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Large scale crystalline Fe3O4 nanopyramid arrays are fabricated by CH4 and N2 plasma sputtering of hematite [0001] wafer. The nanopyramid arrays are characterized using SEM, TEM and EELS and the possible growth mechanism is discussed
W18O49 nanotip arrays were prepared by a two-step high-temperature, catalyst-free physical evaporation deposition process in high-purity argon gas. The prepared products were characterized by scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy and transmission electron microscopy. Field emission measurements were carried out with a transparent...
In this paper, single tungsten oxide (WOx) nanotip has been welded on tungsten microtip by pulsed laser. Also, field emission characteristic and low resistance electrical contact were obtained using scanning electron microscopy (SEM)
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