Thermal Conductivity of the Two-Dimensional Spin-Gap System SrCu_2(BO_3)_2 in Magnetic Fields : Condensed Matter: Structure, etc.

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概要

• 論文の詳細を見る

• We have measured the thermal conductivity of the two-dimensional spin-gap system SrCu_2(BO_3)_2 single crystal in magnetic fields up to 14T. In zero field, both the in-plane and out-of-plane thermal conductivities exhibit anomalous enhancement at low temperatures below ~11 K. The enhancement is suppressed with increasing magnetic field. The enhancement in zero field is attributed to the increase of the thermal conductivity due to phonons, which is caused by the suppression of the phonon-magnon scattering owing to the spin-gap formation. The suppression of the enhancement by the application of magnetic field is explained by the reduction of the spin gap.

• 社団法人日本物理学会の論文
• 2001-06-15

著者

• Kobayashi Norio

  Institute For Materials Research Tohoku University

• KOIKE Yoji

  Department of Applied Physics, Graduate School of Engineering, Tohoku University

• 小島 憲道

  東大総合文化

• 佐藤 知矢

  Department Of Physics Faculty Of Science Shinshu University

• NOJI Takashi

  Department of Applied Physics, Tohoku University

• KUDO Kazutaka

  Institute for Materials Research, Tohoku University

• Koike Yoji

  Department Applied Physics Graduate School Of Engineering Tohoku University

• Noji Takashi

  Department Of Applied Physics Faculty Of Engineering Tohoku University

• Kudo K

  Institute For Materials Research Tohoku University

• Kudo Kazutaka

  Department Of Applied Physics Graduate School Of Engineering Tohoku University

• NISHIZAKI Terukazu

  Institute for Materials Research, Tohoku University

• Noto K

  Institute For Materials Research Tohoku University

• Kobayashi N

  Institute For Materials Research Tohoku University Katahira

• Nishizaki Terukazu

  Institute For Materials Research Tohoku University

• Nojima T

  Institute For Materials Research Tohoku University

• Kobayashi Norio

  Institute For Materials Recearch Tohoku University

• Kobayashi Norio

  Faculty Of Engineering Iwate University

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