Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLead(II)/platinum(II) complexes with and without Pb-Pt interactionsAlan L. Balch, Ella Y. Fung, Jeffrey K. Nagle, Marilyn M. Olmstead, and Stephen P. RowleyCite this: Inorg. Chem. 1993, 32, 15, 3295–3299Publication Date (Print):July 1, 1993Publication History Published onlin…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotodegradation of .alpha.-olefin/carbon monoxide alternating copolymerFrank Y. Xu and James C. W. ChienCite this: Macromolecules 1993, 26, 14, 3485–3489Publication Date (Print):July 1, 1993Publication History Published online1 May 2002Published inissue 1 July 1993https://p…
The texture of a cold-rolled and heat-treated 50.8 Ti 49.2 Ni (at.%) sheet has been determined and designated as [l brace]110[r brace] left angle 1 anti 10 rightangle [sub p]. According to the crystallography of the martensitic transformation in TiNi this texture would result in a maximum planar anisotropy of the tens…
Carbon grains less than 1 μm in diameter have been formed in low pressure rare-gas discharges using graphite electrodes and audio frequency excitation. The grains have been examined in situ with Mie etching scattering to determine growth rates and ex situ using scanning and transmission electron microscopies to quanti…
Cross-sectional transmission electron microscopy has been used to investigate the implanted layer in glassy carbon irradiated with 50 keV C ions to a dose of 5×1016 ions/cm2. It was found that in addition to the formation of an amorphous surface layer approximately 100 nm deep, the ion-beam modified layer was compacte…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotoinduced intramolecular electron transfer in bisviologen-linked porphyrin in acetonitrileJunji Hirota and Ichiro OkuraCite this: J. Phys. Chem. 1993, 97, 26, 6867–6870Publication Date (Print):July 1, 1993Publication History Published online1 May 2002Published inissue 1 J…
Abstract The title heteroarene (TBD) isoelectronic with perylene was synthesized by way of a dimerization of thieno[2,3-b]thiophene. In addition, 1,4,5,8-tetramethyl, tetraethyl, tetrakis (methylthio), and tetrakis (ethylthio) derivatives were readily obtained from TBD. An X-ray crystallographic analysis of TBD demons…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructure of copper(II) ethylenediamine complexes in aqueous and neat ethylenediamine solutions and solvent-exchange kinetics of the copper(II) ion in ethylenediamine as studied by EXAFS and NMR methodsYasuhiro Inada, Kazuhiko Ozutsumi, Shigenobu Funahashi, Sayo Soyama, Taku…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular structure of imidazolate-bridged binuclear zinc complex and its single-crystal ESR spectra doped with bridged copper-zinc complexZ. W. Mao, K. B. Yu, D. Chen, S. Y. Han, Y. X. Sui, and W. X. TangCite this: Inorg. Chem. 1993, 32, 14, 3104–3108Publication Date (Print…
We use the so-called Evans heat flow algorithm and the color conductivity algorithm to calculate the thermal conductivity, λ, and self-diffusion, D, tensors of a model liquid crystal forming fluid, the Gay–Berne fluid. We compared the conductivities of the isotropic phase, the nematic liquid crystal phase, and the sme…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTProcessible poly(arylene ether ketones) that can be crosslinked to high-performance networksKenneth A. Walker, Larry J. Markoski, and Jeffrey S. MooreCite this: Macromolecules 1993, 26, 14, 3713–3716Publication Date (Print):July 1, 1993Publication History Published online1 M…
The domain structure of ferroelectric or ferroelastic materials, arising as a result of the cubic-tetragonal transition inside an epitaxial layer, are considered. A thermodynamic theory of the size and arrangement of the domains has been developed. The dependence of the equilibrium domain structure on the epitaxial la…
The real nature of the mechanism of bipolaron conduction in conducting polymers and the discussion as to whether the charging–discharging currents in these materials are of a capacitive or a redox nature are central questions in conducting polymer research. Here, a number of methyl endcapped thiophene oligomers are st…
Unidirectional and cross‐ply Nicalon fiber‐reinforced calcium aluminosilicate (CAS) glass‐ceramic composite specimens were subjected to tension–tension cyclic fatigue and static fatigue loadings. Microcrack densities, longitudinal Young's modulus, and major Poisson's ratio were measured at regular intervals of load cy…
In this investigation, a model predicting toughness anisotropy in textured ceramics containing elongated grains and in composites reinforced with rod‐shaped particles is presented. The model predictions are based on the assumption that crack deflection is the only toughening mechanism. In the model, toughness anisotro…
We have studied the response of the sidebranches of pivalic acid dendrites, growing by directional solidification, to localized periodic thermal perturbations. The perturbations were generated by a laser beam focused near the tip of a single dendrite growing in a glass capillary, with the pulse duration, repetition ra…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGas-phase chemistry and thermochemistry of the hydroxysulfide anion, HOS-Richard A. J. O'Hair, Charles H. DePuy, and Veronica M. BierbaumCite this: J. Phys. Chem. 1993, 97, 30, 7955–7961Publication Date (Print):July 1, 1993Publication History Published online1 May 2002Publis…
The results summarize the problem associated with grafting of maleic anhydride (MAH) on polypropylene (PP) in the melt phase and also describe a new method for grafting PP with MAH in the solid phase. The effectiveness of the solid phase modified maleated polypropylene (MAH-PP) as interphase modifier has been document…
Conformational energy computations have been used to demonstrate that side-chain-backbone interactions contribute substantially to the stabilization of the triple-helical structure of collagen with a natural sequence. The minimum-energy conformation has been determined for a short triple-helical segment from the N-ter…
There has been controversy recently regarding the interpretation of measurements from scratched electrodes. In this work, a discussion of the various effects of ohmic drop on bared surface measurements is presented. Experiments were conducted in which the interaction between the surrounding filmed surface and the bare…