Showing papers in "Thin Solid Films in 1994"

TL;DR: In this paper, a multilayer organization of ultrathin polycation-polyanion self-assembled films is demonstrated using two approaches: Fabrication of polyion superlattices with alternation of three different polyelectrolytes in (ABCB) n fashion, which gives rise to a Bragg peak in X-ray reflectivity.

TL;DR: In this article, the influence of the process parameters on the optical properties of TiO2 films, such as index of refraction, scattering of light, and absorption, is discussed.

TL;DR: In this paper, thin films of transparent conducting aluminum-doped ZnO have been deposited using a sol-gel process and the dependence of electrical characteristics upon aluminum concentration in the films and upon post-deposition heat treatment in vacuum was examined.

TL;DR: In this paper, a molecular self-assembly process based on the alternate deposition of a p-type-doped electrically conductive polymer and a conjugated or non-conjugated polyanion has been developed.

TL;DR: In this paper, the authors describe a molecular-level self-assembly of conjugated polyions on a substrate, which can be repeated as many times as desired to build multilayer thin films of conducting polymers in which each layer is only 5-20A in thickness.

TL;DR: In this paper, the authors investigated the crystallographic and electronic structure of γ-alumina surfaces obtained by thermal oxidation of Al foil by combining X-ray photoelectron spectroscopy, electron energy loss spectrography, transmission electron microscopy and transmission electron diffraction investigations.

TL;DR: The structural development of HfO2 thin films grown from HfCl4 and water onto glass substrates by atomic layer epitaxy at 500 °C was studied with X-ray diffraction, atomic force microscopy and scanning electron microscopy.

TL;DR: The microstructure of low resistivity (∼ 2 × 10−4 Ω cm) Sn-doped In2O3 (ITO) thin films prepared by multipass d.c. magnetron sputter deposition with an ITO (10 wt.% SnO2) target onto soda-lime glass substrates was investigated using plan-view and cross-sectional transmission electron microscopy (TEM) and X-ray diffraction as discussed by the authors.

TL;DR: In this article, the plasma polymerization of hexamethyl disiloxane (HMDSO), divinyltetramethyl disilexane (DVTMDSO) and octamethyl cyclotetrasiloxanes (OMCATS) was investigated using either argon or argon/oxygen mixtures as reactants.

TL;DR: In this paper, the effects of post-treatment through N2 or O2 plasma on the electrical properties of as-deposited TiO2 films were evaluated, and it was shown that electrical properties could be enhanced by O 2 plasma treatment.

TL;DR: In this article, the role of substrate and interface adhesion on the force-displacement behavior of thin films indented with spherical tipped indenters is schematically summarized, and the authors also provide a more tractable solution to the contact problem.

TL;DR: In this article, the authors investigated the deposition of TiO2 thin films on stainless steel, titanium, barium borosilicate glass and alumina substrates, using titanium tetraisopropoxide as a precursor.

TL;DR: In this paper, high transparent and conducting SnO 2 thin films have been deposited by spray pyrolysis using SnCl 2 and SnCl 4 as precursor solutions and NH 4 F and HF as sources of the doping impurities.

TL;DR: In this paper, the concept of critical sulfur content is discussed in terms of practical annealing conditions and section thicknesses, and the proposed adhesion mechanism involves sulfur interfacial segregation and scale-metal bond weakening.

TL;DR: The Van der Pauw method is one of the most effective and widely used methods of the four-probe mode of determining the resistivity of materials in the form of thin films.

TL;DR: In this paper, the tribological mechanisms pertinent to thin coatings in sliding contacts are described using a systematic approach, which can be analysed systematically on the basis of four main parameters: the coating-to-substrate hardness relationship, the coating thickness, the surface roughness and the debris in the contact.

TL;DR: In this article, thin films of cadmium oxide have been deposited on glass substrates from a chemical bath containing Cadmium ammine complex ions, and optical absorbance, transmittance and reflectance data of the films were used to obtain the dispersion relation of their optical constants.

TL;DR: In this article, the mid-infrared spectra of monolayers spread at the air-water interface have been obtained, completely devoid of strong water vapor absorptions, using polarization modulation infrared reflexion absorption spectroscopy (PM-IRRAS).

TL;DR: In this article, undoped and Sb-doped tin dioxide (SnO2) thin films have been charaterized in relation to the environmental conditions during the pulling phase of the process.

TL;DR: In this paper, the chemical composition, states of functional groups and microstructure of the aluminum oxide films were investigated using FTIR, XPS, AES and TEM, and it was found that carbon and hydrogen atoms are incorporated less at higher deposition temperatures and are almost completely removed as CO2 and H2O, by post-deposition heat treatment at 800 °C in an oxygen environment.

TL;DR: In this paper, the surface smoothness of TiO2 films grown by atomic layer epitaxy was improved by incorporating thin intermediate Al2O3 layers into them and the elimination of light scattering from the film surface caused a marked increase in specular transmittance.

TL;DR: In this article, annealing ZnO films prepared by ion-beam-assisted deposition (IBAD) in air above 773 K can change the resistivity from a highly degenerate transparent material to a thermally activated semiconductor.

TL;DR: In this article, the influence of the divalent cations cadmium, lead and calcium on the properties of octadecanoic acid monolayers at the air-water interface is studied by infrared reflection-absorption spectrometry.

TL;DR: Isolated subunits from the crystalline cell surface (S layer) proteins of Bacillus sphaericus CCM2177 could be recrystallized into large coherent double layers at the air-water interface and as monolayers on dipalmitoylpho-phatidylcholine and dipalm-phosphatidylethanolamine (DPPE) monolayer films spread on a Langmuir-Blodgett (LB).

TL;DR: In this article, a review of thin films that have been shown to switch dramatically in the visible range, as well as the near-IR, and their properties, are reviewed.

TL;DR: In this article, a transparent and conducting zinc oxide (ZnO) films have been prepared on glass substrates by atmospheric and low pressure chemical vapour deposition (CVD) using zinc acetylacetonate and various oxygen sources such as air, water, and hydrogen peroxide (H 2 O 2 ).

TL;DR: In this article, the effect of growth parameters on the growth rate and crystal texture of the dioxide thin films was studied and the results showed that the films were transparent and highly uniform with only small thickness variations.

TL;DR: In this paper, an exponential dependence of specific resistance on the ZnO crystallite size was found, which explains the strong dependence of the sheet resistance on an oxygen partial pressure, which can be used for the regulation of the deposition process.

TL;DR: The scaninng Maxwell stress microscope (SMM) as mentioned in this paper was developed to facilitate the observation of electrostatic features of organic and inorganic thin films and surfaces with nanometre-level resolution.

TL;DR: In this article, the effect of Sb doping on the growth rate, crystal texture and electrical and optical properties of tin dioxide thin films was studied using Spectrophotometry, secondary ion mass spectrometry, X-ray diffraction and electron spectroscopy for chemical analysis.