Electron microscopy
  
Raman Spectrum of Carbon
- Practical Electron Microscopy and Database -
- An Online Book -
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Table 3145. Typical Raman peaks from carbon.

Peak (cm-1)

Structure
Note

~1,140

Small cubic diamond particles Occasionally observed in diamond films with very small grain size (<0.1 µm)

1,315 - 1,326

 Hexagonal diamond Broad band, observed in shock-wave produced diamond

1,332

 Cubic diamond First order peak with FWHM of 1.9 cm-1 for natural diamond

1,345

 Amorphous carbon Broad band; becomes a shoulder of the 1,550 cm-1 band when the carbon is hydrogenated.

1,355

 Micro-crystalline graphite Observed in graphite with small grain sizes

1,550

 Amorphous or diamond-like carbon Broad band

1,580

Graphite First order peak

2,458

Cubic diamond Second order peak

2,710

Micro-crystalline graphite Second order peak

3,240

Graphite Second order peak

 

 

 
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