Showing papers in "Vacuum in 1997"

TL;DR: Indium oxide thin films deposited by reactive thermal evaporation of indium in an oxygen atmosphere at different substrate temperatures and oxygen partial pressures are characterized by X-ray diffraction, scanning electron microscopy, optical transmission and electrical resistivity Preparation conditions are optimized to obtain highly transparent and conducting ln2O3 films as mentioned in this paper.

TL;DR: In this paper, a series of Fe V multilayers was grown on polished MgO (001) substrates by dual-target magnetron sputtering, and structural quality of the samples was investigated by reflection high energy electron diffraction, low- and high-angle X-ray diffraction and reciprocal space mapping, polar scans, cross-sectional transmission electron microscopy and resistivity measurements.

TL;DR: In this article, the number and size of droplets depend on the melting point of the metals used during ion etching, and a comparison between the as-etched and as-coated samples indicates that the droplets deposited during the etching phase with TiAl and Mo formed an identical number of growth defects.

TL;DR: In this article, the indium tin oxide thin films were deposited using reactive thermal deposition technique from the In-Sn alloy source, and a decrease in the band gap value was observed during the change in the crystallization from (222) to (400) predominant planes using optical absorption and reflectance spectra measurements.

TL;DR: In this article, a short review of the current understanding of liquid-metal ion sources is presented, covering the following topics: theoretical and experimental properties of LMIS, current/voltage characteristics, and control mechanisms.

TL;DR: In this article, the structural and mechanical changes in layers of hypereutectic cast Al-Si alloys were studied and the results of electron beam remelting and alloying with Fe-Cr powders were reported.

TL;DR: In this article, exposure-resolved VLEED can be used to understand the dynamics of the O-Cu(001) surface reaction, which is dominated by three bonding parameters: one Goldschmidt-contraction ionic bond forms between the O adsorbate and a Cu atom on the surface accompanying the vacating of the missing row.

TL;DR: In this paper, a selection of experimental measurements for N 2 and CH 4 made with a spinning rotor gauge (SRG) employing 4.00 mm and 4.50 mm diameter spherical steel rotors are reported.

TL;DR: In this paper, chemical reactions initiated by the decomposition of methane in the nitrogen flowing afterglow are studied by computer modelling with the input data from microwave plasma, consisting of 61 reactions between 24 kinds of species.

TL;DR: In this paper, the effects of sputtering parameters on the crystal orientation of AIN films were studied by X-ray diffraction and it was found that the c-axis Of the AIN grains was preferentially oriented perpendicular to the substrate surface when the sputtering gas pressure was decreased to 0.09 Pa.

TL;DR: In this article, the hydrogen content of stainless steel samples, treated by 400 °C heat treatment for 2, 4, 8, 16 and 24 hours in ambient air, was determined by the 1H(15N, αγ)12C nuclear resonance reaction, and a standard extraction method.

TL;DR: The Menzel-Gomer-Redhead (MGR) model of ESD was independently developed by Menzel and Gomer in Chicago and Redhead in Ottawa in the early 1960s as discussed by the authors.

TL;DR: In this paper, the effect of irradiation on the dielectric, nonlinear optical properties of organic nonlinear single crystals (MHB and HAP) has been investigated.

TL;DR: In this paper, the IMFP of amorphous Ge and polycrystalline Si was determined by comparing the elastic peak intensity ratios with electrolytic Ni reference sample of 1 nm surface roughness.

TL;DR: In this paper, it is suggested that oxygen reacts with the Cu(001) surface by evolving a CuO 2 (Cu +2 + 2 O -1 ) pairing pyramid with a single contracting ionic bond into a Cu 3 O 2 ( Cu +2+ 2 + 2 Cu +1 + 2O −2 ) pairing tetrahedra with sp 3 -hybridisation of oxygen.

TL;DR: In this paper, five different compositions of Te46 − xAs32+xGe10Si12 chalcogenide glass system were prepared with the atomic percentages 0, 1, 2, 4 and 5.

TL;DR: In this paper, the influence of partial pressure of oxygen ranging from 8 × 10 −5 mbar to 5 × 10−3 mbar on the film structure, electrical and optical properties was reported.

TL;DR: In this article, the authors proposed and discussed a physical model of dynamic phenomena in a coaxial accelerator and a snow plow model of the current sheet motion, on the basis of previous studies.

TL;DR: In this paper, the structure and electron-adsorptive properties of Gd films adsorbed on Mo(112) surface have been investigated using LEED and CPD techniques.

TL;DR: In this article, the adsorption of SO2 on TiO2(110) surfaces at 100 K has been studied by means of the X-ray photoemission and ultra-violet photo-emission spectroscopy, and photon stimulated desorption techniques using Synchrotron radiation.

TL;DR: In this paper, angle resolved X-ray photoelectron spectroscopy (ARXPS) analysis of the N 1s band indicates the existence of three bands that could be assigned to CN sp3, CN sp2 types of bonding and molecular nitrogen, respectively.

TL;DR: In this article, the importance and reliability of very-LEED (VLEED) in revealing the details of a surface is demonstrated through the association of high resolution data, a suitable calculation code and reasonable modelling, as well as appropriate approaches in the calculations.

TL;DR: In this article, the effect of chemical bonding on the physical behavior of the investigated amorphous thin films Se0.75 Ge0.25 − y Asy (y = 0.05, 0.10,0.15 and 0.20) was investigated.

TL;DR: In this paper, the effects of substrate polarisation in a nitrided 316 L stainless steel have been investigated in an attempt to accurately correlate processing parameters with surface mechanical properties, using nanoindentation.

TL;DR: Amorphous barium titanate films were flash evaporated on silicon and studied with X-ray photoelectron spectroscopy as discussed by the authors, revealing the presence of hydroxyl groups.

TL;DR: In this paper, the results of a study devoted to understanding wear mechanisms of a TiN(PVD) coated Ti(C,N)-based cermets were discussed.

TL;DR: In this article, the authors used elastic recoil detection analysis to study hydrogen absorption by a non-evaporable getter (NEG) material st 707, an alloy of Zr, V and Fe.

TL;DR: According to test results, both ART2 and backpropagation systems can be recommended for practical use in mass spectra recognition and almost the same efficiency and robustness for improved Kohonen type network as well as for the ART2 system.

TL;DR: In this article, the interaction of platinum atoms at sub-monolayer and monolayer coverages with nearly stoichiometric as well as defective (110) surfaces was studied by means of ultraviolet and X-ray photoemission spectroscopies.