Photoemission and Bremsstrahlung Isochromat Spectroscopy Studies of Ti02 (Rutile) and SrTi03

Yasuhisa Tezuka; Shik Shin; Takehiko Ishii; Takeo Ejima; Shoji Suzuki; Shigeru Sato

doi:10.1143/JPSJ.63.347

Photoemission and Bremsstrahlung Isochromat Spectroscopy Studies of Ti02 (Rutile) and SrTi03

Yasuhisa Tezuka, Shik Shin, Takehiko Ishii, Takeo Ejima, Shoji Suzuki, Shigeru Sato

Center for Advanced Microscopy and Spectroscopy

Research output: Contribution to journal › Article › peer-review

134 Citations (Scopus)

Abstract

Photoemission and bremsstrahlung isochromat spectra have been measured on TiO₂ (rutile) and SrTiO₃. The magnitudes of the fundamental band gaps estimated from the combined spectra agree well with the results of the photoabsorption and the energy-band calculations. The profiles of the observed spectra do not reveal the fine structure expected to occur in the density-of-states curves obtained by the energy band calculations, suggesting the existence of a mechanism to smear out the fine structure considerably. The combined spectra are used to interpret the charge-transfer-type satellite manifest in the core-level spectra. For 3s photoemission, satellite features ascribed to the configuration interaction between the 3s3p⁶ and 3s²3p⁴3dstates in the atomic notation are also observed.

Original language	English
Pages (from-to)	347-357
Number of pages	11
Journal	journal of the physical society of japan
Volume	63
Issue number	1
DOIs	https://doi.org/10.1143/JPSJ.63.347
Publication status	Published - 1994 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "Photoemission and bremsstrahlung isochromat spectra have been measured on TiO2 (rutile) and SrTiO3. The magnitudes of the fundamental band gaps estimated from the combined spectra agree well with the results of the photoabsorption and the energy-band calculations. The profiles of the observed spectra do not reveal the fine structure expected to occur in the density-of-states curves obtained by the energy band calculations, suggesting the existence of a mechanism to smear out the fine structure considerably. The combined spectra are used to interpret the charge-transfer-type satellite manifest in the core-level spectra. For 3s photoemission, satellite features ascribed to the configuration interaction between the 3s3p6 and 3s23p43dstates in the atomic notation are also observed.",

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AU - Tezuka, Yasuhisa

AU - Shin, Shik

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AU - Ejima, Takeo

AU - Suzuki, Shoji

AU - Sato, Shigeru

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