Showing papers in "Vacuum in 2011"

TL;DR: In this article, a c-textured Al(1−x)ScxN-based bulk acoustic wave resonator (FBAR) was fabricated and characterized as a function of the Sc concentration for the first time.

TL;DR: In this article, the effect of silver ion release against in vitro antibacterial activity and cytotoxicity of 1-4wt% Ag doped titania (TiO2) thin film coatings were evaluated.

TL;DR: In this article, the effect of the corrugated dielectric-plate surface on the excited wave field profile has been investigated for different conditions of electron density and coupling structure, and it has been shown that the fields computed under corrugation plate are more intense and spread uniformly all over the plasma interface.

TL;DR: In this paper, a tin-doped cadmium oxide (Sn)-CdO thin film with different Sn concentration was deposited on quartz glass substrates by pulse laser deposition (PLD) at 400°C.

TL;DR: In this paper, the effect of seed layer thickness on the alignment, diameter, density and growth rate of ZnO nanorods was studied. And the results revealed that the alignment of nanorod depended on crystallinity, grain size and roughness frequency of the sputtered seed layer.

TL;DR: In this paper, the effect of oxygen partial pressure on the microstructures and optical properties of ZnO:Cu thin films were systematically investigated by X-ray diffraction (XRD), atomic force microscopy (AFM), and fluorescence spectrophotometer.

TL;DR: In this paper, a thin film of Cu2SnS3 was synthesized by solid state reaction under vapour sulphur pressure at 530°C, during 6h, via a sequentially deposited copper and tin layers.

TL;DR: In this paper, a hybrid beams system was used for deposition of diamond-like carbon (DLC) films on silicon wafers by a hybrid beam system, which consists of a DC magnetron sputtering and a linear ion source, and the chromium content in the films was adjusted by varying the fraction of Ar in the Ar and CH4 gas mixture.

TL;DR: In this paper, Ni-Co coatings were produced on Cu substrates by electrodeposition from electrolytes with different pH values and different Co2+ concentration and the current efficiency increases from 52.1% to 81.2% with the pH increasing from 2.0 to 5.4.

TL;DR: In this article, the influence of carbon doping on tribological properties of CrCN coating was studied through preparation of coatings deposited on single crystal silicon and M2 high-speed steel (HSS) substrate using closed-field unbalanced magnetron sputtering ion plating technique.

TL;DR: In this paper, the authors reported on the kinetics of borided AISI M2 high speed steel and found that the morphology of the boride layer has a smooth and compact morphology, and its hardness was found to be in the range of 1600-1900 HV.

TL;DR: In this article, the authors have investigated neutron irradiation effects on the optical, structural and chemical properties of polyallyl diglycol carbonate (PADC) polymer, commercially named as CR-39.

TL;DR: In this paper, the effect of Mo addition on the microstructure of CuCr50 alloy was characterized by a scanning electron microscope, and the arc motion characteristic was recorded and investigated by a digital high-speed video camera.

TL;DR: In this article, two different kinds of film have been characterized morphologically, chemically and tribologically, and the analysis of the wear tracks reveals that such a low friction is related to continuous Ag segregation out of the CrN matrix, which enables self-lubrication.

TL;DR: In this paper, NiO thin films of various thicknesses were grown on glass substrates by dc reactive magnetron sputtering technique in a pure oxygen atmosphere with sputtering power of 150 W and substrate temperature of 523 K.

TL;DR: In this paper, an active screen plasma nitriding method was introduced as a novel approach for deposition of nano-sized titanium nitride, and the results showed that the proportion of H 2 in the gas mixture was a crucial point in order to obtain a perfect coating.

TL;DR: In this paper, the structure and surface morphology of nano-crystalline CdZnTe films were determined by XRD and SEM, which exhibited a typical particle size of 15nm and a blue shift in the absorption with an effective band gap of 2.26

TL;DR: In this article, the authors examined the outgassing characteristics of a polycarbonate as the VIP's core material and showed that the rate of polymer core materials can be significantly reduced to a negligible level by a baking pre-treatment in vacuum and/or by a metal coating on the polymer surface.

TL;DR: In this paper, small amounts of metallurgical grade silicon were melted in an electron beam furnace in different experimental conditions in order to investigate the aluminum evaporation behavior during the electron beam melting (EBM) process.

TL;DR: In this paper, the influence of the deposition parameters on the growth, structure and mechanical properties of the TiBx coatings is studied and it is shown that low-energy ion bombardment (Ei ) of growing TiBX coating, influences the preferred orientation of TiB2 crystallites.

TL;DR: In this paper, the effect of swift heavy ion (SHI) irradiation on surface morphology of Hydroxyapatite (HAp) thick films and modification in gas sensing characteristics was investigated.

TL;DR: In this paper, the authors investigated the lattice damage and evolution in 6H-SiC wafers under He + ion irradiation by the combination of Rutherford backscattering in channeling geometry (RBS/C), Raman spectroscopy, UV visible spectrograms and transmission electron microscopy (TEM).

TL;DR: In this article, the bactericidal properties of diamond-like carbon films produced using plasma enhanced chemical vapor deposition were evaluated using Raman scattering spectroscopy, and the results showed that the bacterial adhesion and bactericidal activity ranged between 25 and 55%, depending on the kind of bacteria.

TL;DR: In this paper, the influence of deposition parameters on the growth, structure and mechanical properties of the TiBx coatings is investigated, and it is shown that low-energy ion bombardment (Ei) of growing TiBX coating influences the preference orientation of TiB2 crystallites.

TL;DR: In this paper, an in-situ synthesis method was employed to produce NiTi-Ti 2 Ni-Ni 3 Ti multiphase intermetallics, which had micro-structure consisting of NiTi(Fe), Ti 2 Ni/Ti 4 Ni 2 O x phases embedded in a Ni 3 Ti matrix.

TL;DR: In this paper, the authors measured silicon volatilization rates for evaporation times of 30, 45 and 60 min at 1723, 1773 and 1823 K, respectively.

TL;DR: In this paper, a Figure-of-Merit (FOM) is proposed to assess the best combination of film properties: grain size, residual stress, structural quality and growth rate.

TL;DR: In this article, the influence of bilayer film thickness and annealing temperature on the structural and optical properties of the InSe bilayer thin films with different thickness was investigated.

TL;DR: In this paper, the size controlled zinc oxide nanoparticle is synthesized in the isothermal evaporation method with albumen (egg white) to increase the reaction rate and produce the zinc oxide nano powder.

TL;DR: In this paper, the effect of nitrogen pressure on the properties of Ti-Cu-N thin films has been investigated by using X-ray diffraction (XRD) technique to identify the nano-crystallite cubic anti-Rhenium oxide (anti-ReO3) structure of Ti doped Cu3N (Ti:Cu3N).