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METHOD FOR MAKING FANCY ORANGE COLOURED SINGLE CRYSTAL CVD DIAMOND AND PRODUCT OBTAINED
METHOD FOR MAKING FANCY ORANGE COLOURED SINGLE CRYSTAL CVD DIAMOND AND PRODUCT OBTAINED
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机译:制作幻想橙色彩色单晶CVD金刚石的方法和获得的产品
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摘要
A method of making fancy pale blue or fancy pale blue/green CVD diamond material is described. The method comprises irradiating single crystal diamond material that has been grown by a CVD process with electrons to introduce isolated vacancies into the diamond material, the irradiated diamond material having (or after a further post- irradiation treatment having) a total vacancy concentration [VT] and a path length L such that [VT] x L is at least 0.072 ppm cm and at most 0.36 ppm cm, and the diamond material becomes fancy pale blue or fancy pale blue/green in colour. Fancy pale blue diamonds are also described.
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