Journal of Inorganic Materials, Volume. 38, Issue 3, 303(2023)

Rapid Growth of Single Crystal Diamond at High Energy Density by Plasma Focusing

Yicun LI1... Xuedong LIU1, Xiaobin HAO1, Bing DAI1,*, Jilei LYU2 and Jiaqi ZHU1 |Show fewer author(s)
Author Affiliations
  • 11. School of Astronautics, Harbin Institute of Technology, Harbin 150000, China
  • 22. Hubei Carbon Six Science and Technology Co., Ltd, Yichang 443000, China
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    Figures & Tables(8)
    Simulation results of the distribution of electric field and electron density in the reaction chamber at 3500 W and 18 kPa
    Observation maps of plasma under two conditions (MW power 3500 W, pressure 18 kPa, with Hα filter)
    Hα (656 nm) intensity of plasma under different power and pressure conditions
    Photos of growth of samples
    OE spectra during growth of different samples
    Optical microscopic images of surface morphologies of sample after growth
    Central region Raman spectra of sample S1, S2, S3, S4 after growth (excited by 532 nm wavelength laser)
    • Table 1. Conditions for the growth experiment of single crystal diamond samples

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      Table 1. Conditions for the growth experiment of single crystal diamond samples

      SampleSubstrate typeN2 concentration/(μL·L-1) Growth rate/(μm·h-1)
      S1molybdenum disk09.5
      S2focusing structure032.2
      S3molybdenum disk30020.1
      S4focusing structure30097.5
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    Yicun LI, Xuedong LIU, Xiaobin HAO, Bing DAI, Jilei LYU, Jiaqi ZHU. Rapid Growth of Single Crystal Diamond at High Energy Density by Plasma Focusing[J]. Journal of Inorganic Materials, 2023, 38(3): 303

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    Paper Information

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    Received: Oct. 27, 2022

    Accepted: --

    Published Online: Oct. 16, 2023

    The Author Email: DAI Bing (daibinghit@vip.126.com)

    DOI:10.15541/jim20220633

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