Laboratory hard X-ray photoelectron spectroscopy of La1-xSrxMnO3

Tomoko Hishida, Masaaki Kobata, Eiji Ikenaga, Takeharu Sugiyama, Kazushige Ohbayashi, Keisuke Kobayashi, Mario Okawa, Tomohiko Saitoh

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2 Citations (Scopus)

Abstract

A laboratory hard X-ray photoelectron spectroscopy (HXPS) system equipped with a monochromatic Cr Kα (hν = 5414.7 eV) X-ray source was applied to an investigation of the core-level electronic structure of La1-xSrxMnO3. No appreciable high binding-energy shoulder in the O 1s HXPS spectra were observed while an enhanced low binding-energy shoulder structure in the Mn 2p3/2 HXPS spectra were observed, both of which are manifestation of high bulk sensitivity. Such high bulk sensitivity enabled us to track the Mn 2p3/2 shoulder structure in the full range of x, giving us a new insight into the binding-energy shift of the Mn 2p3/2 core level. Comparisons with the results using the conventional laboratory XPS (hν = 1486.6 eV) as well as those using a synchrotron radiation source (hν = 7939.9 eV) demonstrate that HXPS is a powerful and convenient tool to analyze the bulk electronic structure of a host of different compounds.

Original languageEnglish
Article number083201
JournalJapanese Journal of Applied Physics
Volume54
Issue number8
DOIs
Publication statusPublished - Aug 1 2015

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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    Hishida, T., Kobata, M., Ikenaga, E., Sugiyama, T., Ohbayashi, K., Kobayashi, K., Okawa, M., & Saitoh, T. (2015). Laboratory hard X-ray photoelectron spectroscopy of La1-xSrxMnO3. Japanese Journal of Applied Physics, 54(8), [083201]. https://doi.org/10.7567/JJAP.54.083201