Photoinduced reaction of disilane with the Si(111) surface

Article Abstract:

Temperature-programmed desorption was used to investigate the ultraviolet (UV) photoinduced reaction of disilane on Si(111). The reactivity of disilane was found to be greatly enhanced by the UV irradiation during and after dosing of the crystal surface. Greater Si deposition occurs when UV irradiation was made during disilane exposure of Si(111) than UV irradiation after disilane exposure. These results indicate that an insertion of silylene diradicals is involved in the UV photoreaction channel leading to Si deposition and formation of surface hydrides.

Reports, Photochemical research, Silicon compounds, Silane, Silanes

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Interfacial reaction during thin film growth of Ti on the MgO(001) surface

Article Abstract:

Coaxial impact collision ion scattering spectroscopy (CAICISS) and reflection high energy electron diffraction were used to investigate the reaction mechanism of Ti adsorbed on the MgO(001) surface. The results showed that Ti was incorporated into at least four layers of the surface through the substitutional sites of the Mg ions even at room temperature. The MgO lattice was not disordered at the diffusion of Ti. The MgO surface with the incorporated Ti ions did not suffer charging problems during the measurement of CAICISS.

Usage, Metallic oxides, Metal oxides, Collision spectroscopy

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Molecular dynamics computer simulations of surfactant monolayers: monododecyl pentaethylene glycol at the surface between air and water

Article Abstract:

Molecular dynamics computer simulations can be used to gain information about the dynamic properties of monododecyl pentaethylene glycol monolayers at the water surface. This approach is useful for understanding the stability and the dynamic properties of ultrathin adsorbed films.

Monomolecular films

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