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In this paper we present results of structural and topographical studies of C-Ni nanocomposite films with different Ni content. Films were obtained by PVD method. Their structure was investigated by Raman and FTIR spectroscopy and topography by AFM. Typical field emission current from these films is few μA (up to 10 μA) for 3kV anode-cathode voltage and 0.1mm anode-cathode distance.
In this paper the effect of single nanosecond laser pulse irradiation on the microstructure and field emission (FE) properties of carbon films is studied. Amorphous carbon films are exposed to a single pulse of a 248 nm excimer laser with pulse width of 23 nsec and varying energies. Microstructural changes of the films are investigated by Raman spectroscopy, transmission electron microscopy and electron...
Boron-doped nanodiamond (NCD) films were synthesized on silicon substrates by microwave plasma chemical vapor deposition (MPCVD) technique. The effect of vacuum annealing on the field emission characteristics of NCD films has been investigated. The surface morphology and quality of films was characterized by scanning electron microscope (SEM) and Raman spectroscopy. The SEM images clearly reveal formation...
In this work and with a view to optimizing their FE properties, LaS films of increased crystallinity were obtained by PLD on lattice matched MgO substrates, at elevated substrate temperatures and in a background gas of H2S. The thin films have been characterized by high resolution transmission electron microscopy, atomic force microscopy (AFM), X-ray diffraction, ellipsometry and Raman spectroscopy...
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