Materials Literature
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The ever-growing application of clays in nanotechnology rests on fundamental principles of colloid chemistry. They make soils as nature’s great electrostatic chemical reactor. Highly anisotropic and often irregular particle shape, broad particle size distribution, different types of charges within the unit cells, hete…
In this paper we find a realization for the D'B'-boundary conditions, which imposes vanishing normal derivatives of the normal components of the D and B fields. The implementation of the DB boundary, requiring vanishing normal components of D and B, is known. It is shown that the realization of the D'B' boundary can b…
Three dimensional (3D) unsteady computations were carried out to understand the effects of transverse magnetic field (TMF) on thermal fluctuations in the melt of a 300 mm Cz-Si crystal growth. A developed LES program with the dynamic SGS model was employed to predict the melt turbulence with or without TMF. The effect…
Ni-nanostructures are electrochemically deposited within the pores of mesoporous silicon. The porous silicon template is fabricated with straight and separated pores. The geometry of the metal deposits can be tuned in a wide size range between 50 nm and a few micrometers and thus specimens with specific magnetic prope…
The outcoupling of light from AlGaAs-based light-emitting diodes (LEDs) can be improved by means of metal nanoparticles deposited on the surface of the device: light that would otherwise remain trapped in the high-refractive-index material by total internal reflection is scattered to the outside. We present an experim…
Abstract The ever-growing application of clays in nanotechnology rests on fundamental principles of colloid chemistry. They make soils as nature’s great electrostatic chemical reactor. Highly anisotropic and often irregular particle shape, broad particle size distribution, different types of charges within the unit ce…
WAT (Wafer Acceptance Test) and VBD (Voltage Breakdown) distribution are not merely a function of critical dimension and oxide thickness as were seen on conventional BEOL process on larger technology node. The complexity of electrical and reliability parameter becomes more on advanced technology node, i.e. 65nm and su…
Electronic transport properties through some model quantum systems are re-visited. A simple tight-binding framework is given to describe the systems where all numerical calculations are made using the Green's function formalism. First, we demonstrate electronic transport in four different polycyclic hydrocarbon molecu…
A novel polysaccharide-based method for protein crystallization has been developed for industrial purposes. In this paper, we describe the application of this new method in crystal growth for X-ray diffraction structural studies of proteins. We have tested the crystallization of three commercially available proteins—l…
A new formalism for electromagnetic and mechanical momenta in a metamaterial is developed by means of the technique of wave-packet integrals. The medium has huge mass density and can therefore be regarded as almost stationary upon incident electromagnetic waves. A clear identification of momentum density and momentum…
This chapter contains sections titled: Pottery Metallurgy Conclusions Metallurgy
The random phase approximation (RPA) stands on the top rung of the ladder of ground-state density functional approximations. The simple or direct RPA has been found to predict accurately many isoelectronic energy differences. A nonempirical local or semilocal correction to this direct RPA leaves isoelectronic energy d…
The electronic and optical properties of cubic Ga_1-xIn_xN ternary alloys are theoretically investigated using the sp3s* tight-binding model, with the inclusion of spin-orbit interaction, versus composition and valence-band offset (VBO), stimulating the lattice-relaxation effects. Usually, the bowing of the band-gap e…
Although redox shuttles have been demonstrated to provide overcharge protection for up to 200 cycles, the existence of the solid-electrolyte-interphase (SEI) seems to be inherently incompatible with a successful shuttle reaction. The apparent selectivity of the SEI remains largely unaddressed in literature and provide…
Abstract Colliodal cadmium sulfide quantum dots (Q‐CdS), ranging in size from 1 to 5 nm and capped with dioctyl sulfosuccinate (AOT), were synthesized and deposited upon substrates of gold (Au), mica, and gallium arsenide (GaAs). Fluorescence spectroscopy is used to identify the range and maxima of excitation and emis…
New phosphonated cross-linked materials were synthesized from telomers obtained by reaction between 10-undecenol and dialkyl hydrogenphosphonates. Telomers were then converted to materials resins by methacrylation reactions. Finally, photopolymerization of the different materials synthesized was achieved and influence…
Most organic coatings are pigmented with Titanium Dioxide (TiO2) to increase their covering power. TiO2 can be photoactivated under UV irradiation causing the formation of free radicals leading to accelerated degradation of the polymeric coating and release of Carbon Dioxide (CO2). In commercial paint systems expensiv…
A wet-chemical etching technique was successfully developed for patterning Ga-doped ZnO (GZO) fine lines (line/space: 2/2 um) comparable to those of indium-tin-oxide (ITO) electrodes used in current leading-edge liquid crystal displays (LCDs). This includes the development or selection of alkaline solutions for the li…
Gold and copper ball bonds were isothermally aged under moist conditions (85°C and 85% relative humidity (RH)) and wet conditions (85°C in DI water with and without NaCl) in an effort to better understand the corrosion mechanisms that operate under moist and wet conditions. The objective of this work is to undertake a…
A one-dimensional, two-phase, steady-state, multi-component transport as well as electrochemistry behavior mathematic model of a PEM fuel cell cathode is presented in this study. The catalyst layer structure is considered to be a cylindrical thin-film agglomerate. The objective of the study is to investigate the effec…