Yang LÜ, Jing-cheng PEI, Yu-yang ZHANG. Chemical Composition and Spectra Characteristics of Hydrothermal Synthetic Sapphire[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3546
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 11, 3546 (2022)
Fig. 1. Samples' pictures
(a): Natural sapphire; (b): Flame-fusionsynthetic sapphire; (c): Hydrothermal synthetic sapphire
(a): Natural sapphire; (b): Flame-fusionsynthetic sapphire; (c): Hydrothermal synthetic sapphire
Fig. 2. Raman spectra of natural and synthetic sapphire samples
Fig. 3. Infrared spectra of natural and synthetic sapphire samples(400~1 000 cm-1)
Fig. 4. Infrared spectra of flame-fusion and hydrothermal synthetic samples(3 000~4 000 cm-1)
Fig. 5. UV-Vis spectra of natural and synthetic sapphire samples
Fig. 6. Three-dimensional fluorescence spectra of natural and synthetic sapphire samples
(a): Sapphire SR-1; (b): Sapphire SR-2; (c): Flame-fusion synthetic sapphire TR; (d): Natural sapphire XR-2
(a): Sapphire SR-1; (b): Sapphire SR-2; (c): Flame-fusion synthetic sapphire TR; (d): Natural sapphire XR-2
Fig. 7. Emission fluorescence spectra of natural and synthetic sapphire samples excited by 240 nm
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Table 1. Routine gemological parameters of natural and synthetic sapphire samples
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Table 2. Trace element of natural and synthetic sapphire samples (ppm)
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Table 3. Raman displacement and attribution of nature and synthetic sapphire samples
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Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm-1)
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