Comment on parts 1 and 2 of the series "electric double layer at the rutile (!!)) surface"

Article Abstract:

A comment on an error in the real part of the Coulombic interaction between flexible atoms on a Ti[O.sub.2], that is, the mutual interaction of flexible bridging and terminal O and H atoms, and the interaction of these atoms with surface Ti and O atoms which kept rigid, is presented. The error affects only simulations of the hydroxylated surfaces (both neutral and negatively charged), but the mutual interactions of these groups are limited due to their large interatomic separations, and therefore, the error was negligible on these surfaces.

Hydrogen bonding, Hydrogen bonds, Properties, Electrostatic interactions, Coulomb potential

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Chemical vapor deposition of individual single-walled carbon nanotubes using nickel sulfate as catalyst precursor

Article Abstract:

Individual single-walled carbon nanotubes (SWNTs) were synthesized directly on a Si/SiO2 substrate by chemical vapor deposition using methane as the feedstock and nickel sulfate as the catalyst precursor. This new surface growth approach yields SWNTs of diameter 0.7-3 nm and lengths of up to tens of micrometers.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Silicon Dioxide, Methane, Carbon compounds, Chemical properties

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Electric double layer at the rutile (110) surface. 2. adsorption of ions from molecular dynamics and X-ray experiments

Article Abstract:

Molecular dynamics simulations are conducted to characterize the microstructure of the interface between aqueous solutions and the surface of rutile (alpha-TiO2) for hydroxylated and non-hydroxylated surfaces. Simulation results are compared with X-ray standing wave and crystal truncation rod studies.

Molecular dynamics, Ions, Atomic properties

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