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Toyota, H.; Nomura, S.; Takahashi, Y.; Mukasa, S.
Diamond and related materials, 11/2008, Letnik: 17, Številka: 11Journal Article
A new high-rate crystal diamond synthesis method using plasma submerged in liquid alcohol was developed. The diamonds are grown by contact with the in-liquid plasma created by applying microwaves to a liquid methanol solution. The chemical reaction rate in the plasma is much higher than in the conventional gas phase plasma because the plasma is stably generated in a bubble in the liquid solution. Therefore, a very high diamond deposition rate (100 μm/h) becomes possible even under low pressure. The success of this method will be the foundation for the high-volume supply of low-cost diamond substrate.
