Materials Literature
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It has been shown that the basic conditions for implementing the mechanochemical synthesis in the titanium-carbon system are the structure and degree of aromaticity of the carbon modifications. It has been revealed that the carbon black-graphite composite is promising for the mechanochemical synthesis of titanium carb…
The effects of hot extrusion on microstructural evolution in spray formed GH738 were investigated using X-ray diffraction, scanning electron microscopy and electron backscatter diffraction. After hot extrusion, the refined and uniform microstructures showed entirely dynamic recrystallisation (DRX) characteristics that…
The prospects of three newly developed platforms for broadband mid-infrared integrated silicon photonics (namely, silicon-on-nitride, the all-silicon optical platform and silicon-on-lithium niobate) enabled by the process of wafer fusion are investigated.
The electrical stability of flexible a-Si:H thin-film transistors (TFT) under mechanical bending is given. The electrical stability was found to be dependent on the strain state of the applied bending during dc-gate bias of the TFT. The heterogeneous integration of hybrid thin-film/nanowire structures on polyeth ylene…
One of the technological challenges of direct observation of extra-solar planets remains to develop a modal filter operating from 6 to 20 μm. In the present paper we present one of the two candidate technologies for the fabrication of such modal filters, together with Fiber Optics: Integrated Optics. The solution base…
the hot extruded AZ31 magnesium alloy which has basal texture was impacted along different direction and different fracture mode appeared. Under different impacted direction, the basal slip, prismatic slip, pyramidal slip, compression twin and tension twin have different critical resolved shearing stress (CRSS) and Sc…
The effect of Nb content on the lattice parameters and relative stability of α, β and ω phases in Ti1–xNbx (0
The structure of carbonado synthetic diamonds is studied by scanning electron microscopy. It is stated that the surface of the carbonado is coated by coarse diamond crystallites reaching 200 μm and having an open growth texture. Metal-catalyst (nickel) drops with submicrometer sizes were observed on the surface of the…
The continuous columnar grained (CCG) Cu–12 wt-%Al alloy shows significant advantages in elasticity, conductivity and plasticity. Especially, the ductility is enhanced from 3% to >20% compared with conventional polycrystalline counterparts. However, usual cold and hot working are not suitable for the CCG alloy wires b…
The graphene oxides were prepared form graphite by thermal expansion and ultrasonic dispersion. The structure of graphene oxides was characterized by Fourier transform infrared spectrometer (FTIR), scanning electron microscope (SEM), X-ray diffraction (XRD) and Raman spectra. The difference of structure of graphene ox…
Poly (butylene succinate)/titanium dioxide nanocomposite was prepared by melt blending in a HAAKE mixer. The degradation was studied under ultraviolet aging conditions. The SEM results showed that there were not any visible pores in the nanocomposite surface, which indicated that the addition of TiO2 could resist the…
First-principles method was carried out to investigate the methyl chemical adsorbing on Si (110) surface. To clarify the different concentrations of methyl on Si (110) surface, the mono-methyl, double-methyl, treble-methyl, and quadruple-methyl on the Si surface adsorption models were comparably investigated. Adsorpti…
The promise of tissue engineering and regenerative medicine has been much discussed in the scientific literature. Biotechnology Journal, too, has covered much of the progress in the field from a scientific/bioengineering point of view, including the engineering of biomaterials for tissue engineering applications [1] a…
Nanofur is produced by hot pulling, a highly scalable molding technique for the fabrication of biomimetic surfaces densely covered with nanohair. This nanofur can be used for various biomimetic applications, such as self-healing, air retention, and oil-water separation as demonstrated by H. Hölscher and co-workers in…
Oxidized alkaline loofah sponge (OAL) was given by treating alkaline loofah sponge (AL) with H2O2, four classic adsorption kinetics models which were Lagergren’s pseudo-first-order, Pseudo-second-order equation, the Elovich equation and Intraparticle diffusion were applied to study how the different oxidation degrees…
Boron nitride (BN) nanomaterials have negative electron affinity, which makes BN a promising cold electron emission material. BN nanotube (BNNT) field emitters show excellent oxidation endurance after high temperature thermal annealing at 600 °C in air ambient. There is no damage to the BNNTs after the thermal anneali…
Here, we study the reflection and transmission characteristics of mushroom-type structures with the diodes inserted at the center along the direction of the wires. The analysis is carried out using the nonlocal homogenization model for the mushroom structure with the generalized additional boundary conditions at the c…
We synthesized a novel polymeric functional ionic liquid (IL), i.e. poly [(N-isopropylacrylamide)-co-(ionic liquid)] (P(NIPAAm-co-IL)), which can make multi–walled carbon nanotubes (MWCNTs) well dispersed in water. This method is a noncovalent technique, and the resulting solution was sensitive with temperature.
This work contains investigation results of the structural and nonlinear optical properties of self-assembled organometallic thin films. The films were successfully grown by Physical Vapor Deposition technique in high vacuum on transparent (quartz, glass) and semiconductor (n-type silicon) substrates kept at room temp…
Quasi-epitaxial CuInS2 thin films were deposited on c-sapphire substrates at optimised temperature by the pulsed laser deposition method using a self-made ceramic target. Crystalline and stoichiometric CuInS2 film with a band gap energy of 1·43 eV is obtained by a post-annealing/sulphurisation process at a temperature…