Materials Literature
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Hydrogen adsorption in the space between Single-Wall carbon nanotubes arranged to form triangular packages is calculated at temperatures of 20–400 K in terms of the Dubinin theory of volume filling of micropores using the linearity of adsorption isosteres. Based on the data obtained, porous structure parameters are es…
Filtration under an ultrasonic field is a technique that is gaining importance in the wastewater treatment research field, not only due to its ability as a cleaning mechanism, but also as a filtration intensifier. The main objective of this research was the study of the influence of ultrasonic waves on the filtration…
The kinetics and mechanism of corundum formation from hydrargillite in an water medium under sub- and supercritical conditions in the presence of manganese ions was studied. The conclusion was drawn that corundum structure formation with the insertion and uniform distribution of manganese ions occurred thanks to solid…
On one Sb2Te3 single crystal, the temperature dependences of all three independent components of the Nernst-Ettingshausen tensor (Q ikl ) are measured in the temperature range of 85–450 K, all three components being negative. Alongside with the Nernst-Ettingshausen effect, the anisotropy of the Hall (R ikl ) and Seebe…
Trapping behaviour of deuterium ions implanted into tungsten simultaneously with carbon ions, Kobayashi, Makoto, Suzuki, Sachiko, Wang, Wanjing, Kurata, Rie, Kida, Katsuya, Ashikawa, Naoko, Sagara, Akio, Yoshida, Naoaki, Oya, Yasuhisa, Okuno, Kenji
CuxO - TiO2 (x=1, 2) nanocomposites were synthesized by an innovative Chemical Vapor Deposition (CVD) strategy, based on the initial growth of CuxO matrices (1) and on the subsequent dispersion of TiO2 nanoparticles (2). Cu(hfa)2•TMEDA (hfa=1,1,1,5,5,5-hexafluoro-2,4-pentanedionate; TMEDA=N,N,N',N'-tetramethylethylene…
Abstract Boehmite nanoparticles are surface modified with alkyl phosphorous acid to improve their dispersion in polypropylene. Effective grafting is evidenced by NMR, elemental analysis and by the fact that the dispersion ability (or disagglomeration) of grafted boehmite particle in nonpolar solvent is significantly a…
Erosion, transport and also molecular processes such as dissociative excitation, ionization and recombination of hydrocarbons and their ions are relevant for determining the operational window (lifetime, availability) of carbon based divertors. The available database for such molecular processes currently used in fusi…
The SiC-<TEX>$ZrB_2$</TEX> composites were fabricated by combining 30, 35, 40 and 45vol.% of Zirconium Diboride (hereafter, <TEX>$ZrB_2$</TEX>) powders with Silicon Carbide (hereafter, SiC) matrix. The SiC-<TEX>$ZrB_2$</TEX> composites, the sintered compacts, were produced through Spark Plasma Sintering (hereafter, SP…
Abstract The effects of RE, V, Ti and B on the microstructure and properties of high chromium cast iron containing 3% molybdenum under as‐cast and heat treatment conditions were investigated with the method of comparing experiments. The results show that with the increase of RE content, the primary austenite of high c…
We have developed a novel culture model to grow adult mice spinal cord cells. The model consisted of a serum-free medium supplemented with different growth factors, nanoparticles and a silane substrate. The following growth factors and nanoparticles constitute the novel serum-free medium: Acidic FGF, Heparan-Sulphate,…
Chemical bath deposition (CBD) and ultrasonic chemical bath deposition (US-CBD) of ZnS thin films from NH 4 OH/SC ( NH 2 ) 2 / ZnSO 4 solutions have been studied. The influence of the ultrasonic vibration on properties of ZnS thin films has been investigated. The growth rate, structure, and properties of ZnS thin film…
The role of composite voltage waveforms on prebreakdown processes was studied at atmospheric conditions in a small point-plane gap with a synthetic ester Midel 7131 fluid, representing a model for the insulation in power electronic components. Shadowgraphic imaging and photomultipliers to record emitted light were use…
A novel via-free microstrip Left Handed (LH) Transmission Line (TL) utilizing Radial Stubs (RS) is proposed. The microstrip RS is approximated by a series combination of inductance and capacitance. The electrical equivalent circuit of LH TL unit cell including the equivalent inductance and capacitance of radial stub i…
In this work, the effective permeability of two-phase composite materials is studied based on a three-dimensional model. In this model, the magnetic inclusions embedded in a dielectric matrix are set with aligned orientation and calculated by finite-difference time-domain method in both lossless and lossy cases. First…
Gold thiolate polymers ([ArSAu] n ) were prepared via two synthetic routes - the direct reaction of an aromatic thiolate (ArSH) with HAuCl 4 , or the reaction of an isonitrilegold(I) chloride complex with a thiolate anion. The former route, which is general to almost all thiols, yields an amorphous and non-luminescent…
Material constants of artificial dielectrics are measured using the waveguide reflection and transmission methods for the first time. Relative permittivity has taken the value of around 10 in good agreement with the simulated value for the most densely packed spherical metal particles. Relative permeability, on the ot…
We present measurements of the thermal fluctuations of the free surface of an aging colloidal suspension, Laponite. The technique consists in measuring the fluctuations of the position of a laser beam that reflects from the free surface. Analysing the data statistics, we show that, as the fluid ages, the dynamics beco…
A new circuit model for the graphene p-n junction (PNJ) is introduced, which is based on the model proposed by Cheianov , using equivalent quantum circuit elements. Our model is similar to the transmission line circuit model for the interface of left-handed/right-handed materials in optics and microwave circuits. To b…
Biomimetics is a field that has the potential to drive major technical advances. It might substantially support successful mastering of current tribological challenges, i.e., friction, adhesion and wear in machines and devices from the meter to the nanometer scale. The first part of talk shall deal with the change tha…