Raman scattering study on fractal structures in YSZ

H. Yugami, S. Matsuo, M. Ishigame

研究成果: Article

6 引用 (Scopus)


Low-frequency Raman scattering spectra in yttria-stabilized zirconia (YSZ) were measured on several samples with different compositions. It is found that the frequency dependence of the Raman intensity can be represented by two straight lines with different slopes on a log-log scale. Since the slope in the lower-frequency region obeys a ω4 law, the region below the crossover frequency ωco is assigned to the "phonon region". On the other hand, Raman spectra above ωco cannot be explained by a Debye model, but can be interpreted in terms of a fracton model. The fractal and fracton dimensionalities are estimated in this system.

ジャーナルSolid State Ionics
発行部数PART 2
出版物ステータスPublished - 1992 1 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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