Materials Literature
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Article Families of Generalized Variational Principles for Linear Micromorphic Electroelasticity and Electroelastodynamics was published on June 1, 2010 in the journal International Journal of Nonlinear Sciences and Numerical Simulation (volume 11, issue 6).
In present paper the influence of mixing time of two powders (alumina and aluminum) on the properties of alumina-based ceramics is studied. It is shown that upon stirring in an ultra low speed ball mill up to 150 hours the homogeneity of the mixture increases with a following decrease at longer stirring times. The opt…
Article Mathematical Analysis of Equilibrium Isotherm for Reactive Dyes using Nano-cellulose containing Polyhedral Oligomeric Silsesquioxanes was published on June 1, 2010 in the journal International Journal of Nonlinear Sciences and Numerical Simulation (volume 11, issue 6).
The “Epifree” process involves the lift-off of a high-quality monocrystalline film formed by reorganization upon annealing of cylindrical macropore arrays in silicon, and can thus provide high-quality silicon films for solar cells without resorting to epitaxy. Proof-of-concept cells have previously been achieved and t…
The development of dependable, environmentally benign methods for the synthesis of nanoscale materials is an important aspect of nanotechonology. In this paper, we report the synthesis of highly dispersed silver nanoparticles using a dried stem bark of Shorea tumbuggaia (An endemic plant) extract as the reducing agent…
Centrifugal forces caused by the unbalance are the main source of vibration in rotating machines. The per-fect balancing is very expensive, or it is not possible at all. Besides the unbalance distribution can vary in time,
The effect of transition metal ions such as Mo (VI) doped ZnO has been investigated for photocatalytic bleaching of eosin Y. Doped samples were synthesized by stirring and microwave exposure. The effect of concentration of dopant on the rate of photocatalytic bleaching of dye has also been observed. The rate of photoc…
The concept of a selective emitter appears to be the most eagerly pursued among the emerging, highefficiency cell designs to overcome limitations associated with screen-printed solar cells. The selective emitter technologies, such as laser doping, are increasingly looking into implementing a low-cost self-aligned meta…
In this paper two different industrial two-step printing methods are described. The first method is stencil printing of the lines combined with screen-printing of the busbars. The second method is double screenprinting where a second print is placed on top of the first print. Both methods are ready for introduction or…
We report unipolar switching in amorphous of varying Se content (x) sandwiched between Pt top and bottom electrodes. After the initialization process, termed electroforming, repeatable unipolar switching was observed. We investigated the effect of the Se to Te ratio on the unipolar switching as well as on the electrof…
The main advances made within the Ignitor program, that is aimed at investigating the physics of fusion burning plasmas near ignition, are described. In particular, the operation of the machine in the H and I regimes at the 10 MA plasma current levels has been considered and analyzed. The unique properties of the plas…
The binary glass system of (TeO2)x (B2O3)1-x with x= 60 to 80 mol% were synthesized by rapid quenching method. Longitudinal and shear ultrasonic velocity were measured at room temperature and at 5 MHz frequency. Elastic properties, Poisson’s ratio and micro hardness have been calculated from the measured density and u…
Optomec's patented Aerosol Jet technology is a maskless, non-contact material deposition system used to enable 3-dimensional semiconductor packaging. This presentation highlights results of printing high density, 3-D interconnects on stacked die modules which incorporate video, communication and memory chips. Such pac…
Article Two-dimensional Numerical Simulations of Nonlinear Ultrasonic Propagation in Bubbly Liquids was published on December 1, 2010 in the journal International Journal of Nonlinear Sciences and Numerical Simulation (volume 11, issue 12).
In this review chapter, we introduce the recently developed Lattice Monte Carlo method for addressing and solving phenomenologically-based thermal diffusion problems especially for composite and porous materials. We describe in detail the application of this method to calculate effective thermal diffusivities and to d…
Combination of photodegradation and adsorption processes induces strong beneficial effects in removal of dyes. Addition of high adsorption capacity activated carbon to photoactive titanium dioxide in photodegradation of dyes improves the efficiency of dye mineralization. The present study involves the preparation of i…
We apply the recently introduced Silicon Nitride Thermal Oxidation (SiNTO) process for the industrial fabrication of silicon solar cells that feature a thermal oxide-passivated rear surface. The SiNTO process utilises a SiNX anti-reflection layer for masking the front side of the solar cell during the thermal oxidatio…
We describe in detail the different steps involved in the construction of a carbon nanotube field-effect transistor (CNTFET) based on a network of single-walled carbon nanotubes (SWCNTs), which can selectively detect human immunoglobulin G (HIgG). HIgG antibodies, which are strongly adsorbed onto the walls of the SWCN…
Nanoparticles containing cefoxitin (CEF) made of D,L-PLA (PLA) were designed by a multiple emulsion/solvent evaporation method. The particles were extensively evaluated in relation to morphology, encapsulation efficiency, drug-polymer interactions as well as in vitro drug release kinetics. Nanoparticles were spherical…
Mineralogy of clay fractions and characteristics of soils developed from granite-gneiss parent material of Yerpedu Mandal in Chittoor district of Andhra Pradesh were studied. The clay fraction of these soils exhibited the characteristic peaks of smectite, mica and kaolinite. Semi-quantification of clay fractions based…