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Table 1
Peak frequencies of Raman D and G mode of C–N nanotubes at three different growth temperatures
Growth temperature (°C)	Peak frequency (cm⁻¹)
Growth temperature (°C)	D-mode	G-mode
850	1353.08	1578.36
900	1348.37	1573.28
950	1344.85	1569.32

Yadav et al. Nanoscale Research Letters 2008 4:197 doi:10.1186/1556-276X-4-197

Table 1