Preparation of PbTiO3 Thin Films by Ion Beam Sputtering.

Point defects in Sc2O3 thin films by ion beam sputtering.

We show that the concentration of oxygen interstitials trapped in Sc2O3 films by ion beam sputtering from metal targets can be controlled by modifying deposition conditions. We have identified point defects in the form of oxygen interstitials that are present in Sc2O3 films, in significantly high concentrations, i.e., ∼10(18)  cm(-3). These results show a correlation between the increase of oxy...

Nanocrystalline magnetite thin films grown by dual ion-beam sputtering

7--s thin films grown in situ by sequential ion beam sputtering

We have analyzed epitaxial, c-axis oriented YBa,CujO, _ 6 thin films grown in situ by sequential ion-beam sputtering on (100) SiTiOs and (100) MgO substrates. X-ray diffraction studies showed the presence of both homogeneous and inhomogeneous lattice distortions along the c-direction. The c-axis lattice parameters ranged from 11.72 to 12.00 A. The broadening of the (001) Bragg peaks in excess o...

Surface Nanostructuring of TiO2 Thin Films by Ion Beam Irradiation

This work reports a procedure to modify the surface nanostructure of TiO2 anatase thin films through ion beam irradiation with energies in the keV range. The irradiation with N ions leads to the formation of a layer with voids at a depth similar to the ion projected range. By setting the ion projected range few tens of nanometres below the surface of the film, well ordered nanorods appear align...

Comparative study of IR and UV laser damage resistance of silica thin films deposited by Electron Beam deposition, Ion Plating, Ion Assisted Deposition and Dual Ion Beam Sputtering

The laser damage resistance of optical coatings is a critical point for a large number of applications. However improving this resistance is often hard to obtain because of the large number of parameters in the deposition processes than can modify the laser damage threshold and the lack of detailed and exploitable studies published on this subject. Then, the aim of this work is to test and anal...