Magnetic-field effects on the pseudogap in CeRhAs

Shunsuke Yoshii, Koichi Kindo, Tetsuya Sasakawa, Toshiaki Suemitsu, Toshiro Takabatake

研究成果: Article査読

抄録

The electrical resistivity and magnetization M(H) of single crystal CeRhAs, which is the so-called Kondo insulator, have been measured in magnetic field up to 55 T. At 1.3 K, the slopes of M(H b) and M(H∥c) decrease at around 16 and 13 T, respectively, while M(H∥a) increases monotonously. The longitudinal magnetoresistances along the b- and c-axes show characteristic structures partly associated with the anomaly of M(H), while it along the a-axis shows only a broad maximum. The transverse magnetoresistances for I/:b follow Hγ (γ = 1.5-1.7). These observations suggest the existence of a narrow and anisotropic structure within the wide pseudogap.

本文言語English
ページ(範囲)568-569
ページ数2
ジャーナルPhysica B: Condensed Matter
329-333
II
DOI
出版ステータスPublished - 2003 5

ASJC Scopus subject areas

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

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