isopropoxide Trimer and/or TetramerAndrzej Duda and Stanislaw PenczekCite this: Macromolecules 1995, 28, 18, 5981–5992Publication Date (Print):August 1, 1995Publication History Published online1 May 2002Published…
Active reaction sites for reduction in electrode have been characterized by addressing the origin of the cathodic polarization effects on this electrode material. Cathodic polarization (up to −1.2 V vs. Pt reference electrode) had several effects on reduction kinetics. First, the reduction rate was favorably increased…
The substrate specificities of extracellular lipases purified from Bacillus subtilis, Pseudomonas aeruginosa, Pseudomonas alcaligenes, Pseudomonas fluorescens, and Burkholderia cepacia (former Pseudomonas cepacia) and of extracellular polyhydroxyalkanoate (PHA) depolymerases purified from Comamonas sp., Pseudomonas le…
The Mg 2+ insertion into layered vanadium bronzes, , has been studied with regard to their use as positive electrodes of magnesium ion transfer batteries. In acetonitrile‐based electrolytes maximum specific charges of ∼200 Ah/kg were measured but the charge decreases rapidly with the increasing cycle number. A salt me…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrical and optical properties of porous nanocrystalline TiO2 filmsFei Cao, Gerko Oskam, Peter C. Searson, Jeremy M. Stipkala, Todd A. Heimer, Fereshteh Farzad, and Gerald J. MeyerCite this: J. Phys. Chem. 1995, 99, 31, 11974–11980Publication Date (Print):August 1, 1995Pu…
A new transparent conducting Zn 2 In 2 O 5 film is demonstrated. The film was prepared by rf magnetron sputtering using binary compound targets composed of In 2 O 3 and ZnO (with a Zn content (Zn/(Zn+In)) of 5-45 at%). The electrical properties were relatively independent of the substrate temperatures between room tem…
${\mathrm{La}}_{2}$${\mathrm{NiO}}_{4.125}$ exhibits a cooperative ordering of dopant-induced holes and Ni spins below a transition temperature of 110 K. There is also an ordering of interstitial oxygens that occurs near room temperature. We present a comprehensive analysis of experimentally observed superlattice inte…
Interfacial defect theory is applied to the epitaxial ferroelectric system consisting of a tetragonal ferroelectric such as BaTiO3 or PbTiO3 grown onto a cubic (001) substrate. The interfacial defects that result from the diffusionless paraelectric to ferroelectric (PE→FE) phase transition are treated under the constr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRate Constants for Charge Injection from Excited Sensitizer into SnO2, ZnO, and TiO2 Semiconductor NanocrystallitesRichard W. Fessenden and Prashant V. KamatCite this: J. Phys. Chem. 1995, 99, 34, 12902–12906Publication Date (Print):August 1, 1995Publication History Publishe…
A study of the stresses in a ferroelectric capacitor stack deposited on an oxidized silicon substrate is presented. The capacitor stack was prepared with sputtered Pt bottom and top electrodes and a ferroelectric film of composition PbZrxTi1−xO3 (PZT) with x≊0.5 which was deposited using a modified sol-gel technique.…