Microcrystalline diamond powders are deposited directly by a HFCVD apparatus with adding amounts of trimethyl borate in gas mixture. The study establishes the relationship between the boron concentration and growth behaviors of microcrystalline diamond particles. The results present that the addition of boron and oxygen atoms increases the growth rate of diamond crystals by a factor of 1.2–1.7, moreover, does not influence the morphology and grain density of diamond particles significantly.

中文翻译：

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HFCVD合成掺硼微晶金刚石

通过HFCVD设备直接沉积微晶金刚石粉末，并在气体混合物中添加一定量的硼酸三甲酯。该研究建立了硼浓度与微晶金刚石颗粒生长行为之间的关系。结果表明，硼和氧原子的添加将钻石晶体的生长速率提高了1.2-1.7倍，而且，并没有显着影响钻石颗粒的形貌和晶粒密度。