Spectroscopy and Spectral Analysis, Volume. 42, Issue 1, 236(2022)
Study on the Surface Morphology and Its Vibrational Spectra of Diamond From the Western Yangtze Craton
Fig. 1. Surface morphology of diamonds from the Western Yangtze craton
(a): Triangular growth lamella; (b): Shield sheet; (c): Serrated grwoth pattern; (d): Peak cluster triangular hill;(e): Spiral growth pattern; (f): Inverted triangle pit; (g): Hexagon pit; (h): Quadrilateral pit;(i): Closed halo; (j): Fascicular halo; (k): Drop mound; (l): Small melting pit;(m): Erosion ditch; (n): Erosion channel; (o): Plastic deformation slip line; (p): Imbricate etch figure;(q): Collision trace; (r): Scratch
Fig. 2. Micro-FTIR spectra of the diamonds with different surface morphology
(a): Triangular lamella 1(001)-a; (b): Shield sheet 17(024)-a; (c): Shield sheet 45(305)-a; (d): Serrated growth pattern 15(021)-a;(e): Peak cluster triangular hill 6(007)-b; (f): Spiral growth pattern 15(021)-b; (g): Inverted triangle pit 16(023)-c;(h): Hexagon pit 16(023)-b; (i): Hexagon pit 16(023)-a; (j): Quadrilateral pit 6(007)-a: (k): Halo 13(017)-a;(l): Drop mound 35(204)-b;(m): Melting pit 41(301)-a; (n): Slip line 18(025)-a; (o): Imbricate etch figure 3(004)-a;(p): Imbricate etch figure 35(204)-a; (q): Triangular conical hill 24(056)-a
Fig. 3. Conversion rate change curve of total nitrogen (a) and B-center nitrogen (b) in diamonds with different surface morphology
Fig. 4. Related concentration of sp3(C—H) (a) and its relationship with B-center nitrogen (b) in dianonds with different surface morphology
Fig. 5. Variation curve of FWHM mean value of Raman eigenpeak of diamonds with different surface morphology
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Zhi-jun YANG, Meng-ai MAO, Yi-cong HUANG, Jia-wei ZHANG. Study on the Surface Morphology and Its Vibrational Spectra of Diamond From the Western Yangtze Craton[J]. Spectroscopy and Spectral Analysis, 2022, 42(1): 236
Category: Research Articles
Received: Dec. 29, 2020
Accepted: --
Published Online: Mar. 31, 2022
The Author Email: Zhi-jun YANG (yangzhj@mail.sysu.edu.cn)