Materials Literature
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Advances have been made in the electronic characterization and analysis of thin-film ferroelectric (FE) memory capacitors using capacitance vs. voltage (C-V) measurements. A mathematical model of the small-signal electrical behavior of the FE capacitor has been developed. This analysis shows that the small-signal char…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFourier-transform infrared and electron spectroscopy for chemical analysis studies of block copolymers of styrene and dimethylsiloxaneXin Chen, Joseph A. Gardella Jr., and Philip L. KumlerCite this: Macromolecules 1992, 25, 24, 6621–6630Publication Date (Print):November 1, 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies of the changes occurring on reduction and reoxidation of CuY zeolitesJuan O. Petunchi, George Marcelin, and W. Keith HallCite this: J. Phys. Chem. 1992, 96, 24, 9967–9975Publication Date (Print):November 1, 1992Publication History Published online1 May 2002Published…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTConducting polymer blends: polypyrrole and poly(vinyl methyl ketone)Hsing Lin Wang and Jack E. FernandezCite this: Macromolecules 1992, 25, 23, 6179–6184Publication Date (Print):November 1, 1992Publication History Published online1 May 2002Published inissue 1 November 1992ht…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPartial paramagnetism of the chromium-chromium quadruple bondF. Albert Cotton, Hong Chen, Lee M. Daniels, and Xuejun FengCite this: J. Am. Chem. Soc. 1992, 114, 23, 8980–8983Publication Date (Print):November 1, 1992Publication History Published online1 May 2002Published inis…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemical and spectroscopic study of the transport properties of composite polymer electrolytesF. Croce, B. Scrosati, and G. MariottoCite this: Chem. Mater. 1992, 4, 6, 1134–1136Publication Date (Print):November 1, 1992Publication History Published online1 May 2002Publ…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetamagnetic properties of a family of ferromagnetic alternating spin chains: bis(dimethylglyoximato)(carboxylato)manganese(III)copper(II)Francesc Lloret, Rafael Ruiz, Miguel Julve, Juan Faus, Yves Journaux, Isabel Castro, and Michel VerdaguerCite this: Chem. Mater. 1992, 4,…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCooperative structure formation by directed noncovalent interactions in an unpolar polymer matrix. 7. Differential scanning calorimetry and small-angle x-ray scatteringChristopher Hilger and Reimund StadlerCite this: Macromolecules 1992, 25, 24, 6670–6680Publication Date (Pr…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermogravimetric analysis/mass spectrometry investigation of the thermal conversion of organosilicon precursors into ceramics under argon and ammonia. 2. Poly(silazanes)N. S. Choong Kwet Yive, R. J. P. Corriu, D. Leclercq, P. H. Mutin, and A. ViouxCite this: Chem. Mater. 19…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetalloradical reactions of rhodium(II) porphyrins with acrylates: reduction, coupling, and photopromoted polymerizationBradford B. Wayland, George Poszmik, and Michael FrydCite this: Organometallics 1992, 11, 11, 3534–3542Publication Date (Print):November 1, 1992Publication…
Abstract The rheological behavior of wood fiber/polyethylene composites made of corona treated constituents was investigated. Corona treatment of one or both of the constituents resulted in decreased melt viscosities relative to compounds containing untreated materials. The reduction of melt viscosity may originate fr…
Abstract The effect of a cold remote N 2 plasma (CRNP) or N 2 + O 2 plasma (CRNOP) on poly(ether ether ketone) (PEEK) is studied. The amount of nitrogen or oxygen uptake and functionalities are determined by x‐ray photoelectron spectroscopy (XPS). After CRNP treatment, the N/C and O/C atomic ratios are 0.301 and 0.333…
Surface-mediated alignment of nematic liquid crystals with polarized laser light was reported recently [1]. In this communication we describe the alignment of a guest–host liquid crystal medium with polarized laser light. Liquid crystals in the illuminated region orient perpendicular to the direction of the laser pola…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLow-temperature pyrolytic transformations of tri-tert-butoxysiloxy derivatives of aluminum to aluminosilicate materialsKarl W. Terry, Peter K. Ganzel, and T. Don TilleyCite this: Chem. Mater. 1992, 4, 6, 1290–1295Publication Date (Print):November 1, 1992Publication History P…
Water vapor buffering of hygroscopic fabrics during wear has been studied using both theoretical modeling and wear trials. Both theoretical predictions and experimental observations demonstrate that highly hygroscopic wool fabrics absorb significantly more sweat than fabrics of very low hygroscopicity, such as polyest…
We report on the properties of ${\mathrm{La}}_{\mathit{x}}$${\mathrm{Sr}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{VO}}_{3}$ which has a phase diagram which is similar to Sr-doped ${\mathrm{La}}_{2}$${\mathrm{CuO}}_{4}$ in that it too shows a composition-induced insulator-to-metal transition with strontium dopin…
Polymer films, based on aniline‐, phenol‐, normal vinyl‐ and heterocyclic/vinyl‐type monomers, were synthesized on mild steel by various electropolymerizations (EPs), and their corrosion resistance and structure were investigated because a new coating system with corrosion resistance for mild steel has been obtained.…
Aqueous solution of phenol was irradiated with ultrasonic waves of sufficient intensity to induce cavitation. The phenol was exponentially degradated, because of the formation of reactive species produced by water decomposition and reaction with water and oxygen. The degradation pathway for phenol was similar to that…
The levels of volatile sulphur compounds (VSC) in periodontal pockets and mouth air have been found to correlate with severity of the disease process. The purpose of this study was to examine the influence of hydrogen sulphide and methyl mercaptan on protein metabolism of human gingival fibroblasts. The incorporation…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSelf-assembly of delocalized .pi.-stacks in solution. Assessment of structural effectsChuan Jian Zhong, Wing Sum V. Kwan, and Larry L. MillerCite this: Chem. Mater. 1992, 4, 6, 1423–1428Publication Date (Print):November 1, 1992Publication History Published online1 May 2002Pu…