Materials Literature
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For the electrowetting phenomenon, conventional studies on movement of micro fluids have been based on transition of contact angle. In this paper, an electrowetting-based suspended pipe system is presented and it is modeled and analyzed using a multi-physical approach of electromagnetics and fluidics. Its characterist…
Abstract The well‐aligned ZnO nanostructures were fabricated by multi‐gas annealing process at low temperature, from which intense blue‐green photoluminescence was observed. The novel low‐temperature mist chemical vapor deposition method using zinc acetylacetonate vapor improved crystallinity as well as developed into…
Synchrotron radiation photoelectron spectroscopy (SRPES) is used to investigate the in-situ formation of ultra thin Mn silicate copper diffusion barrier layers on SiO2. It was shown that high temperature annealing results in the growth of Mn silicate, the stoichiometry of which was calculated to be MnSiO3. SRPES resul…
Nanostructured cobalt sulfide(CoS) can be widely used as high energy density batteries, supercapacitors, solar photovoltaic materials and catalysts due to its excellent electronical, optical, magnetic and catalytic performance. In order to synthesize CoS crystallites in a efficient route, a facile microwave hydrotherm…
PURPOSE: Analyze the characteristics of TLD LiF-100 powder between multiple LiF crystal batches. METHODS: The RPC used TLD LiF-100 encapsulated powder to verify the output for photon and electron beams for 4 to 23 MV X-ray beams and 6 to 23 MeV electron beams, respectively, from the past 15 years. During that time per…
Linearlinking polystyrene nanospheres (LPSs) with uniform size dispersion were synthesized by the emulsifier-free emulsion polymerization method. And with the adding of divinylbenzene (DVB) crosslinking polystyrene nanospheres (CPSs) was also prepared. It was found out that the partical size of prepared nanospheres ch…
A computation software on diffusion computation in solids was developed. The software includes two sub-modules of “database management system (DBMS)” and "Evaluation & prediction". The “DBMS” deals with the diffusion coefficients gathered from reported documents and the data evaluated according to some rules, besides,…
PURPOSE: To quantify uncertainty reduction in small photon field dosimetry through characterization of ionization chambers and calibration conditions using detailed Monte Carlo methods benchmarked against NIST-traceable measurements. METHODS: Phase space profiles were obtained using detailed EGSnrc Monte Carlo models…
As novel energy storage devices, multi-layer capacitors demonstrated good prospect along with the emergency of materials with huge dielectric constant and high breakdown electric field strength. The distribution of inner electrodes in multi-layer capacitors is a key factor to make full use of the excellent characteris…
We report the results of a detailed study of EuRh4B4 compound synthesized by an un-common method under high pressure temperature conditions for the first time. Synthesized sample has been initially characterized by X-ray diffraction, macroscopic electrical resistivity and ac-susceptibility methods. The ferromagnetic a…
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Alternative deposition methods and materials are of interest for the fabrication of thin film solar cells since they offer potential enhancements for either low cost, high speed or high efficiency but also because they can help in better understanding the underlying physical and chemical processes that could lead to t…
The effects of isopropyl alcohol (IPA) on the dispersion of bimodal silver nanoparticles inside polyaniline emeraldine base (Ag-PANIEB) as nanocomposite were investigated and discussed. Firstly, the bimodal Ag nanoparticles were synthesized with the help of precipitation method by semi-batch reactor and then ultrasoni…
Au plating was widely used to the function of soldering, contact/connection, and decoration, rendered by the extremely good solderability, customer favorite noblest appearance, excellent corrosion resistance, high electrical conductivity, etc. while Au plating thickness and quality are critical to influence the functi…
This paper is used to investigate the harmonic filters planning of a power system with three-phase to two-phase specially connected transformers. A particle swarm optimization method with nonlinear time-varying evolution (PSO-NTVE) is employed in the planning of large-scale passive harmonic filters. The objective is t…
A series of polypropylene (PP) blends were obtained by blending isotactic PP and different mass fraction of liquid crystalline polyacylates (LCP-A) at a proper process program. The effect of LCP-A as a new nucleator on crystallization behacior of isotactic PP has been investigated with wide angle X-ray diffraction (WA…
Over the last decade, considerable efforts have gone into researching techniques to improve the efficiency of light emitting diodes (LEDs) based on the III-nitride material system. These efforts can be classified into two main approaches : improving the internal quantum efficiency (IQE) and increasing the light extrac…
Sulfonated poly (diphenyl ether ketone sulfone) s, SPDPEKSs were successfully synthesized for proton exchange membranes (PEMs). Poly (diphenyl ether ketone sulfone) s, PDPEKSs were prepared by the polycondensation of 4,4'-sulfonyldiphenol with 1,2-bis (4-fluorobenzoyl)-3,6-diphenylbenzene (BFBDPB) and 4-fluorophenylsu…
A spectral method is developed to determine the content of fullerene in polymers formed in its presence during the free-radical polymerization and copolymerization of methyl methacrylate, allyl methacrylate, allyl chloride, and styrene. The method is based on measurement of absorption coefficients for the ππ*-excited…
In this paper, besides the single method of air blowing and thermal condensation, a new two-step combining method was taken to modulate the pitch precursor for carbon fibers: the ethylene tar pitch was first air-blown under 280 °C for 10 h, and then thermal-condensed in nitrogen under 380 °C. Then group composition, e…