Yu-Kun Qin, Hong-Yu Xiao, Li-Na Liu, Rui-Rui Sun, Qiu-Bo Hu, Zhi-Gang Bao, Yong-Sheng Zhang, Shang-Sheng Li, Xiao-Peng Jia. Effects of seed crystal size on growth of gem-diamond single crystal[J]. Acta Physica Sinica, 2019, 68(2): 020701-1
- Acta Physica Sinica
- Vol. 68, Issue 2, 020701-1 (2019)
Fig. 1. Sample assembly to treat Gem-diamond single crystals.宝石级金刚石单晶的生长组装示意图
Fig. 2. Optical photos of the diamonds using different seed-crystals in diameters: (a) 0.8 mm; (b) 1.5 mm; (c), (d) 2.2 mm.不同直径的籽晶生长金刚石大单晶的光学显微照片 (a) 0.8 mm; (b) 1.5 mm; (c), (d) 2.2 mm
Fig. 3. Optical photos of the diamonds and the carbon source.金刚石大单晶及剩余碳源的光学显微照片
Fig. 4. Curves between the limit growth rate and the synthesis time of the high quality diamonds with different diameters of the seed-crystals: (a) 0.8 mm; (b) 1.5 mm; (c) 2.2 mm.不同尺寸籽晶生长优质金刚石单晶的极限生长速度与合成时间关系曲线 (a) 0.8 mm; (b) 1.5 mm; (c) 2.2 mm
Fig. 5. Scanning electron microscope photographs of diamond single crystals using different seed-crystals in diameters.不同尺寸籽晶生长金刚石单晶的SEM测试结果
Fig. 6. FTIR curves of diamond single crystals: (a) Diamond crystal of Fig. 2 (a) ; (b) diamond crystal of Fig. 2 (b) ; (c) diamond crystal of Fig. 2 (c) .
金刚石单晶的微区FTIR测试 (a) 图2(a) 所示晶体; (b) 图2(b) 所示晶体; (c) 图2(c) 所示晶体
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Table 1.
Part names of gem-diamond sample assembly.
宝石级金刚石单晶生长组装内各部件名称
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Table 2.
Parameters and quality of gem-diamond single crystals.
宝石级金刚石单晶的晶体参数及品质
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