Materials Literature
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The complexation of cis or trans meso-dipyridyl porphyrins by cis or trans substituted metal ions (PdII, PtII) of square planar coordination geometry leads to the self-assembly of multiporphyrin arrays of square architecture.
Adsorption isotherms of argon, nitrogen and oxygen have been determined at 77 K on a sample of MCM-41, a novel form of aluminosilicate. All the isotherms are Type IV in the IUPAC classification. The argon and oxygen isotherms exhibit well defined hysteresis loops, whereas the nitrogen isotherm is completely reversible…
A new version of the Rietveld-refinement program RIETAN has been developed for the analysis of angle-dispersive X-ray and neutron powder diffraction data. It has several features such as the modified pseudo-Voigt function of Thompson, Cox and Hastings, representation of peak asymmetry by a multi-term Simpson's rule in…
Organic Conductors: An Overview. Basic Physical Concepts of Organic Conductors. Molecular Design of Organic Conductors. Chemical Synthesis and Crystal Growth Techniques. Organic Conductors: The Crystallographic Approach. Optical Properties. Magnetic, ESR, and NMR Properties. Organic Semiconductors. Organic Metals. Org…
The stabilities of Pt/Ti bilayer metallizations in an oxidizing atmosphere have been investigated with several thicknesses of interfacial Ti-bonding layers. Reactions in the Pt/Ti/SiO2/Si interface were examined as a function of various annealing conditions in the temperature range 200–800 °C by using Rutherford backs…
Substitution of vanadium into the framework of mesoporous MCM-41 molecular sieves has been achieved; these materials were found to be very efficient catalysts for the selective oxidation of large organic molecules using hydrogen peroxide.
A new way to tailor the crystal chemistry of inorganic solids involves molecular recongnition between two‐dimensional organic templates and embryonic inorganic aggregates. Langmuir monolayers adopted as model surfaces offer opportunities for molecular engineering of the template. The Figure shows one example of orient…
Partial table of contents: The Vision of Diamond as an Engineered Material (M. Yoder). Summary of Research on Diamond Growth from the Gas Phase in Russia (D. Fedoseev). Development and Status of Diamondlike Carbon (A. Grill & B. Meyerson). Vapor Phase Diagnostics in Diamond CVD (H. Thorsheim & J. Butler). Physical, Ch…