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Adsorption and Reaction of SO2 with a Polycrystalline UO2 Film
Adsorption and Reaction of SO2 with a Polycrystalline UO2 Film

... chamber with base pressure of ∼5 × 10-11 Torr. The chamber is equipped with XPS, TPD, and LEIS. A detailed description of the experimental apparatus has been given previously.12,13 The sample is mounted onto an x-y-z rotary manipulator, which allows cooling to ∼100 K by liquid nitrogen and resistive ...
Magnetism variations and susceptibility hysteresis at the metal
Magnetism variations and susceptibility hysteresis at the metal

Predicting point defect equilibria across oxide hetero-interfaces
Predicting point defect equilibria across oxide hetero-interfaces

Computational Study Of Molecular Hydrogen In Zeolite Na
Computational Study Of Molecular Hydrogen In Zeolite Na

Introduction and literature survey
Introduction and literature survey

high temperature material processes
high temperature material processes

... (c) The plasma is an ideal gas that can be described by continuum mechanics. (d) Heavy particles and electrons follow Maxwellian velocity distribution functions, with the same temperature for all species (local thermodynamic equilibrium). Hypothesis (d) may be approximate in view of results obtained ...
Pore Scale Modeling of Rock Properties and Comparison to Laboratory Measurements
Pore Scale Modeling of Rock Properties and Comparison to Laboratory Measurements

... The BET surface area measurement is based on the volume of Krypton (Kr) gas adsorbed at a sequence of pressure points. Kr provides roughly 300 times greater sensitivity than Nitrogen (N2). All the laboratory measurement results are listed in Table 4. ...
J. Jhaveri, S. Avasthi, G. Man, W. McClain, K. Nagamatsu, J. Schwartz, A. Kahn, J.C. Sturm, "Hole-blocking Crystalline Silicon/Titanium-Oxide Heterojunction with Very Low Interface Recombination Velocity", Proc. IEEE Photovoltaic Spec. Conf. (PVSC), Paper 912, Tampa, FL (JUN 2013).
J. Jhaveri, S. Avasthi, G. Man, W. McClain, K. Nagamatsu, J. Schwartz, A. Kahn, J.C. Sturm, "Hole-blocking Crystalline Silicon/Titanium-Oxide Heterojunction with Very Low Interface Recombination Velocity", Proc. IEEE Photovoltaic Spec. Conf. (PVSC), Paper 912, Tampa, FL (JUN 2013).

m - DepositOnce
m - DepositOnce

... Light olefins like ethene or propene are very important chemicals used for the synthesis of various polymers or solvents. In Europe the largest amount of propene is synthesized via steam cracking processes (70 – 75 %), followed by fluid catalytic cracking (28 %) and to a small amount (2 %) by cataly ...
"Energy transfer in Bio-Molecules-Mechanism, validity and applicability of Nanometal Surface Energy Transfer"
"Energy transfer in Bio-Molecules-Mechanism, validity and applicability of Nanometal Surface Energy Transfer"

223
223

Chapter 6 One-Electron Reduction Potentials of Aqueous Co2+
Chapter 6 One-Electron Reduction Potentials of Aqueous Co2+

... potentially also the most accurate. Reduction in these gas-phase electrochemistry experiments depends on the low probability of capturing a gaseous electron by a hydrated ion cluster and is not controlled by a potential as in solution-phase experiments. Thus, our gas-phase electrochemistry method ca ...
Curriculum Vitae - Université Paris-Sud
Curriculum Vitae - Université Paris-Sud

... such as alcohol are OH. scavengers and may contribute to the reduction under irradiation. The final size of metal clusters stabilized by these polymers lies in the nanometer range. Sodium polyacrylate (PA) is a much stronger stabilizer which allows the formation of long-lived metal oligomers (Figure ...
The Integument of Water-walking Arthropods: Form and Function John W.M. Bush
The Integument of Water-walking Arthropods: Form and Function John W.M. Bush

... goal of this review is to develop a coherent view of the form and function of the surface structure of water-walking arthropods by reviewing biological work on the subject in light of recent advances in surface science. The arthropod integument has received attention from various fields of biology. E ...
Ligand to Ligand Charge Transfer in
Ligand to Ligand Charge Transfer in

... electronegativities, has been developed,1 but the most common descriptions are based on HOMO-LUMO separations calculated by molecular orbital theory. An uncommon type of charge-transfer transition is ligand to ligand (LLCT) or interligand charge transfer. In comparison to the vast literature on MLCT ...
Oxygen Isotope Effects as Structural and Mechanistic Probes in
Oxygen Isotope Effects as Structural and Mechanistic Probes in

msc_pre_chemistry_pap1_bl2
msc_pre_chemistry_pap1_bl2

... low spin complexes, and we have now seen that magnetic susceptibility allow us to experimentally distinguish one from the other. Within ligand field theory, these two spin configurations in octahedral complexes are explained in terms of relative magnitudes of  and pairing energy (P): We associate ...
Paper
Paper

Acta Chim. Slov. 2000, 47, 179−185. 179 Co(II), Ni(II) and Cu(II
Acta Chim. Slov. 2000, 47, 179−185. 179 Co(II), Ni(II) and Cu(II

The Molecular Structure of Bismuth Oxide by
The Molecular Structure of Bismuth Oxide by

Role of Pt-precursor on the performance of Pt/BaCO3/Al2O3·NOx
Role of Pt-precursor on the performance of Pt/BaCO3/Al2O3·NOx

ACTIVIDAD CATALÍTICA DE COMPUESTOS COMPLEJOS DE Pd (II)
ACTIVIDAD CATALÍTICA DE COMPUESTOS COMPLEJOS DE Pd (II)

Synthesis, Structure, and Spectroscopic Properties of Vanadium(III
Synthesis, Structure, and Spectroscopic Properties of Vanadium(III

... techniques. In all cases, the metal ion is in a distorted octahedral environment, facially coordinated to a tridentate hydridotris(pyrazo1yl)borate ligand of varying steric bulk. The structures of the complexes of the type [L2V]BPh4have been determined by single-crystal X-ray diffraction. Crystal da ...
Interaction of a Copper Surface with Light: Plasmons, Electrons
Interaction of a Copper Surface with Light: Plasmons, Electrons

Kinetic multi-layer model of aerosol surface and bulk chemistry (KM
Kinetic multi-layer model of aerosol surface and bulk chemistry (KM

< 1 2 3 4 5 6 7 8 9 10 ... 37 >

Surface properties of transition metal oxides

Transition metal oxides are compounds composed of oxygen atoms bound to transition metals. They are commonly utilized for their catalytic activity and semiconductive properties. Transition metal oxides are also frequently used as pigments in paints and plastics, most notably titanium dioxide. Transition metal oxides have a wide variety of surface structures which affect the surface energy of these compounds and influence their chemical properties. The relative acidity and basicity of the atoms present on the surface of metal oxides are also affected by the coordination of the metal cation and oxygen anion, which alter the catalytic properties of these compounds. For this reason, structural defects in transition metal oxides greatly influence their catalytic properties. The acidic and basic sites on the surface of metal oxides are commonly characterized via infrared spectroscopy, calorimetry among other techniques. Transition metal oxides are also able to undergo photo-assisted adsorption and desorption to control their semiconductivity. One of the more researched properties of these compounds is their response to electromagnetic radiation, which makes them useful catalysts for redox reactions, isotope exchange, specialized surfaces, and a variety of other uses currently being studied.
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