FORMATION AND FIELD EMISSION CHARACTERISTICS OF AMORPHOUS AND CRYSTALLINE Si NANOARRAYS
2007
Highly ordered crystalline and amorphous Si nanoarrays have been formed by using self-assembled monolayer of polystyrene nanospheres as a template followed by dry ion etching treatments. The template was removed by annealing at 8°C and pattern transfer process was revealed by atomic force microscopy. It was shown that the ordered Si nanotips with a height about 70–80 nm and an average lateral size around 150 nm can be obtained. Field emission with low threshold electric field (
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