Sm valence states and magnetic properties in SmBe13 and SmTi2Al20 investigated by Sm synchrotron-radiation-based Mössbauer spectroscopy

Satoshi Tsutsui, Yoshio Kobayashi, Jin Nakamura, Michael K. Kubo, Shota Amagasa, Yasuhiro Yamada, Yoshitaka Yoda, Yusei Shimizu, Hiroyuki Hidaka, Tatsuya Yanagisawa, Hiroshi Amitsuka, Akira Yamada, Ryuji Higashinaka, Tatsuma D. Matsuda, Yuji Aoki

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Synchrotron-Radiation-based 149Sm Mössbauer spectroscopy was applied to Sm intermetallics, SmBe13 and SmTi2Al20. Temperature dependence of the Mössbauer parameters in SmBe13 indicate the Sm valence state is purely trivalent. SmBe13 also showed second-order Doppler shift in synchrotron-radiation-based 149Sm Mössbauer spectroscopy. The Mössbauer parameters obtained in SmTi2Al20 suggest that the Sm valence is fluctuating and the magnitude of the magnetic moment is reduced by hybridization between 4f and conduction electrons and/or effect of crystal electric field.

Original languageEnglish
Article number100
JournalHyperfine Interactions
Volume238
Issue number1
DOIs
Publication statusPublished - 2017 Nov 1

Keywords

  • Hyperfine interaction
  • Magnetism
  • Sm intermetallic compounds
  • Synchrotron-radiation-based Mössbauer spectroscopy
  • Valence fluctuation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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  • Cite this

    Tsutsui, S., Kobayashi, Y., Nakamura, J., Kubo, M. K., Amagasa, S., Yamada, Y., Yoda, Y., Shimizu, Y., Hidaka, H., Yanagisawa, T., Amitsuka, H., Yamada, A., Higashinaka, R., Matsuda, T. D., & Aoki, Y. (2017). Sm valence states and magnetic properties in SmBe13 and SmTi2Al20 investigated by Sm synchrotron-radiation-based Mössbauer spectroscopy. Hyperfine Interactions, 238(1), [100]. https://doi.org/10.1007/s10751-017-1473-z