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This paper studies the preparation procedure of nanostructured (LaxBa1-x)B6 cathode materials by liquid phase reactive spark plasma sintering. The phase identification and purity of the sintered samples is determined by X-ray diffraction (XRD) and X-ray fluorescence. The vibrational property is examined by using Raman spectroscopy. The SEM and electron back-scattered diffraction (EBSD) investigation...
In this work, we report an efficient method of chemical vapour deposition, without use of any metal catalysts, for the successful synthesis of vertical graphene nanoflake films (GNFs) on Si substrate. Effects of the growth condition on the surface morphology, microstructure, and chemical composition of GNFs are characterized by using scanning electron microscopy, transmission electron microscopy,...
The alpha-MoO3, h-MoO3 and Mo4O11 oxides are formed by low-temperature chemical synthesis from water-based solutions by different precipators. Phase purity and high crystallinity of final products are confirmed with XRD and TEM analysis. Spectral properties of molybdenum oxide nanocrystals are measured with IR and Raman spectroscopies. Lo-temperature precipitation from water-based solutions can be...
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...
Summary form only given. Successful deposition of nano-phase crystalline TiO2 thin films on polymeric substrates, polymethylmethacrylate (PMMA) and knitted polyethylene (PE) at room temperature was achieved using the dense plasma focus (DPF) device. Deposition was achieved using argon- oxygen gas mixture in the ratio of 9:1 after evacuating the chamber to a base pressure of 10-5 mbar. The working...
Nanostructured silicon thin films prepared by layer-by-layer deposition technique were studied. The films were grown at different deposition conditions such as radio-frequency (rf) power, hydrogen to silane flow-rate ratio and substrate temperature. The effect of these deposition conditions on the surface morphology, hydrogen bonding property and crystallinity of the films were studied. These properties...
In this paper, nanodiamonds embedded diamond-like carbon films were fabricated. Nanodiamonds were dispersed onto silicon wafer by dielectrophoresis technique while the DLC films were deposited using magnetic filtered cathodic vacuum arc (MFCVA) technique. Surface inhomogeneity of morphology, contact potential and resistance of the films were studied by using scanning electron microscopy, Raman spectroscopy,...
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