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Tungsten trioxide (WO3) is always oxygen-deficient or non-stoichiometric under atmospheric conditions. Positively charged oxygen vacancies prefer to drift as well as electrons when the electric field is strong enough, which will alter the distribution of oxygen vacancies and then endow WO3 with memristive properties. In Au/WO3 nanowire/Au sandwich structures with two ohmic contacts, the axial distribution...
Mono-dispersed SnO 2 1D nanostructures of different diameters and SnO 2 1D nanostructures with graded diameters have been fabricated by modulating oxygen partial pressure in chemical vapor deposition method, in which Sn powder and oxygen gas were used as the source materials. Experimental results indicate that the diameters and the band gap of SnO 2 1D nanostructures depend...
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