Materials Literature
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Atomic layer deposition (ALD) is supplied to grow ZrO2 high-k gate dielectrics and fabricate InAlN/GaN metal oxide semiconductor (MOS) high electron mobility transistors (HEMTs). Ex situ chemical surface cleaning and optimised in situ InAlN surface pre-treatment by ALD lead to a substantial suppression of drain–source…
The ordering of charges on half-filled hypercubic lattices is investigated numerically, where electroneutrality is ensured by background charges. This system is equivalent to the $s=1/2$ Ising lattice model with antiferromagnetic $1/r$ interaction. The temperature dependences of specific heat, mean staggered occupatio…
Abstract Utilizing the concepts of a critical crystallite size and local film inhomogeneity, it is shown that nucleation in thermally annealed hydrogenated amorphous silicon occurs in the more well ordered spatial regions in the network, which are defined by the initial inhomogeneous H distributions in the as‐grown fi…
Pinning of a liquid contact line by micro/nanoscale defects is attributed as the physical origin of macroscopic contact angle hysteresis. However, direct experimental quantification of the pinning effect at the nanoscale has yet to be fully explored to establish this link. Here we present an experimental technique to…
The authors described an original approach for a surface protein imprinting employing grafting of polymer brushes. Protein molecules were first chemically bound to an ultrathin (1-3 nm) poly(glycidyl methacrylate) reactive polymer layer and later removed by protease treatment. Residual amino acids became grafted to th…
Surface plasmons are electromagnetic waves originating from electrons and light oscillations at metallic surfaces. Since freely propagating light cannot be coupled directly into surface-plasmon modes, a compact, semiconductor electrical device capable of generating SPs on the device top metallic surface would represen…
Surface wettability conversion of WO 3 was investigated through electrochemical or photochemical reaction on a polycrystalline WO 3 electrode. The initial water contact angle for the WO 3 electrode was about 15°, and it was slightly reduced to 9° by cathodic polarization in water under darkness. In contrast, when the…
Preparation and photopolymerization of a decylmethylimidazolium ionic liquid (IL) that possesses an acrylate counteranion are described. This IL monomer self-assembles upon addition of water and can be copolymerized with poly(ethylene glycol) diacrylate (PEGDA) in the presence of a photoinitiator, forming a mechanical…
Elasticity tensor components, C i j , the crystallographic dependence of Poisson's ratio, the phase stability, and vibrational spectra are computed for nonmagnetic and magnetic CeMg (1:1 Ce:Mg) structures using density functional theory.Results from both the generalized gradient approximation (GGA), and the GGA + U ,…
Abstract— Inverted‐staggered amorphous In‐Ga‐Zn‐O (a‐InGaZnO) thin‐film transistors (TFTs) were fabricated and characterized on glass substrates. The a‐InGaZnO TFTs exhibit adequate field‐effect mobilities, sharp subthreshold slopes, and very low off‐currents. The current temperature stress (CTS) on the a‐InGaZnO TFTs…
Gold nanowires are obtained by photoreduction of linear self-assemblies formed from Au(OH)4− and tetra-alkyl ammonium ions at the water–chloroform interface. They are dissipative nanostructures formed only under non-equilibrium conditions, which require continuous vectorial transport of ammonium ions across the interf…
Pyridine-2,6-dimethanethiolate and pyridine-2,6-dithiocarboxylate form sparingly soluble Ni(II) pincer complexes formulated as [Ni(pdmt)](2) and [Ni(pdtc)](2), respectively, with two Ni-(mu(2)-S)-Ni bridges. In acetonitrile reaction systems, the latter undergoes the facile bridge cleavage reactions [Ni(pdtc)](2) + 2L(…
By studying the optical conductivity of Bi(2)Sr(2-x)La(x)CuO(6) and Y(0.97)Ca(0.03)Ba(2)Cu(3)O(6), we show that the metal-to-insulator transition in these hole-doped cuprates is driven by the opening of a small gap at low T in the far infrared. Its width is consistent with the observations of angle-resolved photoemiss…
We study the factors that affect the morphology of Co(OH)(2) Liesegang rings, in a way to obtain concentric rings with large spacing, upon an appropriate variation in the experimental conditions. Such well-resolved patterns are obtained under optimum conditions: decrease in the concentration of the outer electrolyte,…
ZrMo 2 O 8 was synthesized via two routes, namely, the traditional solid-state method and the solution combustion method. The compounds were characterized by powder X-ray diffraction, UV−visible spectroscopy, scanning electron microscopy, and transmission electron microscopy. The crystals belong to a trigonal crystal…
The garment dressing simulation is a process which transforms multiple two-dimensional garment patterns into a three-dimensional configuration that follows the surface of the human body and enables visualization of the draping effect of the garment. The dimensional stability of a garment pattern is an important constr…
In this paper, we study the potential of entrainer in reactive distillation involving high boiling reactants to decrease the reactive stage temperature and for separation of one of the products to enhance the conversion. Esterification of ethylene glycol with acetic acid in the presence of Amberlyst 36 with 1,2-dichlo…
The emerging applications of functionalized carbon nanotubes (CNTs) in various research domains necessitate the use of many different analytical techniques to confirm their structural modifications in a fast and reliable manner. Thus far, NMR spectroscopy has not been among the main tools for characterization of organ…
Despite the key role of the HOSO radical in the combustion of sulfur-rich fuels, the thermochemistry of this simple species is not well-established. Due to the extraordinary sensitivity of the potential energy surface to basis set and electron correlation methods in ab initio computations, there is no consensus in the…
The use of QM/MM based methods to optimize and rescore GOLD derived cross-docked protein-ligand poses has been investigated using a range of fragment-like kinase inhibitors where experimental data have been reported. Particular emphasis has been placed on rationalizing the potential benefits of the method in the incre…