CMOS image sensor on microcavities and local SOI-structures
The structure of sensor images on “silicon-oninsulator” local structures is proposed and possibility of monolithic integration of sensing elements and signal processing systems is shown.
Materials Literature
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Analysis of defectoscopic signals using the wavelet, adapted to detection signals from transverse cracks in the head of a rail
Analysis of the signals obtained at magnetodynamic flaw detection of the railway tracks by the continuous wavelet transform (CWT) using adapted to detection some defects wavelet is considered.
Research on scanning characteristics of periodically-nonuniform dielectric plate
In this paper scanning capabilities of periodically-nonuniform dielectric plate are tested in order to create scanning antennas and radiative devices for the millimetric and optical ranges waves.
The Post-closure Radiological Safety Case for a Spent Fuel Repository in Sweden
Sweden is at the forefront among countries developing plans for a deep geological repository of highly radioactive waste. There is no such repository in operation yet worldwide, but Sweden, Finland and France are approaching the licensing stage. At the request of the Swedish government, the NEA organised an internatio…
Pushing Bits Through a Spin Wire
Short chains of iron atoms deposited on a metal surface could be used to transmit bits of magnetic information.
The Evaluation of Double‐Layer Clothing in a Semiconductor Manufacturing Environment
Abstract This study aims to investigate the influence of double‐layer clothing in a semiconductor manufacturing clean‐room environment. Twenty subjects including ten males and ten females participated in this study. Each subject completed four treatment combinations with four different inner pieces of clothing (i.e.,…
Polystyrene/calcium carbonate nanocomposites prepared by in situ polymerization in the presence of maleic anhydride
Abstract Polystyrene (PS)/calcium carbonate (CaCO3) nanocomposites were prepared by in situ polymerization in the presence of maleic anhydride (MA). The composites were characterized by Fourier transform infrared spectra, gel permeation chromatography, differential scanning calorimetry, controlled stress rheometer, sc…
Computer analysis of digital images with quasiperiodical structure
In this paper method of computer identification are proposed to identifying different type of multiple cracks on deformed nanocoating surface.
Use of stochastic methods for treatment of cyclic random processes of multiple cracking
New methods for treatment of significant amounts of data on nucleation and coalescence of defects were developed. The analysis of the surface condition of modern nanocoated materials was performed.
Optical Properties of \(\text{CuInS}_{2}\) Thin Films Prepared by Spray Pyrolysis
Polycrystalline CuInS\(_{2}\) (CIS) absorber films for solar cells were prepared by spray pyrolysis of aqueuos solution of copper chloride, indium chloride and thiourea onto heated glass substrates. By optimizing the spray parameters, such as reducing/increasing the temperature of the substrate and molar ratio of Cu/I…
Energy Loss in Carbon Nanotube Beam Oscillators due to Anelastic Relaxation
We present a semi-analytical approach to study the energy dissipation in carbon nanotube (CNT) beam oscillators under gigahertz excitation. The energy dissipation properties are quantified by the quality factor (Q factor) and associated anelastic properties. Our study reveals that the Q factor is related to the tube r…
Modified Stoney's Formulas for Small-Scaled Bilayer Systems
The mechanics of a small-scaled bilayer film-substrate system subject to temperature variation is studied. The modified couple stress theory is employed to take account of the size effects that are usually observed in small-scaled structures. In addition, the effect of weak bonding between the film and substrate is ex…
Fractionation of extractable aluminium and biomass production in an acid soil treated with calcareous amendments
A Typic Palexerult in the "raña" formations of the northern plateau in the province of León (Spain) was subjected to acidity correction field tests over a period of three years. The experimental crop was a local rye variety (Secale cereale L. var. Petkus) and the amendments included gypsum, dolomite, limestone and sug…
Synthesis, Characterization, Antibacterial and Antifungal Activity of Yttrium(III) Complexes Including 1,10‐Phenanthroline
Abstract Two rare metal coordination complexes of yttrium(III) including 1,10‐phenanthroline, Y(phen)2(NO3)3 and (phenH)2[Y2(pydc)3(NO3)2·6H2O] (phen=1,10‐phenanthroline, pydc=2,6‐pyridinedicarboxylate), and a proton transfer compound (phenH+)2(pydc2−) were synthesized and characterized by elemental analysis, molar co…
Rate dependence of the serrated flow in Ni-10Pd during high temperature instrumented microindentation
Instrumented indentation tests were conducted on a pure nickel and a Ni-10Pd solid solution at 450 °C with loading rates varying from 62.5 to 1000 mN/s. The load–depth curves from the pure nickel exhibited a smooth and continuous transition; while the load–depth curves from the Ni-10Pd were initially smooth and then b…
The Effect of Rolling and Crimping on Cell-Seeded Synthetic Scaffolds for the Development of Transcatheter Valves by Tissue Engineering
Transcatheter valve replacement using bioprosthetics is a common procedure, however limited due to graft durability. The aim of this study was to verify the mechanical durability of tissue engineered constructs to crimping necessary for transcatheter deployment. Polyurethane patches were seeded with human vascular cel…
Evaluation of the bond polarizabilities of zincblende‐type semiconductors: Application to the Raman spectra of disordered GaSb/AlSb (001) superlattices
Abstract We derive expressions for the bond polarizability (BP) parameters involving only directly measurable quantities, such as dielectric and elasto‐optic constants of the bulk crystal and apply them to zincblende‐type crystals. The vibrational modes are calculated on the basis of an eleven (11) parameter rigid‐ion…
Determination of stick-slip stage of single and multiple yarn ends pull-out in para-aramid (Kevlar®) woven fabric
The aim of this study was to understand the stick-slip properties of para-aramid woven fabrics. For this reasons, pull-out test was conducted on para-aramid Kevlar® 29 and Kevlar® 129 woven fabrics. The force–displacement curve from each fabric sample was obtained. The stick-slip region and accumulative retraction for…
Stress Analysis and Structural Optimization of a Three-Layer Composite Cladding Tube Under Thermo-Mechanical Loads
A general solution for the stress and strain fields in a three-layer composite tube subjected to internal and external pressures and temperature changes is first derived using thermo-elasticity. The material in each layer is treated as orthotropic, and the composite tube is regarded to be in a generalized plane strain…
Martensitic structure and magnetic domain transformation in melt‐spun Ni–Mn–Ga ferromagnetic ribbons
Abstract Ni53Mn23.8Ga23.2 ribbons were fabricated by melt‐spinning and subsequent high vacuum annealing process. The structure and magnetic properties of the as‐spun and annealed ribbons were investigated by X‐ray diffraction (XRD), scanning electron microscopy (SEM), differential scanning calorimeter (DSC), and vibra…