Materials Literature
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Abstract : We have investigated a wet chemical process for nanoscale texturing of sulfur-doped silicon (Si) surfaces, which results in substantial suppression of the reflectivity in a broad spectral range, leading to black Si surfaces. The blackened surface was characterized optically and with Veeco micro-profiler. We…
Abstract Long chain aliphatic ester, isopropyl myristate, was synthesized using energy efficient microwave irradiation technique. The iso propyl myristate forms complexes with titanium tetrachloride in different mole ratios. The nature of chemical bonding between the titanium and the ester functionality was investigat…
This article has no abstract. Keywords: Benzene and Benzene Homologues; Bituminous compositions (bitumen, asphalt, pitch)
We present a systematic study of different sonicated cold development scenarios for the purpose of achieving high density optical metamaterial. High aspect ratio sub-15-nm dots at pitch as small as 40 nm are successfully demonstrated for 110-nm thick resist at low exposure dose. Some of the key results include sub-15-…
Magneto-transport measurements were performed on surface conducting hydrogen-terminated diamond (100) hall bars at temperatures between 0.1–5.0 K in magnetic fields up to 8T.
Deformation and failure of meso-structures take great effect on the loading and energy absorption of aluminum foam under impact. We designed a split Hopkinson pressure bar (SHPB)-high speed digital camera system to monitor the meso-deformation and failure features, and measure the nonuniformity of deformation of alumi…
An instrument, named solution crystallization analysis by laser light scattering (SCALLS), that measures the solution melting and crystallization of polymers in solution was developed further in this study.The instrument was tested in a theoretical study to evaluate the Flory-Huggins relationship of melting point depr…
In this paper, the signal and noise bandwidth expressions for microbolometric focal plane array are theoretically given out. By reviewing the basic working principle of micro bolometer, we have obtained the theoretical signal and noise bandwidth expressions for different links in a universal infrared responding signal…
We report a simple method to pattern wetting properties on thin films of periodic mesoporous organosilica (PMO). A hydrophobic methane PMO thin film was covered by masks and exposed to oxygen plasma to make the unmasked area hydrophilic. The wettability patterns could be revealed only when the films were immersed in w…
In today’s modern world the composite materials have been widely used not only for aerospace/aeronautics, but also automotive, sports and construction industries. The flexural strength of laminated composites depends on the characteristics of dispersive and matrix phases, considering the presence of tensile and compre…
A new route for improving the thermal property of phenolic resin was described. Firstly, a soluble preceramic polymer was synthesized by condensation polymerization of zirconium oxychloride, salicyl alcohol and acetylacetone in the presence of triethylamine at room temperature. A modified phenolic resin was then obtai…
By exerting sandblasting onto brass (Cu0.7Zn0.3) substrates, we show that the increased sandblasting can gradually suppress ZnO nanowire formation during the thermal oxidation of the Cu–Zn alloy. Detailed surface composition analysis by EDS and depth-resolved XPS shows that both ZnO and CuO form initially on the surfa…
The topography of indium tin oxide (ITO) films with incorporated silver nanoparticles and irradiated by single pulses of 18 ns Nd:YAG laser has been investigated. The study was carried out with two Ag/ITO films having resistances of 50 Ω and 4 Ω/square sheet resistances. The periodic structures in both samples were cr…
Silicon/carbon anode materials of different proportions for lithium ion battery were prepared by high energy ball milling. The composites were characterized using X-ray diffraction (XRD), and scanning electron microscope (SEM). The electrochemical performance of the composites was tested by means of galvanostatic test…
In this paper, two trimetallic hydrotalcite-like materials were synthesized using Ni, Zn, Mg and Fe. Further, those materials were modified with V and Cr species. Characterization of the obtained materials was carried out by atomic absorption spectroscopy, X ray diffraction, thermogravimetric analyses (TGA) and differ…
In this paper, some subclasses of generalised Pascu classes of functions with respect to symmetric points are introduced. Here, integral representation formulae are established and sharp coefficient estimates are determined. Further, Fekete Szego problem is solved and the second Hankel determinant is considered for th…
The influence of the catalyst type and content on the synthesis of SIPE was studied in the paper. The result revealed that 0.4% Zn(Ac)2 is the optimum formulation to afford a desired SIPE.
In this paper, Pd/Rh series catalyst substrate samples were prepared at the different cell density, with different volume. The fresh catalyst aging treatment. And Catalysts test by light-off factor (LOF). The results tested demonstrated that, it can achieve equal performance levels with the cell density is 600cpsi tha…
The study was conducted with the view of improving the lustiness of the PVC air soles. The formula containing the ingredients; PVC resin, DOP, DBP, R9, Ivamol, MBR did not impart the lustiness on the soles. Hence invention was carried out employing the Methocell F50 and Methocell K100. Interestingly the use of Methoce…
Serious abrasion occurs in power transmission lines in gale, more wind area, mountain micro- terrain meteorological zone in Xinjiang and coastal monsoon zone in our country in recent year. Carry out analysis on reasons of serious abrasion of the fittings under action of gale. Develop research on improvement of abrasio…