New ordered phases of slightly reduced rutile and their sharp dielectric absorptions at low temperature

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Abstract

The temperature dependence of the complex dielectric constant of single-crystal rutile has been studied at different frequencies and as a function of reduction. The results suggest the existence of two new ordered phases in slightly reduced rutile. Sharp dielectric absorptions have been observed in these phases. This is attributed to the hopping of low-mobility charge carriers between two ion sites. The nature of the charge carriers introduced by reduction is discussed. It is proposed that the room-temperature conductivity alone may not characterize the state of a slightly reduced rutile sample.

Original languageEnglish
Pages (from-to)4700-4708
Number of pages9
JournalPhysical Review B
Volume1
Issue number12
DOIs
Publication statusPublished - 1970

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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