Showing papers in "Surface Science in 2002"

TL;DR: Future directions and opportunities for surface scientists working in biomedical research include exploiting biological knowledge, biomimetics, precision immobilization, self-assembly, nanofabrication, smart surfaces, and control of non-specific reactions.

TL;DR: Carbon nanotubes have been shown to be useful for miniaturized electronic, mechanical, electromechanical, chemical and scanning probe devices and materials for macroscopic composites.

TL;DR: Biological surface science (BioSS) as discussed by the authors is a broad interdisciplinary area where properties and processes at interfaces between synthetic materials and biological environments are investigated and bio functional surfaces are fabricated.

TL;DR: In this article, a review of organic functionalization of semiconductors is presented, with a focus on attachment strategies that demonstrate the molecular nature of the semiconductor surface and the expected impact of these functionalization strategies on emerging technologies in nanotechnology, sensing, and bioengineering.

TL;DR: A carefully selected combination of this set of characteristics will enable us to bioengineer surfaces that are capable to direct and control a desired biological response.

TL;DR: The state of the art of the field is reviewed on the basis of examples from various research groups in this article, and a series of new experiments that could be undertaken to answer some key questions in the field are discussed.

TL;DR: In this article, structural models for the different surfaces of ZnO surfaces are proposed and related to the stability and reactivity of the surfaces, based on these results, structural models are proposed.

TL;DR: Molecular beam epitaxy (MBE) is a process for growing thin, epitaxial films of a wide variety of materials, ranging from oxides to semiconductors to metals.

TL;DR: In this paper, the spin-polarized density functional theory with the generalized gradient approximation and ultrasoft pseudopotentials is used to investigate the interaction between H atoms and a graphite surface.

TL;DR: In this paper, the authors investigated the hopping self diffusion coefficient of an adatom on the (1, 0, 0) surface of nine FCC metals using Monte Carlo variational transition state theory and the Lennard-Jones (L-J) interactions.

TL;DR: The formation of different phases of Bi-O system during oxidizing process of Bi films from the viewpoint of structure characteristics and optical properties, is investigated in this article, where the band gap values, (Eg ¼ 2:29-3:31 eV), for direct transitions, have been determined and an energy gap of � 2 eV for amorphous phase was found.

TL;DR: In this article, the relative stability and adhesion of the polar Al(1 1 1)/WC(0 0 0 1) interface using density functional theory was examined for six different interfacial structures, taking into account both W- and Cterminations of the carbide.

TL;DR: In this article, the authors show that the transition from hydrophilic to hydrophobic by VIS irradiation is caused by the elimination of water adsorbed on the surface due to the heat generated.

TL;DR: In this paper, the (0, 0, 1) surface atomic structure of Nb-doped SrTiO3 single crystals which were annealed in ultra high vacuum was investigated using scanning tunneling microscopy (STM).

TL;DR: In this article, the influence of the ambient gas phase on the surface structure and stoichiometry, adsorbate phase transitions and thermal desorption, and the role of atoms' dynamics and statistics for the surface chemical reactivity are discussed.

TL;DR: The structure of thin thin films reflects a conflict between maximising the binding to the surface and minimising the stress in the multilayer film as discussed by the authors, and the first bilayer of water forms an ordered hexagonal overlayer which shows a (39 × 39 )R16.1° LEED pattern.

TL;DR: In this paper, the thermal stability of unsupported gold (Au) nanoparticles, containing 140-6708 atoms, was investigated using molecular dynamics simulation in combination with the modified embedded-atom-method potential.

TL;DR: In this paper, density function theory calculations are applied to the simulation of CO oxidation reactions over platinum, palladium and rhodium surfaces, and the detailed reaction scenario together with activation energies, prefactors and rate constants can be derived.

TL;DR: In this paper, the authors describe the various routes electrochemists have used to obtain a detailed characterization of electrode surfaces in particular, and of the electrochemical interface in general, and describe the current status of electrochemical surface science and its most important future goals.

TL;DR: In this article, the surface relaxations and energies of (bcc) Fe have been calculated using density functional theory, and the results demonstrate that for the (1,0,0) surface a contraction of the first (outer) layer is observed while the second and third layers expand perpendicular to the surface plane, showing the surface to be basically bulk terminated.

TL;DR: In this article, the authors apply the Green's function based full-potential (FP) screened Korringa-Kohn-Rostoker method in conjunction with the local density approximation to study the surface energies of the noble and the fcc transition and sp metals.

TL;DR: In this article, the present state of the knowledge of the properties of clusters of atoms which in their bulk form conventional metals or semiconductors is described and the questions addressed include the development of the electronic structure as a function of cluster size and for example what remains of the ''metallic' properties of the bulk solid in these very small clusters.

TL;DR: In this paper, the authors studied the effect of charge transfer on the photoemission onset of Au nanoclusters on TiO 2 (1/1/0) and showed that the initial state effect involving charge transfer from defect states into cluster states is influenced by the degree of reduction of the TiO2 substrate.

TL;DR: In this paper, a grain boundary in highly oriented pyrolitic graphite has been investigated by scanning tunneling microscopy (STM) and a periodic structure has been observed along the boundary.

TL;DR: In this article, the structure of anatase TiO2(0.0.1) surface and its reactivity towards carboxylic acids were studied using in situ scanning tunnelling microscopy (STM), low-energy electron diffraction (LEED), X-ray photoemission spectroscopy (XPS) and temperature-programmed desorption (TPD).

TL;DR: In this paper, the authors present an overview of surface and interface science in the field, as well as provide their view on what may lie ahead in the future, and illustrate these using polymer-based light-emitting devices, though the same type of issues appear in other polymerbased applications such as transistors and solar cells.

TL;DR: In this paper, thermal desorption spectroscopy (TDS) and synchrotron-based high-resolution soft X-ray photoelectron spectrographs were used to study the interactions of three sulfur-containing molecules (C 4 H 4 S, SO 2, CH 3 SH) with a clean Au(1, 1, 1) surface.

TL;DR: In this article, the authors used temperature programmed desorption (TPD), low-energy electron diffraction (LEED), and in situ variable-temperature scanning tunneling microscopy (STM) to characterize Pd(1.0) oxidation.

TL;DR: In this article, the authors discuss the progress in this field, with an emphasis on how the field of surface science has influenced our understanding of friction, and how to use surface science to understand friction.

TL;DR: A wide variety of gas phase ions with kinetic energies from 1 − 10 7 eV increasingly are being used for the growth and modification of state-of-the-art material interfaces as mentioned in this paper.