Electronic structure and magnetism in valence-control La1-xSrxCoO3

T. Saitoh, Takashi Mizokawa, A. Fujimori, Y. Takeda, M. Takano

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The electronic structure of La1-xSrxCoO3 has been studied by photoemission and x-ray absorption spectroscopy. The valence-band spectra for LaCoO3 show features characteristic of the low-spin state. The spectra systematically change with x, showing a gradual transition from the low-spin to high-spin states. The difference between the on- and off-resonant photoemission spectra shows small but detectable changes, corresponding to the magnetic transition. The absence of significant changes with temperature in the valence-band spectra of La0.6Sr0.4CoO3 clearly demonstrates a distinction between the Co and Mn perovskites.

Original languageEnglish
Pages (from-to)195-198
Number of pages4
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume78
Publication statusPublished - 1996 May
Externally publishedYes

Fingerprint

Magnetism
Photoemission
Valence bands
Electronic structure
electronic structure
valence
Absorption spectroscopy
photoelectric emission
X rays
perovskites
x ray absorption
x ray spectroscopy
absorption spectroscopy
Temperature
temperature

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

Electronic structure and magnetism in valence-control La1-xSrxCoO3. / Saitoh, T.; Mizokawa, Takashi; Fujimori, A.; Takeda, Y.; Takano, M.

In: Journal of Electron Spectroscopy and Related Phenomena, Vol. 78, 05.1996, p. 195-198.

Research output: Contribution to journalArticle

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AB - The electronic structure of La1-xSrxCoO3 has been studied by photoemission and x-ray absorption spectroscopy. The valence-band spectra for LaCoO3 show features characteristic of the low-spin state. The spectra systematically change with x, showing a gradual transition from the low-spin to high-spin states. The difference between the on- and off-resonant photoemission spectra shows small but detectable changes, corresponding to the magnetic transition. The absence of significant changes with temperature in the valence-band spectra of La0.6Sr0.4CoO3 clearly demonstrates a distinction between the Co and Mn perovskites.

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