Materials Literature
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Gallium lanthanum oxysulfide (GLSO) is a promising host material for observing strong upconversion emission from trivalent rare-earth ions such as erbium (Er3+). Its attractive properties include high rare-earth solubility due to the lanthanum content of the glass former, a high refractive index (n = 2.2 at 550nm) for…
An analog of Cesàro’s formula and several compatibility conditions are given for the three-dimensional and two-dimensional linear micropolar theory of elasticity in the form different from that used in the literature. A number of formulas are obtained to determine the antisymmetric part of the strain (stress) tensor i…
We demonstrated solution-processed C60 thin-film transistors with high electron mobility. C60 solutions in various organic solvents were dried in a vacuum chamber to obtain uniform thin films. While C60 solution dried under atmospheric pressure produced a large number of crystals, vacuum-dried C60 solution provided fl…
Electrical transport properties of the interface between a Nd 0.7 Sr 0.3 MnO 3 ceramic and a Ag electrode are investigated using the ac impedance over a wide temperature and frequency ranges. The ac impedance measurements give the compressed semicircle arcs at different temperatures, which are used for the analysis of…
Nickel-tungsten (Ni-W) plating process exhibited fewer environmental hazards and lower health hazards than conventional chromium bath processes did, because they had the potential to be substituted for certain future applications. This study attempted to develop Ni-W alloy coatings with different weight percentages of…
The purpose of this work was to prepare a multi-function adhesive for reconstituted tobacco. With chitin as the main raw material, adding complex moisturizer, cross-linking agent and other additives, an adhesive for tobacco sheet was obtained. Factor design was used in the experiment for formulation optimization. The…
Stretch-oriented cyanine-dye-doped poly(vinyl alcohol) (PVA) films were prepared at temperatures above the glass transition temperature of PVA. The optical absorption spectra of the stretch-oriented films exhibited an anisotropy. The third-order nonlinear optical susceptibilities of the stretch-oriented films were mea…
INVESTIGATION CHARACTERISTICS OF PULP FIBERS AS GREEN POTENTIAL POLYMER REINFORCING AGENTS . Three kinds of pulp fiber (i.e. kenaf, pineapple and coconut fiber)were characterized as reinforcing agents in compositematerials to be applied at automotive interior industry.Abetter understanding on characteristics of fiber…
Peptide frictions in water nanofilms of various thicknesses on a mica surface are studied via molecular dynamics simulations. We find that the forced lateral motion of the peptide exhibits stick-slip behaviour at low water coverage; in contrast, the smooth gliding motion is observed at higher water coverage. The adsor…
In order to obtain grafted cellulose copolymers with 4-vinylpyridine, vinylimidazole, 1-vinyl-2-pyrrolidone, 9-vinylkarbazole and other vinyl monomers containing double bonds capable for copolymerization with vinyl monomers have been introducted in cellulose. For www.intechopen.com Noble Metals 180 the induction of do…
The paper reports on the estimation of the distribution of currents flowing in a metalized part, starting from two-dimensional maps of the magnetic field induced above the part, with the monitoring of power semiconductor dies in view. The estimation is obtained from the measured data by inverting a mesh-free modeling…
Real time quantum dynamics of the spontaneous translational symmetry breakage due to light excitation in the early stage of photo-induced structural phase transitions is reviewed under the guide of the Toyozawa theory, which is in exact compliance with the conservation law of the total momentum. At the Franck-Condon s…
The enhancement mode and bottom gate Al-doped ZnO transparent thin-film transistors (ZnO:Al TTFTs) were investigated. To provide a suitable amount of free carriers and reduce the associated resistance, the ZnO:Al channel layer with Al imperceptibly doped into the ZnO was deposited using a cosputter system. To investig…
We have investigated Pt/Ti-gate Si-metal–oxide–semiconductor field-effect transistors (MOSFETs) from the viewpoints of hydrogen gas sensors and also mother devices of Pt–Ti–O-gate Si-metal–insulator–semiconductor field-effect transistor (MISFET) hydrogen gas sensors. The Pt/Ti-gate Si-MOSFETs with uniform coverage of…
Amorphous silicon (a-Si) films deposited by plasma-enhanced chemical vapor deposition (PECVD) were patterned to strips with a width ranging from 1 to 50 µm, and irradiated with an atmospheric pressure micro-thermal-plasma-jet (µ-TPJ) to induce high-speed lateral crystallization (HSLC). From electron backscattering dif…
Abstract A multi-thickness target plate impact experimental technique is proposed in this paper and adopted in the research on the so-called failure wave phenomenon in soda-lime glasses, in which, four sub-targets in different thicknesses embedded in the target ring are impacted simultaneously and the longitudinal str…
In [1,2] an error (by a factor of 1000) in the diffusion rate of monomer in a photopolymer material used by the \nauthors of [3], is presented. In [3] no errors are identified in our analysis and our physical evidence is not addressed. \nIt is implied that our model and our results are disproven by the results in the…
Analytical studies of the effect of edge decoration on the energy spectrum of semi-infinite one-dimensional (1D) model and zigzag edged graphene (ZEG) are presented by means of transfer matrix method, in the frame of which the conditions for the existence of edge states are determined. For 1D model, the zero-energy su…
Three-dimensional (3D) urchin-like rutile TiO2 powders were synthesized by a mild hydrothermal method without any templates. An individual urchin-like TiO2 powder consists of self-assembled nanorods with a length of about 150 nm and width of about 10 nm. Additionally, the urchin-like TiO2 nanopowders were coated with…
This paper using high energy ball milling (HEM), researched has discussed the preparation of Al-CNT compound materials at the different milling times, rotary speeds, amount of CNT and sinter technology for their properties of hardness and density and for the preparation the Al-CNT. The milling time is about 30 to 100…