Journal article
Optical properties of highly reduced SrTiO3-x
Abstract
The reflectance of highly reduced SrTiO3-x has been studied in samples where the carrier concentration—or oxygen-vacancy density — varies from about 1018 to 1021 cm-3. Several phonon modes are strongly influenced by oxygen-vacancy density. Oxygen reduction induces a mid-infrared band whose oscillator strength scales with carrier density. In highly reduced samples, a weakly localized plasmon mode develops.
Authors
Crandles DA; Nicholas B; Dreher C; Homes CC; McConnell AW; Clayman BP; Gong WH; Greedan JE
Journal
Physical Review B, Vol. 59, No. 20, pp. 12842–12846
Publisher
American Physical Society (APS)
Publication Date
May 15, 1999
DOI
10.1103/physrevb.59.12842
ISSN
2469-9950