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In this work we report about the template-confined dewetting of Au nanoscale film on SiC substrate in view of a surface patterning control. In this approach, the Au surface pattern order, on the SiC substrate, is established by a template confined deposition on a micrometric scale. Then, a film dewetting process is induced by thermal processes. Using scanning electron microscopy analyses, we studied...
Ternary alloys of composition close to Cr 2 AlC have been deposited by ion beam sputtering onto unheated and heated to 380 °C Si substrates. As-deposited films are amorphous. Annealing of the film in vacuum at 700 °C leads to crystallisation with 39.2 nm crystallites. Crystallisation also can be achieved by annealing in air but there is also partial oxidation of the film surface to the depth...
The Au–ZnO nanowire films have been synthesized in two steps by combining the chemical routes, i.e. electrochemical deposition (ECD) and chemical bath deposition (CBD) techniques, and annealing process in air at 400 °C on zinc foil. The X-ray diffraction patterns exhibit formation of the ZnO wurtzite structure along with binary phases Au 3 Zn and AuZn 3 . The scanning electron microscope...
The effect of a surface oxide layer on platelet growth in H 2+ -implanted Si was investigated. Samples of p-type Cz Si (100) and the same Si covered with a 170 nm thick thermal oxide layer were implanted with H 2+ ions to a fluence of 2.5 × 10 16 H 2+ /cm 2 at room temperature. Post-implantation thermal annealing at temperatures between 773 K...
The effect of implantation temperature of crystalline silicon implanted with hydrogen on exfoliation was investigated. The samples were analyzed by Raman scattering spectroscopy, optical microscopy and transmission electron microscopy. Our experiment shows that the concentrations of implantation-induced defects and hydrogen decrease with the implantation temperature. Compared to the implantation at...
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