Evolution from non-Fermi- to Fermi-liquid transport via isovalent doping in BaFe2(As1-xPx)2 superconductors

S. Kasahara, T. Shibauchi, K. Hashimoto, K. Ikada, S. Tonegawa, R. Okazaki, H. Shishido, H. Ikeda, H. Takeya, K. Hirata, T. Terashima, Y. Matsuda

研究成果: Article査読

410 被引用数 (Scopus)

抄録

The normal-state charge transport is studied systematically in high-quality single crystals of BaFe2(As1-xPx)2 (0≤x≤0.71). By substituting isovalent P for As, the spin-density-wave (SDW) state is suppressed and the dome-shaped superconducting phase (T c≲31 K) appears. Near the SDW end point (x≈0.3), we observe striking linear temperature (T) dependence of resistivity in a wide T range, and remarkable low- T enhancement of Hall-coefficient magnitude from the carrier number estimates. We also find that the magnetoresistance apparently violates the Kohler's rule and is well scaled by the Hall angle ΘH as Δ ρxxxx αtan2 ΘH. These non-Fermi-liquid transport anomalies cannot be attributed to the simple multiband effects. These results capture universal features of correlated electron systems in the presence of strong antiferromagnetic fluctuations.

本文言語English
論文番号184519
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
81
18
DOI
出版ステータスPublished - 2010 5 19

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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「Evolution from non-Fermi- to Fermi-liquid transport via isovalent doping in BaFe<sub>2</sub>(As<sub>1-x</sub>P<sub>x</sub>)<sub>2</sub> superconductors」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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