Hybridization gap in Kondo insulators CeRhSb and CeRhAs studied by ultrahigh-resolution photoemission spectroscopy

H. Kumigashira, T. Takahashi, Shunsuke Yoshii, M. Kasaya

研究成果: Conference article › 査読

3 被引用数 (Scopus)

抄録

Ultrahigh-resolution photoemission spectroscopy (ΔE∼8 meV) has been performed on Kondo insulators CeRhAs and CeRhSb. We found that the 4f-derived density of states shows a depletion (pseudogap) at EF in contrast to metallic Kondo materials. It was also found that the size of both 4f-derived and conduction-electron derived pseudogaps scales well with the Kondo temperature.

本文言語English
ページ（範囲）208-209
ページ数2
ジャーナルPhysica B: Condensed Matter
巻312-313
DOI
出版ステータスPublished - 2002 3 1
イベントInternational Conference on Strongly Correlated Electrons - Ann Arbor, MI, United States
継続期間: 2002 8 6 → 2002 8 6

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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