Showing papers in "Applied Surface Science in 2003"

TL;DR: In this paper, the cold-gas dynamic-spray process is analyzed by numerical modeling of the impact between a single spherical feed-powder particle and a semi-infinite substrate and the results obtained indicate that the two main factors contributing to the observed higher deposition efficiency in the case of copper deposition on aluminum are larger particle/substrate interfacial area and higher contact pressures.

TL;DR: In this article, the relationship between the electrical conductivity of conductive carbon blacks and their surface properties was investigated using X-ray photoelectron spectroscopy (XPS) and static secondary ion mass spectrograph (SIMS), and the topology of the carbon black surface using low pressure nitrogen adsorption.

TL;DR: In this article, the structure of titanium dioxide films with the anatase and rutile single phase was studied by X-ray diffraction and transmission electron microscopy (TEM), and the optical properties were evaluated with spectroscopic ellipsometry (SE).

TL;DR: In this paper, it was shown that the occurrence of a Gaussian distribution of then BHs is responsible for the decrease of the apparent BH Φb0, increase of the ideality factor n and non-linearity in the activation energy plot at low temperatures.

TL;DR: In this paper, the surface composition and availability of surface oxygen of model ceria-zirconia catalyst promoters were considered to develop a reference for future catalytic reactivity studies, and the microstructure was characterized with X-ray diffraction to determine the effect of zirconium substitution on crystalline structure and grain size.

TL;DR: In this article, the thermal stability in air of cuprite, paramelaconite and tenorite films has been investigated and the results show that the stability of Cu2O and Cu4O3 films in air is influenced by the thickness and/or the texture of the films.

TL;DR: In this article, the effect of the addition of benzimidazol as a corrosion inhibitor has also been analyzed by means of scanning electron microscopy (SEM), electron dispersive X-ray (EDX) and Xray photoelectron spectroscopy (XPS).

TL;DR: In this paper, a detailed comparison between AM and FM detection modes was presented, using measurements of gold islands on highly oriented pyrolytic graphite, and the effect of tip geometry was studied for both detection modes.

TL;DR: In this article, the properties of Ru/Al 2 O 3 catalysts were studied using different techniques: XPS, FTIR, hydrogen chemisorption and thermal programmed reduction.

TL;DR: In this article, OA-modified SiO2 nanoparticles are shown to be able to cover and dispersion in mineral oil by oleic acid (OA) concentration.

TL;DR: In this article, femtosecond laser pulses were used to create colloidal particles of Ag in water at 800 nm, and the size of colloid particles was compared with those of colloidal particle prepared by nanosecond pulses.

TL;DR: In this article, the influence of annealing temperature on the micro-structure, surface morphology and optical property of TiO 2 thin films prepared by mid-frequency ac magnetron sputtering technique has been studied.

TL;DR: A liquid metal ion source (LMIS) based upon a gold/germanium eutectic has been developed as discussed by the authors, which emits a variety of ions including monatomic gold and gold clusters Gold ions have been utilised for SIMS analysis of gramicidin and the polymer poly(ethylene-terepthalate) (PET)

TL;DR: The surface chemical and physical modifications of poly(ethylene terephthalate) (PET) fibers induced by radiofrequency air plasma treatments were correlated with the characteristics of the discharge parameters and the chemical composition of the plasma itself, to identify the plasma-induced surface processes prevailing under different operating conditions as discussed by the authors.

TL;DR: In this paper, the influence of ablation cell carrier gasses He, Ne and Ar on the particle size distribution generated and subsequently transported during the laser ablation process of silicate glasses was investigated using 266 and 193-nm wavelengths for ablation.

TL;DR: In this article, the reduction of partially and fully-oxidized Cu films was carried out by vacuum annealing, and the reduction mechanisms were investigated in situ by XPS.

TL;DR: In this paper, the authors analyzed the refractive index n, extinction coefficient k, and optical band gap of the fabricated polycrystalline and epitaxial TiO2 films of rutile and anatase films by spectroscopic ellipsometry.

TL;DR: In this article, a composite of polyaniline (PAn) encapsulating titania (TiO2) with nanometer size was prepared by the oxidating aniline hydrochloride with ammonium peroxodisulfate in the presence of TiO2 nanoparticles.

TL;DR: The experimental results on the surface chemical modification of silica aerogels using various alkyl-alkoxy/chloro silane (organosilane) compounds, are reported in this article.

TL;DR: In this article, X-ray photoelectron spectroscopy was used to study the chemical composition of the composite coatings and also the amount of dopants (oxalate ions) incorporated into the polymeric coatings.

TL;DR: In this paper, the zinc sulfide (ZnS) thin films with nano-scale grains of about 50nm were deposited on glass substrates at a substrate temperature of 200°C via RF reactive sputtering by using zinc plate target and hydrogen sulfide gas.

TL;DR: In this article, a 4-hour plasma nitriding time was used to produce a compact surface nitride layer composed of γ N phase with a thickness of around 7-12μm as processing temperature remained between 420 and 450°C.

TL;DR: In this paper, the crater morphology upon femtosecond laser ablation from BaF2 and CaF2, exhibits several periodic structures of characteristics that cannot be explained by interference phenomena.

TL;DR: In this article, the authors used dynamic time-of-flight secondary ion mass spectrometry (TOF-SIMS) in dual-beam mode to study solar cells consisting of polymer layers sandwiched between a transparent electrode on glass and a metal top electrode.

TL;DR: In this article, the authors discuss the different aspects of various crystallization techniques and provide the rationale behind their belief that lateral-crystallization technology possesses the best collection of features to enable the formation of very high-quality poly-Si films compatible with the fabrication of state-of-the-art, ultra-high performance polySi TFT devices.

TL;DR: In the mean time, high power diode lasers have reached the kilowatt power range as discussed by the authors, which became possible by special cooling and mounting as well as beam combination and beam forming technologies.

TL;DR: SrTiO3 thin films were prepared from Sr(thd)2 (thd ¼ 2,2,6,6-tetramethyl-3,5-heptanedionate) and titanium isopropoxide (Ti(O-i-Pr)4) on Si(1 0 0) substrates by atomic layer deposition (ALD) followed by rapid thermal annealing as discussed by the authors.

TL;DR: In this paper, the authors measured and analyzed electrochemical impedance spectroscopy (EIS) data from the 316 stainless steel/simulated cooling water system, among the four selected passivation models, the equivalent circuit of Model D is most consistent with the conditions of this system.

TL;DR: In this article, a dc magnetron sputtering at different Ar/N 2 discharges was used to deposit FeN thin films on glass substrates and the composition, structure and surface morphology of the films were characterized using X-ray photoelectron spectroscopy (XPS), XRD, and atomic force microscopy (AFM).

TL;DR: In this paper, the ion gun provided a selectable beam of C 60 + and C 60 2+ primary ions, producing a nA beam of c 60 + focusable to 1μm spot size.