Materials Literature
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Techniques for the design of continuously tapered two-dimensional (2D) subwavelength surface-relief grating structures for broadband antireflection surfaces are investigated. It has been determined that the Klopfenstein taper [ Proc. IRE44, 31 ( 1956)] produces the optimum graded-index profile with the smallest depth…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNegative Thermal Expansion and Phase Transitions in the ZrV2-xPxO7 SeriesV. Korthuis, N. Khosrovani, A. W. Sleight, N. Roberts, R. Dupree, and W. W. Jr. WarrenCite this: Chem. Mater. 1995, 7, 2, 412–417Publication Date (Print):February 1, 1995Publication History Published on…
Silicon oxycarbide glasses have been synthesized by inert atmosphere pyrolysis at 1000°C of gel precursors obtained by cohydrolysis of triethoxysilane, HSi(OEt) 3 , and methyl‐diethoxysilane, HMeSi(OEt) 2 . The oxycarbide structures have been carefully characterized by means of different techniques such as 29 Si magic…
Abstract Modified atmosphere packaging is becoming increasingly common. It has been claimed that the technique enables significant shelf‐life extension but in so doing presents an increased public health risk. This paper reviews the literature relating to the scientific basis of these claims. It demonstrates that shel…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparing Catalytic Materials by the Sol-Gel MethodDavid A. Ward and Edmond I. KoCite this: Ind. Eng. Chem. Res. 1995, 34, 2, 421–433Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published inissue 1 February 1995https://pubs.acs.org/d…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTWater Content and Particle Texture of Synthetic Hydrotalcite-like Layered Double HydroxidesSang Kyeong Yun and Thomas J. PinnavaiaCite this: Chem. Mater. 1995, 7, 2, 348–354Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published iniss…
Other| February 01, 1995 H2O solubility in haplogranitic melts: Compositional, pressure, and temperature dependence Francois Holtz; Francois Holtz Centre de Recherches sur la Synthese et la Chimie des Mineraux, CRSCM-CNRS, Orleans, France Search for other works by this author on: GSW Google Scholar Harald Behrens; Har…
Lattice parameters and densities of various rare‐earth oxide doped ceria were measured. For the calculation of lattice parameters, the concept of the oxygen vacancy radius was introduced. The estimated oxygen vacancy radius was 1.164 A for trivalent, rare‐earth oxide doped ceria and 0.993 A for zirconia. The modeling…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTheory of Ionizable Polymer BrushesE. B. Zhulina, T. M. Birshtein, and O. V. BorisovCite this: Macromolecules 1995, 28, 5, 1491–1499Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published inissue 1 February 1995https://pubs.acs.org/do…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTConjugated Aromatic Polyimines. 2. Synthesis, Structure, and Properties of New Aromatic PolyazomethinesChen-Jen Yang and Samson A. JenekheCite this: Macromolecules 1995, 28, 4, 1180–1196Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Pu…
Abstract Two features of the glassy state of an amorphous polymer, which play a key role in determining its mechanical properties, are the distributed nature of the microstructural state and the thermally activated (temporal) evolution of this state. In this work, we have sought to capture these features in a mechanis…
The IBM/TENN/TULANE/LLNL/LBL Beamline 8.0 at the advanced light source combining a 5.0 cm, 89 period undulator with a high-throughput, high-resolution spherical grating monochromator, provides a powerful excitation source over a spectral range of 70–1200 eV for surface physics and material science research. The beamli…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructure and Dynamics of Block Copolymer ColloidsBenjamin ChuCite this: Langmuir 1995, 11, 2, 414–421Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published inissue 1 February 1995https://pubs.acs.org/doi/10.1021/la00002a009https://d…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHyperbranched Aliphatic PolyestersE. Malmstroem, M. Johansson, and A. HultCite this: Macromolecules 1995, 28, 5, 1698–1703Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published inissue 1 February 1995https://pubs.acs.org/doi/10.1021/…
We report a detailed experimental study of a model hard-sphere colloid plus nonadsorbing polymer mixture in which the depletion effect causes phase separation. The key parameter that determines the topology of the phase diagram is the ratio \ensuremath{\xi}=${\mathit{r}}_{\mathit{g}}$/a of the radius of gyration (${\m…
Lactic acid has been an intermediate-volume specialty chemical (world production ∼ 40,000 tons/yr) used in a wide range of food processing and industrial applications. Lactic acid has the potential of becoming a very large volume, commodity-chemical intermediate produced from renewable carbohydrates for use as feedsto…
The XABS2 Fortran program calculates an empirical absorption correction based on minimization of the 2 differences between F2obs and F2calc. The basic algorithm has been used in the crystallography laboratory at the University of California, Davis for over a decade, in the form of the program XABS. XABS relied upon an…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBasic Properties of Mg2+1-xAl3+x Layered Double Hydroxides Intercalated by Carbonate, Hydroxide, Chloride, and Sulfate AnionsVera R. L. Constantino and Thomas J. PinnavaiaCite this: Inorg. Chem. 1995, 34, 4, 883–892Publication Date (Print):February 1, 1995Publication History…
Simple scaling analysis of temperature- and stress-dependent viscosity convection with free-slip boundaries suggests three convective regimes: the small viscosity contrast regime which is similar to convection in a fluid whose viscosity does not depend on temperature, the transitional regime characterized by self-cont…
Other| February 01, 1995 Crystal chemistry of the monazite and xenotime structures Yunxiang Ni; Yunxiang Ni Miami University, Department of Geology, Oxford, OH, United States Search for other works by this author on: GSW Google Scholar John M. Hughes; John M. Hughes Search for other works by this author on: GSW Google…