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JOURNAL OF SYNTHETIC CRYSTALS ›› 2022, Vol. 51 ›› Issue (5): 830-840.

Special Issue: 超硬材料与特殊环境晶体生长技术

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HPHT Synthesis of Boron Co-Doped Single Crystal Diamond

WANG Zhiwen1, MA Hongan1, CHEN Liangchao2, CAI Zhenghao1, JIA Xiaopeng1   

  1. 1. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China;
    2. Key Laboratory of Material Physics of Ministry of Education, Zhengzhou University, Zhengzhou 450052, China
  • Received:2022-02-10 Online:2022-05-15 Published:2022-06-17

Abstract: Diamond is a superhard and multi-functional material with excellent properties. Synthetic diamond can own unique properties by doping. Boron-doped diamond has both conductive characteristics of p-type semiconductor and excellent physical and chemical properties. It has wide application value in national defense, medical treatment, exploration, scientific research and other fields. Based on boron-doped diamond and boron co-doped diamond single crystals synthesized by high pressure and high temperature (HPHT) method in our laboratory, the synthesis and properties of boron-doped diamond, boron-hydrogen co-doped diamond and boron-nitrogen co-doped diamond are discussed. The influence of different additives on the synthesis properties of the synthetic diamonds through the optical and electrical characterization are analyzed, which provides some ideas for further synthesizing high-performance semiconductor diamonds.

Key words: boron-doped diamond, HPHT, superhard material, crystal growth, co-doping, Hall effect, semiconductor diamond

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