Importance

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Abstract

The present invention provides methods of making and using semiconductive single crystal diamond bodies, including semiconductive diamond bodies made by such methods. In one aspect, a method of making a semiconductive single crystal diamond layer may include placing a plurality of diamond segments in close proximity under high pressure in association with a molten catalyst and a carbon source, where the diamond segments are arranged in a single crystal orientation. The plurality of diamond segments are then maintained under high pressure in the molten catalyst until the plurality of diamond segments have joined together with diamond to diamond bonds to form a substantially single crystal diamond body. Following creation of the single crystal diamond body, a homoepitaxial single crystal diamond layer may be deposited on the single crystal diamond body. A dopant may be introduced into the homoepitaxial single crystal diamond layer to form a semiconductive single crystal diamond layer.

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First Claim