The complete Raman spectrum of nanometric particles

A Dieguez, A Romano-Rodrıguez, A Vila… - Journal of Applied …, 2001 - pubs.aip.org
The complete Raman spectrum of SnO 2 nanoparticles in presented and analyzed. In
addition to the “classical” modes observed in the rutile structure, two other regions shown
Raman activity for nanoparticles. The Raman bands in the low-frequency region are
attributed to acoustic modes associated with the vibration of the individual nanoparticle as a
whole. The high-frequency region is activated by surface disorder. A detailed analysis of
these regions and the changes in the normal modes of SnO 2 are presented as a function …

The complete Raman spectrum of nanometric SnO2 particles

À Diéguez Barrientos, A Romano Rodríguez… - Journal of Applied …, 2001 - diposit.ub.edu
The complete Raman spectrum of SnO2 nanoparticles in presented and analyzed. In
addition to the" classical" modes observed in the rutile structure, two other regions shown
Raman activity for nanoparticles. The Raman bands in the low-frequency region are
attributed to acoustic modes associated with the vibration of the individual nanoparticle as a
whole. The high-frequency region is activated by surface disorder. A detailed analysis of
these regions and the changes in the normal modes of SnO2 are presented as a function …
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