X-ray Irradiation-Induced Carrier Doping Effects in Organic Dimer-Mott Insulators(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• We report X-ray irradiation-induced carrier doping effects on the electrical conductivity in the organic dimer-Mott insulators κ-(ET)_2X with X = Cu[N(CN)_2]Cl and Cu_2(CN)_3. For κ-(ET)_2Cu[N(CN)_2]Cl, we have observed a large decrease of the resistivity by 40% with the irradiation at 300K and the metal-like temperature dependence down to about 50K. The irradiation-induced defects expected at the donor molecule sites might cause a local imbalance of the charge transfer in the crystal. Such molecular defects result in the effective doping of carriers into the half-filled dimer-Mott insulators.

• 社団法人日本物理学会の論文
• 2007-12-15

著者

• Kobayashi Norio

  Institute For Materials Research Tohoku University

• Sasaki Takahiko

  Institute for Materials Research, Tohoku University

• 小島 憲道

  東大総合文化

• 黒田 規敬

  熊本大学大学院

• 小林 長夫

  東北大学大学院理学研究科

• 佐藤 知矢

  Department Of Physics Faculty Of Science Shinshu University

• Kobayashi N

  Institute For Materials Research Tohoku University

• Takasaki S

  Himeji Inst. Technol. Kamigohri

• Sasaki Takahiko

  Department Of Material Science Himeji Institute Of Technology

• Sasaki T

  Center For Geo-environmental Science Faculty Of Engineering And Resource Science Akita University

• Toyota Naoki

  Tohoku Univ. Sendai

• Toyota Naoki

  Department Of Physics Graduate School Of Science Tohoku University

• Sasaki T

  Division Of Materials Physics Department Of Physical Science Graduate School Of Engineering Science

• Kuroda Noritaka

  Discovery Research Laboratories V Discovery Research Division Takeda Chemical Industries Ltd.

• Noto K

  Institute For Materials Research Tohoku University

• Kojima N

  Graduate School Of Arts And Sciences University Of Tokyo

• Kobayashi N

  Tohoku Univ. Sendai Jpn

• Sasaoka T

  Hitachi Cable Ltd. Ibaraki

• Kobayashi N

  Institute For Materials Research Tohoku University Katahira

• YONEYAMA Naoki

  Institute for Materials Research, Tohoku University

• OIZUMI Hajime

  Institute for Materials Research, Tohoku University

• Sasaki Takanori

  Department Of Applied Physics Tohoku University

• Sasaki Takatomo

  Institute Of Laser Engineering Department Of Electrical Engineering Osaka University

• KOBAYASHI Norio

  The Research Institute for Iron,Steel and Other Metals,Tohoku University

• Takasaki Satoshi

  Department Of Material Science Faculty Of Science Himeji Institute Of Technology

• Sasaki Takahiko

  Institute For Materials Research Tohoku University

• Toyota Naoki

  Department Of Pediatrics Kurashiki Central Hospital

• Oizumi Hajime

  Institute For Materials Research Tohoku University

• Yoneyama Naoki

  Institute For Materials Research Tohoku University

• Yoneyama Naoki

  Department Of Chemistry Graduate School Of Science And Technology Tokyo Institute Of Technology

• Kuroda N

  Nec Corp. Ibaraki Jpn

• Kobayashi Norio

  Institute For Materials Research Tohoku Univ.

• Kobayashi Norio

  Institute For Materials Recearch Tohoku University

• Kobayashi Norio

  Faculty Of Engineering Iwate University

• Sasaki Tetsuya

  Institute for Materials Research, Tohoku University

• Sasaki Takahiko

  Institute for Materials Reseach, Tohoku University, 2-1-1 Katahira-cho, Aoba-ku, Sendai 980-8577, Japan

• 小島 憲道

  東大院総合

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