Vinyltrimethylsilane (VTMS) as a probe of chemical reactivity of a TiCN diffusion barrier-covered silicon surface

Article Abstract:

The first molecular level investigation of the amorphous TiCN film deposited onto clean single-crystal Si(100)-2 X 1 surface in ultrahigh vacuum conditions are presented. A comparison of the computational predictions for a variety of possible adsorption sites with the results of thermal desorption and infrared measurements shows that almost 90% of the adsorbed vinyltrimethylsilane (VTMS) is chemisorbed along the Ti-C bond while approximately 10% is chemisorbed on a Ti corner atom, the minority site of the surface.

Titanium compounds, Atomic properties, Methyl groups, Vinyl compounds, Methyl compounds

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Reductive destruction of chemical warfare agent simulants in water

Article Abstract:

A study was conducted to measure the rate constants for the reaction of substituted diethyl phosphates and phosphonates with the hydroxyl radical and hydrated electron. The result confirms that this reaction of chemical warfare (CW) simulants are better representatives for the development of methods for the detection, decontamination, and destruction of CW agents.

Analysis, Ether, Ether (Anesthetic), Chemical properties, Cardiotonic agents, Cardiac glycosides

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De-gassed water is a better cleaning agent

Article Abstract:

A demonstration showing that de-gassed water is more effective at dispersing hydrophobic 'dirt', such as liquid hydrocarbons or oils is presented. This effect appears to be due to the reduction of natural cavitation, which would otherwise oppose the dispersion of hydrophobic liquid droplets into water.

Observations, Electric properties, Hydrocarbons, Liquid hydrogen, Hydrophobic effect

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