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High-resolution photoemission study of CeRhX (XSn, In)

✍ Scribed by K. Shimada; H. Namatame; M. Taniguchi; M. Higashiguchi; S.-I. Fujimori; Y. Saitoh; A. Fujimori; M.S. Kim; D. Hirata; T. Takabatake

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
274 KB
Volume
378-380
Category
Article
ISSN
0921-4526

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✦ Synopsis

The Ce 4f-derived states in CeRhX (XΒΌSn and In) were directly examined by means of high-resolution 3d-4f resonance photoemission spectroscopy. Compared with the Kondo metal CePtSn, which has a low Kondo temperature, CeRhX has a strong Ce 4f 1 weight near the Fermi level (E F ) and has a weak Ce 4f 0 peak, indicating a strong valence fluctuation. The Ce 4f 1 spectral features indicate that the c-f hybridization strength in CeRhSn is weaker than that in CeRhIn.

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✍ Kojiro Mimura; Yoko Watanabe; Hiroyuki Mizohata; Kouichi Ichikawa; Yukihiro Tagu πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 212 KB

Ce 4f states in CeSi have been investigated by Ce 3d-4f and 4d-4f resonant photoemission spectroscopies. The two obtained Ce 4f spectra exhibit a peak at 1.0 eV besides the structures due to 4f 1 and 4f 0 final states which have been observed in the 4f spectra of conventional Ce compounds. We have a