Abstract
Diamond particles were grown on regular arrays of sharpened silicon tips. Depending on growth conditions, the particles had different shapes and different microstructures: from fine-crystalline to single-crystalline. By varying growth conditions, it was possible to obtain various extent of coating of the tips: from single particles on or close to very ends of the tips up to total overgrowing of the tips down to their roots. Field emission measurements have demonstrated different characteristics for fine- and large-grain coatings.
© 1995 Optical Society of America
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