Surface structures of cerium oxide nanocrystalline particles from the size dependence of the lattice parameters

S. Tsunekawa, S. Ito, Y. Kawazoe

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Cerium oxide nanocrystalline particles are synthesized and monodispersed in the size range from 2 to 8 nm in diameter. The dependence of the lattice parameters on particle size is obtained by x-ray and electron diffraction analyses. The size dependence well coincides with the estimation based on the assumption that the surface is composed of one layer of Ce2O 3 and the inside consists of CeO2. The effect of particle size on lattice parameters is discussed from the differences in the fabrication method and the surface structure.

Original languageEnglish
Pages (from-to)3845-3847
Number of pages3
JournalApplied Physics Letters
Volume85
Issue number17
DOIs
Publication statusPublished - 2004 Oct 25

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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