Materials Literature
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Precise modeling of the magnetic field in the coil wire of an electric machine often becomes a major challenge: with the high number of turns and small penetration depth, the number of degrees of freedom exceeds reasonable limits in any standard approximation method. Precise approximation, however, is critical, e.g.,…
Novel photovoltaic cells involving a nonconjugated conductive polymer have been fabricated using titanium dioxide/doped styrene-butadiene-rubber/carbon on ITO coated PET substrates. Photocurrents and photo-voltages for different intensities of light (emission at 300–700 nm) have been measured. These cells have shown s…
We propose a leaky-wave slot antenna that consists of a longitudinal slot cut into the broad wall center of a ferrite-filled rectangular waveguide. The centerline longitudinal slot is excited by the TE10mode of transversely magnetized ferrite waveguide, which has anti-symmetric surface current density. The electromagn…
In the last decade or so, lithium batteries have gained important niche positions in the market for electrochemical storage systems. Their energy capacities per unit weight (or volume) are remarkably better than those of traditional batteries--yet they appear to be approaching their practical limit, and alternative ce…
Microdimensional triangular magnetic antidot lattice arrays were prepared by varying the speed of substrate rotation. The pre-deposition patterning has been performed using photolithography technique followed by a post-deposition lift-off. Surface morphology taken by atomic force microscopy depicted that the growth me…
Silica-based materials are widely employed in the thermal protection system for hypersonic vehicles, and the investigation of their catalytic characteristics is crucially important for accurate aerothermal heating prediction. By analyzing the disadvantages of Norman’s high and low temperature models, this paper combin…
Hump characteristics of n-channel amorphous indium-gallium-zinc-oxide (a-InGaZnO) thin-film transistors (TFTs) after positive gate and drain bias stress (PGDBS) are investigated. With the increase of the PGDBS time, we observed not only a shift of the threshold voltage (VT) but also a generation of the hump in the tra…
This paper seeks to extend the screening methods for cocrystal incongruent systems by using siloxane self-assembled monolayers (SAMs). The theophylline (THE)–saccharin (SAC)–methanol incongruent system was chosen as a case study. The results of cocrystallization experiments showed that siloxane SAMs with exposed Cl gr…
Commercially available Al6061 alloy added with 5wt% of alumina particles was developed by liquid metallurgy route. Cast aluminum alloy and composite were hot forged. Microstructure, hardness and strength behavior of forged alloy and composite were investigated. Optical micrograph examination confirms the homogeneity i…
In isolated bimetallic nanoscale systems the limit amount of matter and surface-induced size effects can change the thermodynamics of first-order phase transformation. In this paper we present theoretical modification of Gibbs free energy concept describing first-order phase transformation of binary alloyed nanopartic…
Network-on-Chip (NoC) has been made the communication infrastructure for many-core architecture. NoC are subject to congestion, which is claimed to be avoided by many researchers. However, there is no completely understanding of congestion in literature, which hinders its solution. Toward this direction, we firstly ca…
ABSTRACT In this article, a single layer unit cell reflectarray antenna comprising a fixed square patch to which is attached a lattice of symmetric open ended stubs is proposed. The phase response of the proposed unit cell element is governed by the length of the lattice, providing more than 600° of reflection phase v…
Glass Fiber Reinforced Plastic composites are used for pipes, high pressure vessels, aircrafts, automobiles, sport goods and Glass Fiber Reinforced Plastic composites are used for pipes, high pressure vessels, aircrafts, automobiles, sport goods and structural applications due to their high corrosion resistance, high…
The collective behavior of a two-dimensional wet granular cluster under horizontal swirling motions is investigated experimentally. Depending on the balance between the energy injection and dissipation, the cluster evolves into various nonequilibrium stationary states with strong internal structure fluctuations with t…
Abstract Controlling cell functions using external photoresponsive nanomaterials has enormous potential for the development of cell‐engineering technologies and intractable disease therapies, but the former currently requires genetic modification of the target cells. We present a method using plasma‐membrane‐targeted…
We report the results of the experiments on developing precision micromachining technology, obtained under the conditions of focusing the pulses of a femtosecond (FS) laser into the volume of a transparent material, which is important, particularly, in the processing of biomaterials in ophthalmology. The implementatio…
Scanning electron microscopy ( SEM ) and high‐resolution electron backscatter diffraction ( EBSD ) has been employed to study the microstructure development of <111 > ‐oriented β‐SiC films prepared by laser chemical vapor deposition ( LCVD ) with various total pressure ( P tot ). The Surface morphology of films evolve…
Abstract Metall‐organische Gerüste (MOFs) sind vielversprechende Materialien für die Gastrennung und Luftfiltration. Für diese Anwendungen müssen die MOF‐Kristalle jedoch in robuste und leicht zu handhabende Trägermaterialien eingebettet werden. Wir haben ein chitinbasiertes Netzwerk aus einem marinen Schwamm als ungi…
ABSTRACT Two wideband CPW‐fed metamaterial antenna structures based on CRLH resonant approach are proposed and developed in this article. Antenna‐1 is basically an asymmetric CPW‐fed antenna, comprises of meandered line inductor, which is connected between patch and one of the CPW ground plane. Antenna‐2 is modified f…
We report experimental results on laser formation of carbon nanostructures produced during irradiation of a target placed in water. We have performed comparative experiments on laser heating of carbon targets by millisecond and femtosecond laser pulses. It is shown that under different conditions of laser irradiation…