High-magnetic-field X-ray absorption spectroscopy of field-induced valence transition in YbInCu4

Y. H. Matsuda, T. Inami, K. Ohwada, Y. Murata, H. Nojiri, Y. Murakami, H. Ohta, W. Zhang, K. Yoshimura

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Abstract

The magnetic field-induced valence transition in YbInCu4 has been studied by X-ray absorption spectroscopy at the Yb LIII-edge up to 41 T. The field-induced valence transition is clearly observed as a significant change in the absorption spectra. Magnetic field dependences of Yb valence at low temperatures are directly determined for the first time. It is found that the valence above the metamagnetic transition recovers from Yb2.84+ to Yb2.96+ which is identical to that in the high-temperature phase. Variation of the valence is also obtained in the B-T (magnetic field-temperature) plane at 0 < B < 41 T and 5 < T < 50 K.

Original languageEnglish
Article number034702
Journaljournal of the physical society of japan
Volume76
Issue number3
DOIs
Publication statusPublished - 2007 Mar 1

Keywords

  • Pulsed magnetic field
  • Valence transition
  • X-ray absorption

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Matsuda, Y. H., Inami, T., Ohwada, K., Murata, Y., Nojiri, H., Murakami, Y., Ohta, H., Zhang, W., & Yoshimura, K. (2007). High-magnetic-field X-ray absorption spectroscopy of field-induced valence transition in YbInCu4. journal of the physical society of japan, 76(3), [034702]. https://doi.org/10.1143/JPSJ.76.034702