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Polyethylene terephthalane (PET) has been modified with W ions from a metal vapour arc source (MEVVA). W ions were implanted at 136keV to doses ranging from 5x10 15 to 2x10 17 /cm 2 . The surface of the implanted PET darkened with increasing ion dose, when the metal ion dose is greater than 1x10 17 cm -2 the colour changed to metallic bright...
Titanium nitride (TiN) coatings were fabricated by vacuum cold spray (VCS) process at room temperature with nano-sized starting powder (about 20 nm in size). The microstructure of the powder and coating was examined by scanning electron microscope and X-ray diffraction. The porosity and pore distribution of the VCS TiN coatings were measured by the N 2 adsorption-desorption method. The microhardness...
Ni films with a thickness of 45–240 nm were sputter-deposited on HCl-doped polyaniline (HCl-PANI) substrates at 300 K, forming the Ni/HCl-PANI composites. All the Ni films grow with columnar grains. The grain size increases with increasing film thickness. A temperature dependence of the resistance within 5–300 K reveals that all the Ni/HCl-PANI composites exhibit a metal–semiconductor transition....
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