Hall effect in the organic conductor -(BEDT-TTF)2KHg(SCN)4, where BEDT-TTF is bis(ethylenedithio)tetrathiafulvalene

T. Sasaki, S. Endo, N. Toyota

研究成果: Article査読

32 被引用数 (Scopus)

抄録

Hall-effect measurements below 20 K and up to 23 T on single crystals of the organic conductor -(BEDT-TTF)2KHg(SCN)4 are reported. The sign of the Hall coefficient RH is positive in the whole temperature range, indicating a hole carrier. RH obtained from the H-linear dependence of the Hall resistance Rxy steeply increases below 10 K and saturates around 4 K. This increase in RH coincides with anomalies observed in the static magnetic susceptibility and the electrical resistance at about 10 K. This finding suggests a reconstruction of the Fermi surface associated with the spin-density-wave (SDW) gap formation in this magnetic-phase transition. The high-field Rxy above about 10 T at 4.2 K deviates from the H-linear dependence, suggesting that the SDW formation might change with fields.

本文言語English
ページ(範囲)1928-1931
ページ数4
ジャーナルPhysical Review B
48
3
DOI
出版ステータスPublished - 1993

ASJC Scopus subject areas

  • 凝縮系物理学

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