New-Type Phase Transition of Li_2RuO_3 with Honeycomb Structure(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
A new-type structural transition has been found in Li_2RuO_3 with a honeycomb lattice of edge-sharing RuO_6 octahedra. With decreasing temperature T, the electrical resistivity exhibits an anomalous increase at T = Tc 〜 540 K, suggesting the (metal-to-insulator)-like transition, and the magnetic susceptibility also shows a sharp decrease. Detailed structure analyses have revealed that the high-temperature space group C2/m changes to P2_1/m at T_c. The most striking fact is that a significant reduction of the bond lengths is found between two of the six Ru-Ru pairs of the hexagon in the low-temperature phase, indicating a new-type phase transition driven by the formation of the molecular orbits of these Ru-Ru pairs.
- 社団法人日本物理学会の論文
- 2007-03-15
著者
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Kindo K.
Research Center For Materials Science At Extreme Conditions Osaka University
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SATO Masatoshi
Department of Physics,Division of Material Science,Nagoya University
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Kindo K
Kyokugen Osaka University
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Kodama Katsuaki
Department Of Physics Division Of Material Science Nagoya University:crest Japan Science And Technol
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Kodama Katsuaki
Department Of Physics Division Of Material Science Nagoya University
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KAKURAI Kazuhisa
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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YASUI Yukio
Department of Physics, Division of Material Science, Nagoya University
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IGAWA Naoki
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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Igawa Naoki
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kakurai K
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kakurai Kazuhisa
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kakurai Kazuhisa
Neutron Scattering Laboratory Institute For Solid State Physics The University Of Tokyo
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MlURA Yoko
Department of Physics, Nagoya University
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Kindo Koichi
Faculty Of Science Osaka University
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Kitami Kiichiro
Graduate School Of Science Hokkaido University
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Yokoi M
Department Of Physics Division Of Material Science Nagoya University
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Miura Yoko
Department Of Physics Division Of Material Science Nagoya University
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Kuwahara Keitaro
Institute Of Applied Beam Science Ibaraki University
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YOSHIDA Yukihiro
Research Institute, Meijo University
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Yukio Yasui
Research Institute Meijo University
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Kakurai K
Japan Atomic Energy Agency
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Sato Masatoshi
Department Of Electrical And Electronics Engineering Sophia University
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Yoshida Yukihiro
Research Institute Meijo University
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Mlura Yoko
Department Of Physics Nagoya University
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Sato Masatoshi
Department Of Agro-environmental Science Obihiro University Of Agriculture And Veterinary Medicine
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Yasui Yukio
Department Of Physics Division Of Material Science Nagoya University
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Kakuta Kazuyuki
Department Of Physics Aoyama-gakuin University
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Miura Yoko
Department Of Infection Control And Prevention Aichi Medical University Graduate School Of Medicine
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