37114.5 Characterization of metal oxide nanopowder
2. The mid region 4000400/cm – is used to study the fundamental vibrations
and its associated vibrations for rotational spectroscopy (used for chemical
analysis).
3. The far infra red 40010/cm – lying adjacent to the microwave region has
low energy used for rotational spectroscopy.
Each molecule has specic frequencies at which they rotate or vibrate at their
matching energy levels. The resonant frequencies are determined by the shape of the
molecular potential surface energies, the mass of the atom and vibronic coupling.
The infrared spectrum is obtained by passing the infrared light through ...
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