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We report the generation of trapezoidal current pulses by applying a dc voltage to a single nanocrystalline silicon microwire through a load. The wire is expected to be physically disconnecting and reconnecting at a constriction near its midpoint as a result of volume change in repeated solid-liquid phase transitions. A scanning electron microscope image and the wire's electrical characteristics suggest...
In this paper, field emission characteristics in relation to structural properties of Marimo carbon were investigated. The morphology of the grown carbon was investigated using SEM and TEM was used for investigation of fibriform nanomaterials fine structure. Emission current was measured as a function of anode voltage. Results showed that spherical shape like as "Marimo" was observed with...
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