Electronic Band Structure and Fermi Surface of [Formula presented] Studied by Angle-Resolved Photoemission Spectroscopy

S. Souma, H. Komatsu, T. Takahashi, R. Kaji, T. Sasaki, Y. Yokoo, Jun Akimitsu

Research output: Contribution to journalArticle

Abstract

We report high-resolution angle-resolved photoemission spectroscopy (ARPES) on [Formula presented]. The band structure determined by ARPES shows a 1 eV energy gap at the [Formula presented] point between the valence and the conduction bands. We found a small electron pocket at the [Formula presented] point, whose carrier number is estimated to be [Formula presented], in good agreement with the Hall resistivity measurement with the same crystal. The experimental results are discussed in comparison with band structure calculations and theoretical models for the high-temperature ferromagnetism.

Original languageEnglish
Number of pages1
JournalPhysical Review Letters
Volume90
Issue number2
DOIs
Publication statusPublished - Jan 1 2003
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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