Materials Literature
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Aluminum doped zinc oxide (ZnO:Al) films were deposited on (112̄0) oriented sapphire substrates heated to 200 °C with a radio-frequency (rf) power ranging from 25 to 170 W for a deposition rate in the range 0.7–27.4 nm min−1 by rf-magnetron sputtering from a ZnO target mixed with Al2O3 of 2 wt. %. All of the films dep…
An experimental technique has been developed to study the electrokinetic behavior of gas bubbles in aqueous electrolyte solutions. It was found that bubbles are negatively charged in NaCl solutions whereas, under certain conditions, they become positively charged in MgCl2 solutions. The observed charge reversal in the…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Raman and ultraviolet diffuse reflectance spectroscopic investigation of silica-supported molybdenum oxideClark C. Williams, John G. Ekerdt, Jih Mirn Jehng, Franklin D. Hardcastle, Andrzej M. Turek, and Israel E. WachsCite this: J. Phys. Chem. 1991, 95, 22, 8781–8791Public…
A BN interphase has been deposited, by isothermal/isobaric chemical vapor infiltration (ICVI) from BF 3 ─NH 3 , within a preform made from ex‐polycarbosilane (ex‐PCS) fibers, at about 1000°C. In a second step, the BN‐treated preform was densified with SiC deposited from CH 3 SiCl 3 ─H 2 at about the same temperature.…
Using a larger data set and more detailed analysis, we continue our examination of the zero-temperature vibrational spectrum of a glass of soft spheres by computer simulation. As in our previous study [Phys. Rev. Lett. 66, 636 (1991)], a normal-mode analysis shows clearly the existence of (quasi-)localized modes at th…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNovel aspects in the structure of poly(ethylene terephthalate) as revealed by means of small angle x-ray scatteringC. Santa Cruz, N. Stribeck, H. G. Zachmann, and F. J. Balta CallejaCite this: Macromolecules 1991, 24, 22, 5980–5990Publication Date (Print):October 1, 1991Publ…
Abstract Polymers were synthesized from substituted phenolic and aromatic amine compounds with hydrogen peroxide as the source of an oxidizing agent and horseradish peroxidase enzyme as the catalyst. The polymerization reaction was carried out in a monophasic organic solvent with small amounts of water at room tempera…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotoinduced processes in dyads and triads containing a ruthenium(II)-bis(terpyridine) photosensitizer covalently linked to electron donor and acceptor groupsJean Paul Collin, Stephane Guillerez, Jean Pierre Sauvage, Francesco Barigelletti, Luisa De Cola, Lucia Flamigni, and…
Progress and current issues in quasicrystals, D.P. DiVincenzo and P.J. Steinhardt order and disorder in icosahedral alloys, P.A. Bancel neutron scattering approaches to quasicrystals, Ch. Janot and M. de Boissieu high-resolution electron microscopy of quasicrystals, K. Hiraga scanning tunnelling microscopy studies of…
Machine learning (ML) is transforming all areas of science. The complex and time-consuming calculations in molecular simulations are particularly suitable for an ML revolution and have already been profoundly affected by the application of existing ML ...Read More