The complete Raman spectrum of nanometric SnO2 particles

DOI PDF 被引用文献12件
  • A. Diéguez
    Electronic Materials and Engineering, Department of Electronics, University of Barcelona, C/Martı́ Franqués, 1, E-08028 Barcelona, Spain
  • A. Romano-Rodrı́guez
    Electronic Materials and Engineering, Department of Electronics, University of Barcelona, C/Martı́ Franqués, 1, E-08028 Barcelona, Spain
  • A. Vilà
    Electronic Materials and Engineering, Department of Electronics, University of Barcelona, C/Martı́ Franqués, 1, E-08028 Barcelona, Spain
  • J. R. Morante
    Electronic Materials and Engineering, Department of Electronics, University of Barcelona, C/Martı́ Franqués, 1, E-08028 Barcelona, Spain

説明

<jats:p>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 nanoparticle size.</jats:p>

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