Xin-wei LIU, Mei-hua CHEN, Gai WU, Si-ming LU, Ying BAI. Effects of Spectral Characteristics of High Temperature High Pressure Annealed Brown CVD Diamonds[J]. Spectroscopy and Spectral Analysis, 2022, 42(1): 258
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 1, 258 (2022)
Fig. 1. UV-Vis absorption spectra of CN-2 before and after HPHT-processing
Fig. 2. MIR absorption spectra of samples before (a) and after (b) HPHT-processing
Fig. 3. NIR absorption spectra of samples before (a) and after (b) HPHT-processing
Fig. 4. PL patterns of CN-2 before and after HPHT-processing
(a): 532 nm light excitation; (b): 633 nm light excitation
(a): 532 nm light excitation; (b): 633 nm light excitation
Fig. 5. Three-dimensional fluorescence spectra of CN-2 before and after HPHT-processing
Before heated: (a) Isometric three-dimensional projection; (b) Contour spectrum After heated: (c) Isometric three-dimensional projection; (d) Contour spectrum
Before heated: (a) Isometric three-dimensional projection; (b) Contour spectrum After heated: (c) Isometric three-dimensional projection; (d) Contour spectrum
Fig. 6. Raman spectra and XRD rocking curve of samples before and after HPHT-processing
Raman spectra (a): Before heated; (b): After heated XRD rocking curve (c): Before heated; (d): After heated
Raman spectra (a): Before heated; (b): After heated XRD rocking curve (c): Before heated; (d): After heated
Fig. 7. Raman spectra and XRD rocking curve FWHM of samples before and after HPHT-processing
(a): Raman spectra FWHM of samples; (b): XRD rocking curve FWHM of samples
(a): Raman spectra FWHM of samples; (b): XRD rocking curve FWHM of samples
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Table 1. Basic information of samples
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