Materials Literature
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In this paper, we present the electrical characteristics of air-stable n-type CNFETs, fabricated using a silicon technology compatible fabrication process. Both n-type FETs and p-type FETs have been fabricated on the same wafer. With previously-published methods for scalable removal of m-CNTs, we demonstrated the comp…
There have been lots of studies to control the poor hydration resistance of dolomite refractories; one of the most effective solutions has been the addition of magnesia to doloma. Using a co-clinker of magnesia-doloma as a starting material would provide more homogeneity in the properties of the product and has been p…
The hypothetical protection of genes from oxidative damage provided by the G-rich telomeric overhangs located at the end of chromosomes, which consist, in humans, of single strands of TTAGGG sequence repeats, is investigated here. First principle Moller-Plesset perturbation theory calculations reveal that the TTAGGG h…
In 2010, all the plasma-facing components were removed from JET so that the carbon-based surfaces could be replaced with beryllium (Be) or tungsten as part of the ITER-like wall (ILW) project. This gives unprecedented opportunities for post-mortem analyses of these plasma-facing surfaces; this paper reviews the data o…
The lifetime of the beryllium armor of the ITER first wall is evaluated for normal and off-normal operation. For the individual events considered, the lifetime spans between 930 and 35×106 discharges. The discrepancy between low and high estimates is caused by uncertainties about the behavior of the melt layer during…
The novel fluorinated polyacrylate latex was successfully prepared by emulsion polymerization of perfluorononylene allyl ether, butyl acrylate and methyl methacrylate initiated by potassium persulfate in water and emulsified with the reactive surfactant. Films of the novel fluorinated polyacrylate latex were prepared…
Small calibre vascular prostheses (<6 mm) still lack medium and long term patency. Inelasticity of the prosthesis is one of the characteristics, which is involved in the mechanisms of failure (e.g. the development of neointimal hyperplasia at the distal anastomosis). Here we report about covalently crosslinked poly(n-…
The quartz/Al-ZnO film/nanostructured Al-ZnO/CdSe/Cu2O extremely thin absorber solar cell has been successfully realized. The Al-doped ZnO one-dimensional nanostructures on quartz templates covered by a sputtering Al-doped ZnO film was used as the n-type electrode. A 19- to 35-nm-thin layer of CdSe absorber was deposi…
Copper is one of the key heavy metals that pollute environment and constitute a serious threat to the health of humans and ecosystems. Copper may enter the aquatic environment in both soluble and nanoparticle form. It was previously found in a series of studies that nanoparticles, including those of several metal oxid…
Magnetic properties of bulk MgMnO3, a cubic defect spinel with the structure 4MgMnO3=3[Mg2+][Mg+2 1/3Mn4+ 4/3◻1/3]O4, are reported. For T > 150 K, magnetization M vs T data fits the Curie-Weiss law with μ ≃ 4μB expected for Mn4+ and θ ≃ −40 K indicating antiferromagnetic Mn4+-Mn4+coupling. For T < 150 K, a blocking te…
In the present study, comparison of photocatalytic activity of nanostructures semiconductor zinc oxide (ZnO) was prepared using the different methods on the degradation of organic dye such as methylene blue that was investigated. Previous studies have proved that such semiconductors can degrade most kinds of persisten…
The Poisson ratio \ensuremath{\nu} of In${}_{2}$O${}_{3}$ has been determined by measurement of the covariation of in-plane and out-of-plane lattice parameters of strained thin films grown epitaxially on (111) and (001) oriented cubic Y-stabilized ZrO${}_{2}$ substrates. The experimental results are in good agreement…
The objective of this paper is to analyze the kinetics of soot combustion, promoted by several catalysts, through differential scanning calorimetry (DSC) and thermogravimetic analysis (TGA). All the catalysts are substoichiometric or alkali-metal substituted perovskites (La 0.9 CrO 3, La 0.8 CrO 3, La 0.9 Rb 0.1 CrO 3…
Porous GaSb has been formed by Ga ion implantation into crystalline GaSb substrates at either room temperature or −180 °C. The morphology has been characterized using scanning electron microscopy and the atomic structure was determined using extended x-ray absorption fine structure spectroscopy. Room-temperature impla…
We introduce a facile strategy to obtain dense 3-dimensional assembly of non-functionalized gold nanoparticles into unmodified, end-tethered poly(oligo(ethylene glycol) methacrylate) bottle brushes of high grafting densities. Referred to as ‘in-stacking’, we present its mechanism based on evidence from UV-vis absorban…
Porous silica structures with intricate design patterns form the exoskeleton of diatoms, a large class of microscopic mineralized algae, whose structural features have been observed to exist down to nanoscale dimensions. Nanoscale patterned porous silica structures have also been manufactured for the use in optical sy…
Wafer-scale graphene devices processed entirely in a standard 200 mm silicon fab are demonstrated for the first time. New embedded gate structures enable full saturation of the drain current in graphene FETs with sub-μm channels, resulting in high intrinsic voltage gain. In addition, passive devices were monolithicall…
XPS data have been obtained from silver oxide (AgO) thin films which were prepared by the anodic oxidation of high purity silver metal in alkaline solution (1M NaOH). The sample preparation included a pre-oxidation at lower potentials to form an Ag2O film on top of the metallic silver electrode, and a second oxidation…
Optical emission spectroscopy has been used to study an arc formed over an ice surface. DC positive voltage was applied to a flat ice surface with a 6 cm air gap to initiate electric discharge. Time-resolved spectra were recorded during the propagation of arc along the surface. Excitation temperature was measured usin…
In the framework of the ITER-like wall (ILW) for the JET tokamak, a divertor row made of bulk tungsten material was developed for the position where the outer strike point is located in most of the foreseen plasma configurations. In the absence of active cooling this represents a formidable challenge: such plasma-faci…