Two Types of Multistack Structures in MgB_2-Type Superconductor CaAlSi(Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
スポンサーリンク
概要
- 論文の詳細を見る
Crystal structure analysis of an AlB_2-type superconductor, CaAlSi, has been carried out using synchrotron X-rays and neutron diffraction measurements. Two different stackings along the c-axis-5-fold and 6-fold structures-with different values of T_c 6.0 and 8.2K, respectively, are confirmed. Our results show that Al and Si atoms are ordered alternately in honeycomb layers, and Ca atoms are intercalated at regular intervals between the (Al, Si) layers in both the structures. The 5-fold and 6-fold structures are determined by the arrangement of Al and Si along the c-axis. The relation between T_c and the structure is discussed based on our structural analysis.
- 社団法人日本物理学会の論文
- 2006-04-15
著者
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神山 崇
KEK-物構研
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WAKABAYASHI Yusuke
Institute of Materials Structure Science, High Energy Accelerator Research Organization
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SAWA Hiroshi
Institute of Materials Structure Science, High Energy Accelerator Research Organization
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Harjo Stefanus
Neutron Science Research Center Jaeri
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KAMIYAMA Takashi
Institute for Material Research,Tohoku University
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SAGAYAMA Hajime
Institute of Materials Structure Science, High Energy Accelerator Research Organization
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HOSHIKAWA Akinori
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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HARJO Stefanus
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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UOZATO Kentaro
Department of Applied Physics, The University of Tokyo
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GHOSH Ajay
Department of Applied Physics, The University of Tokyo
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TOKUNAGA Masashi
Department of Applied Physics, The University of Tokyo
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TAMEGAI Tsuyoshi
Department of Applied Physics, The University of Tokyo
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Ghosh Ajay
Department Of Applied Optics And Photonics University Of Calcutta
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Ghosh Ajay
Department Of Applied Physics The University Of Tokyo
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Uozato Kentaro
Department Of Applied Physics The University Of Tokyo
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Tokunaga Masashi
Department Of Applied Physics The University Of Tokyo
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Sawa Hiroshi
Institute Of Materials Structure Science High Energy Accelerator Research Organization
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Wakabayashi Yusuke
Institute Of Materials Structure Science High Energy Accelerator Research Organization
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Hoshikawa Akinori
Neutron Science Research Center Jaeri
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Sagayama Hajime
Institute Of Materials Structure Science High Energy Accelerator Research Organization
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Tamegai Tsuyoshi
Department Of Applied Physics The University Of Tokyo
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Kamiyama Takashi
Instiiute Of Materials Science University Of Tsukuba
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Kamiyama Takashi
Institute Of Materials Science The University Of Tsukuba
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Kamiyama Takashi
Department Of Chemistry Faculty Of Science Hokkaido University : Department Of Nuclear Engineering F
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Harjo Stefanus
High Energy Accelerator Research Organization (kek)
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Sawa Hiroshi
Institute For Solid State Physics University Of Tokyo
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Kin Tadahiro
Nuclear Sci. And Engineering Directorate Japan Atomic Energy Agency
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KAMIYAMA Takashi
Institute of Materials Structure Science, High Energy Accelerator Research Organization
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