Geoscience Reference
In-Depth Information
100
D-band
1350
G-band
1580
90
80
70
60
50
40
hds-57g
hds-56a
30
Gr
20
1100
1200
1300 1400
Raman shift (cm
−
1
)
1500
1600
1700
1800
Figure 10.13 Micro-Raman spectra of spherical (hds-56a) and ovoid-shaped (hds-57g)
aggregates of carbon particles compared with that of spec pure graphite (Gr).
100
D-band
1332
G-band
1590
95
90
85
80
75
70
65
60
55
50
45
hds-58
Dip
1100
1200
1300
1400
Raman shift (cm
−
1
)
1500
1600
1700
1800
Figure 10.14 Micro-Raman spectra of porous spherical particles (hds-58) compared with
that of the commercially available diamond powder (Dip).
