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We report the fabrication and characterization of magnetic polymer nanocomposites for a wide range of sensing applications. The composites are made of magnetic nanowires (NWs) incorporated into polymers such as polydimethylsiloxane (PDMS) or UV sensitive SU-8. The developed composites utilize the permanent magnetic behavior of the NWs, allowing remote operation without an additional magnetic field...
Summary form only given. Silicon carbide nanowires with junctions are considered to be of potential value in nanoelectronics. A simple method by catalyst-assisted vapor-liquid-solid reaction for producting Y-junction silicon carbide nanowires is described. The Y-junction silicon carbide nanowires are investigated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It...
Summary form only given. Large scale SiC/SiO2 nanowires have been synthesized on Si (100) by the reaction of methane with silica using iron as catalyst. The growth time was 10 mins and the growth temperature was around 1,250°C in a normal atmospheric pressure. Detailed investigation with scanning electron microscopy (SEM), energy-dispersed X-ray (EDX), X-ray diffraction (XRD) and transmission electron...
The effects of growth conditions on the morphology of ZnO nanostructures grown by CVD process with Au catalyst were systemically studied and the key factors controlling growth were identified. Two growth modes of ZnO formation were observed: self-catalyzed growth on Si substrate and gas-phase nucleation and growth. In the former case, the ZnO nanostructures grow by the vapor-solid mechanism and the...
We report on the development of coplanar contact pattern for the RF-characterisation of nanoscaled devices. A contact layout exhibiting a low parasitic capacitance is developed using electrostatic field theory calculations. The improved pad- and coupling capacitance has been experimentally verified based on scattering parameter measurements and small signal parameter extraction of a single nanowire...
The temperature dependence of field emission currents from CuO nanowires are calculated using a method considering both nanowire core conducting current and hopping current induced by surface states. Results are compared to data from experimental work
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