Recently summary. UNIVERSITY single team of Prof. Takashi after repeated studies, synthetic diamond single crystal and carat diamonds by chemical vapor deposition process, and a new technology for mass synthesis in 1.2 carat, preferably white color and a clarity grade of SI1 Grade high quality diamonds. ...
Recently, the team of Professor Zheng Chongxin of Zhengzhou University has repeatedly studied the process of synthesizing diamond single crystal and carat diamond by chemical vapor deposition method, and using the new technology to synthesize the quality above 1.2 carats, the color is excellent and the clarity is SI1. High quality diamonds. It is reported that the synthesis temperature of the process does not exceed 1000 degrees, the pressure is less than one atmosphere, and the catalyst is not used in the synthesis process, thereby ensuring the purity of the synthetic diamond and the color and clarity of the diamond. The new process solves the current mainstream technology of diamond synthesis in the high-temperature and high-pressure process in the synthesis process, because nitrogen or catalyst enters the diamond, resulting in more impurities, and application problems in power electronic devices and the like. It is expected to be used in jewelry, microwave and terahertz windows, high-energy particle detection, and power electronics.
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