Materials Literature
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Hydrothermal synthesis of Fe‐pum‐pellyites was conducted using high pressure cold‐seal apparatus and solid oxygen buffering techniques at temperatures between 250°C and 550°C and 2.0–9.1 kbar P fluid . Fe‐pumpellyites were synthesized from partially crystalline gel mixtures of compositions: 4CaO ‐ 2.1Al 2 O 3 _1.5FeO…
ADVERTISEMENT RETURN TO ISSUEPREVArticleConformational characterization of silk fibroin in intact Bombyx mori and Pilosamia cynthia ricini silkworms by carbon-13 NMR spectroscopyTetsuo Asakura, Hiroshi Suzuki, and Yasuo WatanabeCite this: Macromolecules 1983, 16, 6, 1024–1026Publication Date (Print):June 1, 1983Public…
We studied thin films of cuprous oxide deposited on glass coated with transparent conducting indium–tin oxide (ITO) films. The deposition of both Cu2O and ITO was made by rf sputtering in an Ar/O2 gas mixture. For the deposition of Cu2O a pure copper target was used and ITO films were deposited from a disk target, the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCoordinately unsaturated clusters. A novel catalytic reactionR. R. Burch, A. J. Shusterman, E. L. Muetterties, R. G. Teller, and Jack M. WilliamsCite this: J. Am. Chem. Soc. 1983, 105, 11, 3546–3556Publication Date (Print):June 1, 1983Publication History Published online1 Ma…
The structure of various imidazoles on the surfaces of copper and gold mirrors has been studied by Fourier transform infrared reflection–absorption spectroscopy in order to elucidate the molecular mechanisms of corrosion inhibition of metal surfaces by imidazoles. Heptadecylimidazole, undecylimidazole, phenylimidazole…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSingle-crystal magnetic study on ferromagnetic manganese(II) phthalocyaninateSamaresh Mitra, A. K. Gregson, William E. Hatfield, and Robert R. WellerCite this: Inorg. Chem. 1983, 22, 12, 1729–1732Publication Date (Print):June 1, 1983Publication History Published online1 May…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA bis-pocket porphyrinKenneth S. Suslick and Mary M. FoxCite this: J. Am. Chem. Soc. 1983, 105, 11, 3507–3510Publication Date (Print):June 1, 1983Publication History Published online1 May 2002Published inissue 1 June 1983https://doi.org/10.1021/ja00349a023RIGHTS & PERMISSION…
A series of electrochemical measurements have been performed on a variety of n‐ and p‐type Si wafers of {100} and {111} orientation in aqueous . It has been determined that {100} surfaces have similar, systematic features regardless of carrier type and doping level below 10 20 cm −3 , while {111} surfaces have a diffe…
Abstract The influence of the addition of two ethylene‐propylene random copolymers (EPM) with different composition on the mechanical properties, thermal behavior and overall morphology of high density polyethylene (HDPE)/isotactic polypropylene (iPP) blends, was investigated on extruded samples. The experimental data…
Abstract An improved cube method has been developed for calculating the intensity of diffuse x‐ray scattering of macromolecules in solution using a certain set of their atomic coordinates. The technique is based on the ideas of B. Lee and F. M. Richards [(1971) J. Mol. Biol. 55 , 374–400] and Richards [(1977) Annu. Re…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSmall-angle neutron scattering study of block copolymer morphologyRandal W. Richards and J. L. ThomasonCite this: Macromolecules 1983, 16, 6, 982–992Publication Date (Print):June 1, 1983Publication History Published online1 May 2002Published inissue 1 June 1983https://pubs.a…
Reliable blood-brain transfer constants can be determined from data obtained in single-time experiments (i.e., a single experimental time for tissue sampling). The accuracy of such measurements depends on factors such as the test molecule used and the experimental time chosen; therefore, the selection of optimal exper…
Abstract Electrical conductivity in magnetite has been studied experimentally as a function of temperature and oxygen activity between 560 and 1400°C. The results indicate that above T C (=575°C) an octahedral site small polaron mechanism is dominant over the entire temperature range ( E a = 0.1136 eV). By comparing d…
Elastic compliance measurements are reported in $\mathrm{K}{\mathrm{Ta}}_{1\ensuremath{-}x}{\mathrm{Nb}}_{x}{\mathrm{O}}_{3}$ mixed crystals exhibiting a concentration-dependent ferroelectric phase-transition temperature ${T}_{c}$. For concentrations $x\ensuremath{\ge}0.008$, an anomaly is observed at ${T}_{c}$ in the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and characterization of a hydroxyl-bridged iron(III) dimer of N,N'-ethylenebis(salicylamine)Londa Borer, Linda Thalken, Christopher Ceccarelli, Milton Glick, Jian Hua Zhang, and William Michael ReiffCite this: Inorg. Chem. 1983, 22, 12, 1719–1724Publication Date (P…
No abstract available.
Recent calculations on coincidence twist grain boundaries in oxides with the rocksalt structure have shown that the interfaces are only weakly bound. This is in contrast with experiment in which twist grain boundaries have been observed in MgO. The static lattice relaxation calculation presented here predicts a restru…
Dislocation behaviour in fatigued copper single crystals with [123] and [111] fatigue axes has been investigated dynamically by in situ experiments with a high-voltage electron microscope to clarify the origin of persistent slip bands (PSBs) and how the ladder structure is formed. From observations of the fatigued [12…
Abstract The complete manuscript of this communication appears in: Angew. Chem. Suppl. 1983 , 655. DOI: 10.1002/anie.198306550
Abstract Mineralogical and chemical analyses of fine clay fractions from in and around Lake Abert, Lake County, Oregon, show that the pyroclastic rocks supplying detritus to the lake weather to a suite of layer silicate clay minerals varying from high-charge dioctahedral montmorillonite to montmorillonite/intergrade s…