Impact of Raman Spectroscopy on Technologically Important Forms of Elemental Carbon

Spectra of carbon films that require a fit with 2 and 3 bands.

Raman Spectra of Carbon Films.

Pure carbon can occur in many forms reflected by the nearest neighbour bonds, and by midrange and long-range ordering of the solid. Different forms of carbon are being exploited in newly engineered applications. For example, diamond can be doped and used as the substrates for integrated circuits with properties superior to silicon, and hard carbon films are being used to coat computer discs.

Raman spectra have been shown to be uniquely diagnostic of the many forms of carbon, even when the material is present in small quantities or thin films.

The following discussion should provide an aid to the use of Raman spectroscopy for characterising carbons in the design, monitoring, and control of manufacturing processes.

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Impact of Raman Spectroscopy On Technologically Important Forms of Elemental Carbon
DescriptionThe Raman spectra of the various forms of elemental carbon are very sensitive to the type of nearest neighbour bonding, and to intermediate and long range order. In many cases Raman spectroscopy is the technique of choice for characterization of carbon materials. Correlation of Raman spectral features with tribological properties can facilitate the deposition of carbon films.
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