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Iridium oxide (IrO2 ) micronanostructures are grown on fused silica (FS), Si (1 0 0) and copper (Cu) substrates using direct-vapor-phase (DVP) technique and investigated for gas-sensing properties. The shape and size of IrO2 micronanostructures depend on the rate of evaporation of source material. The sensitivity of IrO2 to ethanol, acetone, and propanol is tested under similar test conditions. The...
Self-assembled in-plane fabrication of Cu3Si and Mg2SiO4 nanostructures were achieved on Si substrates by a simple vapor transport method. The morphologies of the as fabricated structures were controlled by the surface orientation of the substrates, i.e. Cu3Si nanowires (NWs), nanosquares (NSs), and nanotriangles (NTs) were synthesized on Si (110), (100), and (111) substrates, respectively. In the...
We present an analysis on the blurring, electrical and optical properties of nanostructures fabricated by stencil lithography and their application for biomolecular sensing. We analyze the effect of the stencil-substrate gap on the blurring, then we present the fabrication and electrical characteristics of nanowires on plastic substrates, and finally, we demonstrate the application of nanodots for...
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