ESR-Spectroscopic Properties of Carbon Nanotubes

Electron spin resonance (ESR), which is also termed as electron paramagnetic resonance (EPR), is another spectroscopic method to provide valuable information about the electronic structure of carbon nanotubes. 

The spectrum is a plot of the absorption intensity over the magnetic field strength. Both the g-value of the sample and the shape of the signals are employed for the interpretation of results. The ability of the appHed magnetic field to induce local currents in the sample varies. Depending on the extent of this induction, the g-value actually measured deviates more or less from ge = 2.0023, the value for a free electron. MetaUic conductors accordingly feature the largest deviations from ge- 

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