Materials Literature
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It remains an elusive goal to obtain high performance single-walled carbon-nanotube (SWNT) electronics such as field effect transistors (FETs) composed of single- or few-chirality SWNTs, due to broad distributions in as-grown materials. Much progress has been made by various separation approaches to obtain materials e…
Phase-change memory (PCM) is becoming widely recognized as the most likely candidate to unify the many memory technologies that exist today (Lee, et al., 2007). The combination of non-volatile attributes of flash, RAM-like bit-alterability, and fast reads and writes position PCM to enable changes in the memory subsyst…
Single-walled carbon nanotubes (SWNTs) are cylindrical graphitic molecules that have remained at the forefront of nanomaterials research since 1991, largely due to their exceptional and unusual mechanical, electrical, and optical properties. The motivation for understanding how nanotubes interact with light (i.e., SWN…
A dynamic surface force apparatus is used to determine the intrinsic flow boundary condition of two simple liquids, water and dodecane, on various smooth surfaces. We demonstrate the impact of experimental errors and data analysis on the accuracy of slip length determination. In all systems investigated, the dissipati…
The common and cosmopolitan freshwater benthic diatom Sellaphora pupula (Kütz.) Mereschk. is a model system for studying the nature of species in microalgae; the biological significance of morphological variation in this species complex has been widely demonstrated. The aim of this study was to establish a two-gene ph…
Abstract Many theoretical and experimental studies deal with the realization of room‐temperature ferromagnetism in dilute magnetic semiconductors (DMS). However, a detailed quantitative understanding of the electronic properties of transition metal doped semiconductors has often been neglected. This article points out…
This paper reports on an experimental investigation on the effect of clothing thermal properties on the comfort sensations of wearers during sport activities. A sweating manikin"Walter" - was used to measure the clothing thermal properties (namely, thermal insulation, moisture vapor resistance and moisture accumulatio…
Thermal boundary conductance is becoming increasingly important in microelectronic device design and thermal management. Although there has been much success in predicting and modeling thermal boundary conductance at low temperatures, the current models applied at temperatures more common in device operation are not a…
The syntheses, spectroscopic characterization, and fluorescence quenching efficiencies of 1,1-silole− and 1,1-silafluorene−phenylenedivinylene polymers are reported. Model dimeric metallole compounds containing a phenylenedivinylene bridge have been synthesized to provide detailed structural and spectroscopic insight…
Corrosion of ZE41 initiated in the α-Mg matrix adjacent to the eutectic micro-constituent and was attributed to micro-galvanic corrosion of the α-Mg matrix coupled to the eutectic micro-constituent. The eutectic micro-constituent did not act as a corrosion barrier and did not stop the advance of the corrosion. As a co…
Mesoporous nanocompartment films composed of silica particles and hollow silica capsules were prepared by the layer-by-layer (LbL) technique. The resulting mesoporous nanocompartment films possess special molecular encapsulation and release capabilities so that stimuli-free auto-modulated stepwise release of water or…
Sewage sludge presents a dual rheological behaviour with an abrupt change between the two regimes. Using a new technique of reconstruction of the velocity profile, the behaviour can be modelled by a unique equation including liquid and solid components but also a structural parameter. It is also rigorously demonstrate…
Effectiveness of drag reduction by small addition of a surfactant in the turbulent flow of water depends on the structure and concentration of the additive, temperature of the solution and turbulence intensity, possible flow disturbance by a mechanical obstacle and the content of ions in water, but also on the age of…
The rheologies of a shear-frozen commercial ice cream and of a model ice cream foam have been studied at − 5ºC and other temperatures by capillary rheometry on a commercial manufacturing line and in a Multi-Pass Rheometer, respectively. Both were 50 vol% aerated emulsions of milk fat in an aqueous sucrose solution, bu…
We show that the rheological characteristics of a fresh cement paste can be determined from inclined plane tests. The apparent flow curve measured from inclined plane flows coincides with the apparent rheogram from classical rheometer tests and the flow curve obtained from local Couette flow measurements with magnetic…
The structural behavior of gaudefroyite, Ca8Mn3+6[(BO3)6(CO3)2O6], was determined by using Rietveld refinements based on synchrotron powder X-ray-diffraction data from 25 to 486°C. The structure was also refined at 25°C using synchrotron high-resolution powder X-ray-diffraction (HRPXRD) data that gave the pseudohexago…