Structure of Carbonic Layer in Ohmic Contacts: Comparison of Silicon Carbide/Carbon and Carbon/Silicide Interfaces
Table 2
Summary of results obtained in the case of bottom excitation. The range of Raman shift which was taken into account spreads from 1300 cm−1 to 1880 cm−1.
nsc1_2
nsc1_3
nsc1_1
Assignment
Max. (cm−1)
FWHM (cm−1)
Norm. Int.
Max. (cm−1)
FWHM (cm−1)
Norm. Int.
Max. (cm−1)
FWHM (cm−1)
Norm. Int.
1319.2
32.1
0.22
Cubic diamond-like structures
1393.5
96.6
0.23
1397.0
88.0
0.20
1378.2
104.0
0.19
-band
1525.3
58.8
1.00
1537.1
66.4
1.00
1517.5
39.2
1.00
-C
1566.2
9.3
0.20
-band, carbon nanotubes
1580.0
33.0
0.79
-band, graphite
1601.7
56.7
0.60
-band, nanocrystalline graphite
1610.3
47.7
1.17
Combination of G-band and -band (C=C vibrational modes)
