Infrared reflection spectra of the one-dimensional ionic conductor K- and RbAl priderites

T. Ohsaka, Y. Shibata, K. Ishi, S. Takahashi, M. Ishii, Y. Fujiki

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The reflection spectra of the one-dimensional ionic conductors K1.6Al1.6Ti6.4O16 and Rb1.49Al1.65Ti6.35O15.92 have been measured for the polarizations E ∥ c (channel direction) and E {norm of matrix} c in the frequency region 60-2000 cm-1. The spectra of these two compounds are very similar with their features and have the same number of bands. The vibrational mode frequencies are obtained from a Kramers-Kronig analysis for each polarized reflectivity spectrum. A comparison of the corresponding mode frequencies for both priderites shows that only the lowest frequency mode observed in the E {norm of matrix} c spectra is strongly associated with the alkali ion, while the others are not. The effect due to the non-stoichiometry is not found in the infrared reflection spectra.

Original languageEnglish
Pages (from-to)1119-1121
Number of pages3
JournalSolid State Communications
Volume55
Issue number12
DOIs
Publication statusPublished - 1985 Sep

ASJC Scopus subject areas

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

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