Materials Literature
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MBe2BO3F2 (M=Na,K) have been discovered to be nonlinear optical (NLO) materials for UV applications. They have relatively large NLO coefficients: deff is about 2.5 times as large as that of KH2PO4 (λ=1079 nm, Nd:YAP laser), the UV cutoff wavelengths are as short as 155 nm, and they have a moderate birefringence of nea…
A simplified model of the gas-surface chemistry occurring during chemical-vapor deposition of diamond thin films is presented. The model results in simple scaling relations, useful for process scale-up and optimization, for growth rate and defect density in terms of the local chemical environment at the substrate. A s…
During the collapse of an initially spherical cavitation bubble near a rigid wall, a reentrant jet forms from the side of the bubble farthest from the wall. This re-entrant jet impacts and penetrates the bubble surface closest to the wall during the final stage of the collapse. In the present paper, this phenomenon is…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolymer brushes at curved surfacesC. M. Wijmans and E. B. ZhulinaCite this: Macromolecules 1993, 26, 26, 7214–7224Publication Date (Print):December 1, 1993Publication History Published online1 May 2002Published inissue 1 December 1993https://pubs.acs.org/doi/10.1021/ma00078a…
We have devised a kinetic lattice-gas model of an atomic liquid that incorporates the physical features associated with the formation of cages around a particle at high density. The model has simple equilibrium statistics, with a maximum of one particle per lattice site, and simple dynamical rules, so that it is feasi…
In this paper, we describe a numerical method for the calculation of collective diffusion relaxation mechanisms in quenched block copolymer melts. The method entails the repeated calculation of two opposing fields—an external potential field U, conjugate to the density field ρ, and an energetic interaction field E. Th…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDesigning conducting polymer-based sensors: selective ionochromic response in crown ether-containing polythiophenesMichael J. Marsella and Timothy M. SwagerCite this: J. Am. Chem. Soc. 1993, 115, 25, 12214–12215Publication Date (Print):December 1, 1993Publication History Pub…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInteractions of various skeletal intracrystalline components with calcite crystalsS. Albeck, J. Aizenberg, L. Addadi, and S. WeinerCite this: J. Am. Chem. Soc. 1993, 115, 25, 11691–11697Publication Date (Print):December 1, 1993Publication History Published online1 May 2002Pu…
A numerically stable method is presented for the analysis of diffraction gratings of arbitrary profile, depth, and in conical mountings. It is based on the classical modal method and uses a stack of lamellar gratpermittivity to approximate an arbitrary profile. A numerical procedure known as the R-matrix propagation a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNMR study on the coordination behavior of dissymmetric terdentate trinitrogen ligands on methylpalladium(II) compoundsRichard E. Rulke, Jan M. Ernsting, Anthony L. Spek, Cees J. Elsevier, Piet W. N. M. van Leeuwen, and Kees VriezeCite this: Inorg. Chem. 1993, 32, 25, 5769–57…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStereocomplex formation between enantiomeric poly(lactic acids). 9. Stereocomplexation from the meltHideto Tsuji and Yoshito IkadaCite this: Macromolecules 1993, 26, 25, 6918–6926Publication Date (Print):December 1, 1993Publication History Published online1 May 2002Published…
Laser ablation of metals is a new and very powerful method for preparation of surface-enhanced Raman scattering (SERS) active colloids. The method is characterized by its simplicity and versatility. Stable Ag, Au, Pt, Pd, and Cu colloids are prepared by ablation of the metal for ∼10 min in water and organic solvents.…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNuclear magnetic resonance of paramagnetic metalloproteinsIvano Bertini, Paola Turano, and Alejandro J. VilaCite this: Chem. Rev. 1993, 93, 8, 2833–2932Publication Date (Print):December 1, 1993Publication History Published online1 May 2002Published inissue 1 December 1993htt…
The internal structure of ultrathin polymer films physisorbed to surface-modified Si wafers by electrostatic deposition of polyelectrolytes from aqueous solutions has been investigated by measuring the X-ray and neutron reflectivity from partially deuterated samples. For the first time it has been demonstrated that th…
Several aspects of the growth and departure of bubbles from a submerged needle are considered. A simple model shows the existence of two different growth regimes according to whether the gas flow rate into the bubble is smaller or greater than a critical value. These conclusions are refined by means of a boundary-inte…
Measurements of the Kapitza conductance ${\mathrm{\ensuremath{\sigma}}}_{\mathit{K}}$ made using a picosecond optical technique at temperatures between 50 and 300 K are presented for interfaces between metals and dielectrics. The Debye temperatures ${\mathit{FTHETA}}_{\mathit{D}}$ of the metals (Pb, Au, Al, and Ti) we…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIn situ synthesis of silver nanocluster in AOT reverse micellesChristophe Petit, Patricia Lixon, and Marie Paule PileniCite this: J. Phys. Chem. 1993, 97, 49, 12974–12983Publication Date (Print):December 1, 1993Publication History Published online1 May 2002Published inissue…
This review covers the literature through 1991 on nitric oxide catalysis as applied to automobile exhaust systems. Attention is given to the threeway catalyst system which simultaneously promotes the reduction of nitrogen oxides and the oxidation of carbon monoxide and hydrocarbons. These systems have been used on mos…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and properties of two-dimensional nanostructures by direct intercalation of polymer melts in layered silicatesRichard A. Vaia, Hope Ishii, and Emmanuel P. GiannelisCite this: Chem. Mater. 1993, 5, 12, 1694–1696Publication Date (Print):December 1, 1993Publication Hi…
Exchange hardening of nanostructured two-phase systems composed of an aligned hard phase and a soft phase with high magnetization is investigated using an approach which yields analytic nucleation fields from the micromagnetic vector equation, and accounts for interactions between the soft regions. In suitable structu…