Materials Literature
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The molecular properties of the additive poly(bis(trimethylsilyl)tricyclononene) with the vicinal position of two side groups Si(CH 3 ) 3 in the monomer unit are studied for the first time, and its conformational and kinetic properties are compared with those of the isomer with the geminal position of the same groups.…
We report on a systematic scanning tunneling microscopy and spectroscopy (STM/STS) study on 1 T –TaS 2- x Se x (x = 0, 0.3, 1.0) at 4.2 K. While the compounds with x = 0 and 0.3, which undergoes the Mott transition, showed the commensurate charge density wave (CDW) with the period of ( a 0 is in-plane lattice constant…
Varying the elemental composition of ferroelectric thin films of barium strontium titanate, barium zirconate titanate, and barium stannate titanate solid solutions obtained by ion-plasma sputtering of ceramic targets at different pressures of the working gas is studied through simulation and experimentally. The experi…
The paper is devoted to the use of DAD-TA temperature-reducing additive for the preparation and pouring of asphalt concrete mixes at reduced temperatures. It also shows positive influence of the modified bitumen on the efficiency of organo-mineral composite compaction at reduced temperatures. Physical and mechanical p…
Abstract The properties of ZnO thin films were deposited on three different substrates via dip coating method was investigated. The films were prepared on glass, ITO and p-type silicon. Characterization of the film revealed that the properties of the dip coated ZnO thin films were influenced by the type of substrates.…
Azobenzene containing polymers (azopolymers) have been investigated for a number of applications – holographic data storage, polarization optical elements, diffractive gratings, etc. Herein we report on the optical characteristics of films obtained from the commercially available water soluble azopolymer PAZO (poly[1-…
Barium Titanate thin films were prepared with variations in the number of layers and variation of the solution on a Quartz substrate using the sol-gel method with spin coating technique, at rotation speed 3000 rpm for 30 seconds.The first solution was made with heated and the second with stirred and heated.In this exp…
The paper presents the method of failure risk assessment associated with a bridge crane metal structure at the design stage. It also justifies the necessity of taking into account dynamic loads with regard to the operational cycle of a bridge crane during failure risk assessment of its metal structure.
Study on the formation of precipitated calcium carbonate from natural limestone Sukabumi with the influenced of various parameters such as precipitation rate, concentration of CaCl 2 and amplitudes were investigated. We also investigated the result with the precipitated calcium carbonate from Merck (p.a) for compariso…
Graphene utilization as multifunctional conductive material still has been obstacled in the scalling up process. Some methods, such as mechanical exfoliation only results few products, otherwise Chemical Vapor Deposition (CVD) needs high cost and high temperature. Synthesis of copper modified graphene by electrochemic…
In the presence of hybridization of the f states with the conduction electrons Ce-based compounds can show large peaks in the temperature dependence of the Seebeck coefficient, which makes them interesting materials for applications. The Seebeck coefficient and electrical resistivity of the bulk, arc-melted, single ph…
A compact tunable guided-mode resonant filter (GMRF) in the telecommunication region near the 1550 nm wavelength is proposed in this paper. Particle swarm optimization (PSO) is used to design the GMRF. The tunability of the GMRF is achieved by an MEMS-based physical movement (in the horizontal or vertical direction) c…
The relations of core losses with the frequency of FeNiMo alloys were investigated. The core energy losses were determined by the measurements of dc and ac hysteresis loops as functions of frequency (1 Hz-50 Hz). The usual three-component concept of separation of core losses consisting of hysteresis, eddy current and…
Ceramic Pb(Fe1–xSc x )2/3W1/3O3 samples with 0 ≤ x ≤ 1 have been prepared and characterized by X-ray diffraction, Mössbauer spectroscopy, and dielectric and pyroelectric measurements. The stoichiometry ranges of the perovskite solid solutions in this system have been identified, their structural parameters have been d…
Nanodiamonds (ND) are emerging as a promising candidate for the multimodal bioimaging due to their optical and spectroscopic properties. Fluorescence properties of ND are determined by defects and admixtures in the crystal lattice. The most developed bioapplications of the ND fluorescence are using nitrogen-vacancy ce…
The adding of ZnMgO asymmetric double barriers (ADB) in p-ZnO: (Li, N)/n-ZnO homojunction affects the p–n junction device performance prominently. Two different homojunctions are fabricated on Si (100) substrates by pulsed laser deposition; one is the traditional p-ZnO: (Li, N)/n-ZnO homojunction with different thickn…
Mid-infrared hyperbolic phonon polaritons are demonstrated on a van der Waals semiconducting layered oxide, α-MoO3, as described in article number 1705318 by Weiguang Xie, Huanjun Chen, Shaozhi Deng, Ningsheng Xu, and co-workers. By using a real-space near-field optical nanoimaging technique, the phonon polaritons are…
Natural fibers have been focused by researches to develop high performance and eco-friendly reinforcement in polymer composites. The present work is deliberated on the characterization of nanoparticles of Aristida hystrix (AH) leaf fiber to confirm their compatibility as reinforcement in polymer composites. The macro…
A simple method is proposed to develop a low-cost TiO2/CuO/Cu based solar cell. The cell is made by employing a lower grade (technical grade) of TiO2 as the active material. CuO powder is synthesized using a wet chemical method and mixed with TiO2 powder to give impurity to the TiO2. A layer of TiO2/CuO is then deposi…
Abstract SmFe 10− x Nb x ( x = 0, 0.1, 0.2, 0.3) ribbons and their nitrides were prepared by melt‐spinning, followed by annealing and subsequent nitriding. The structure and magnetic properties were investigated by means of X‐ray diffraction (XRD) using the Rietveld method, vibrating sample magnetometer (VSM), transmi…