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Diamond/graphite phase diagram[1]

 
2021, 23(6): 12-24.
Progress in Synthesis and Analysis of Lab-Grown Diamond .

Figures of the Article

  • Diamond/graphite phase diagram[1]
  • Schematic diagram of HPHT method
  • Foreign HPHT lab-grown diamonds: a.Sumitomo Electric of Japan; b.NDT of Russia
  • HPHT lab-grown diamonds from Huanghe Whirl Wind Co. Ltd. from Henan Province: a.yellow type Ⅰ b; b.colourless type Ⅱa; c.blue type Ⅱb
  • HPHT devices: a.BARS type press; b.BELT type press; c.HING type cubic press
  • Large-size CVD lab-grown diamond[24]
  • Diamond synthesis by MPCVD method: a.MPCVD device; b.MPCVD diamonds in growth
  • Growing large-size lab-grown diamonds by substrate splicing[24]: a.Schematic diagram of diamond substrate splicing; b.Large-size CVD lab-grown diamond
  • UV-Vis-NIR spectrophotometer(a) and Fourier transform infrared spectrometer(b)
  • UV-Vis-NIR absorption spectra of type Ⅰ diamond(a) and type Ⅱ diamond(b)[29]
  • Mid-infrared spectra of various types of diamonds[38]
  • Photoluminescence spectra of type Ⅰ aAB diamond[39]
  • Raman spectrometer
  • Raman spectrum of CVD diamond[46]
  • Laser flash thermal conductivity measuring instrument
  • Hall effect testing instrument(a) and four-probe resistivity testing instrument(b)

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