Raman scattering study on fractal structures in YSZ

H. Yugami, S. Matsuo, M. Ishigame

研究成果: Article

6 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)1264-1268
ページ数5
ジャーナルSolid State Ionics
53-56
PART 2
DOI
出版ステータスPublished - 1992 1 1
外部発表はい

ASJC Scopus subject areas

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

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