SINGLE CRYSTAL SYNTHETIC DIAMOND MATERIAL
Single crystal CVD diamond material comprising a total nitrogen concentration of at least 5 ppm and a neutral single substitutional nitrogen, Ns 0, to total single substitutional nitrogen, Ns, ratio of at least 0.7. Such a diamond is observed to have a relatively low amount of brown colouration desp...
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Format | Patent |
Language | Chinese English |
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21.09.2021
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Abstract | Single crystal CVD diamond material comprising a total nitrogen concentration of at least 5 ppm and a neutral single substitutional nitrogen, Ns 0, to total single substitutional nitrogen, Ns, ratio of at least 0.7. Such a diamond is observed to have a relatively low amount of brown colouration despite the relatively high concentration of nitrogen. A method of making the single crystal diamond is also disclosed, the method including growing the CVD diamond in process gases comprising 60 to 200 ppm nitrogen, in addition to a carbon-containing gas,and hydrogen, wherein the ratio of carbon atoms in the carbon-containing gas to hydrogen atoms in the hydrogen gas is 0.5 to 1.5%.
单晶CVD金刚石材料,包含至少5ppm的总氮浓度和至少0.7的中性单一替位氮Ns0与总单一替位氮Ns之比。尽管氮的浓度相对高,但观察到这样的金刚石具有相对少量的棕色着色。还公开了制造单晶金刚石的方法,该方法包括在工艺气体中生长CVD金刚石,所述工艺气体除含碳气体和氢之外还包含60至200ppm氮,其中含碳气体中的碳原子与氢气中的氢原子之比为0.5至1.5%。 |
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AbstractList | Single crystal CVD diamond material comprising a total nitrogen concentration of at least 5 ppm and a neutral single substitutional nitrogen, Ns 0, to total single substitutional nitrogen, Ns, ratio of at least 0.7. Such a diamond is observed to have a relatively low amount of brown colouration despite the relatively high concentration of nitrogen. A method of making the single crystal diamond is also disclosed, the method including growing the CVD diamond in process gases comprising 60 to 200 ppm nitrogen, in addition to a carbon-containing gas,and hydrogen, wherein the ratio of carbon atoms in the carbon-containing gas to hydrogen atoms in the hydrogen gas is 0.5 to 1.5%.
单晶CVD金刚石材料,包含至少5ppm的总氮浓度和至少0.7的中性单一替位氮Ns0与总单一替位氮Ns之比。尽管氮的浓度相对高,但观察到这样的金刚石具有相对少量的棕色着色。还公开了制造单晶金刚石的方法,该方法包括在工艺气体中生长CVD金刚石,所述工艺气体除含碳气体和氢之外还包含60至200ppm氮,其中含碳气体中的碳原子与氢气中的氢原子之比为0.5至1.5%。 |
Author | EDMONDS ANDREW MARK MARKHAM MATTHEW LEE COLARD PIERRE-OLIVIER FRANCOIS MARC |
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DocumentTitleAlternate | 单晶合成金刚石材料 |
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Snippet | Single crystal CVD diamond material comprising a total nitrogen concentration of at least 5 ppm and a neutral single substitutional nitrogen, Ns 0, to total... |
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SubjectTerms | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
Title | SINGLE CRYSTAL SYNTHETIC DIAMOND MATERIAL |
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