Abstract
We patterned α-Fe2O3 nanowires by a simple pressing method and investigated their field emission properties. We synthesized α-Fe2O3 nanowires from a sputtered thin Fe film. Fe films (thicknesses: 150, 300, 650 and 1700nm) were annealed from room temperature to 375°C for 1min and maintained at a temperature of 375°C for 0–60min. The length of the nanowires increased with the annealing time and thickness of the Fe films. We pressed a microstructured mold onto the nanowires and patterned the nanowires with an island array. The field-emission current of the nanowires patterned by pressing a mold was higher than that of nonpressed nanowires.
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