Orbital and Charge Ordering in La1-xSr1+xMnO4(0.4〓x〓0.5)
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- Wakabayashi Yusuke
- Department of Physics, Faculty of Science and Technology, Keio University, Yokohama 223-8522 Photon Factory, Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801
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- Murakami Youichi
- Photon Factory, Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801 Core Research for Evolutional Science and Technology (CREST), Tsukuba 305-0047
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- Moritomo Yutaka
- Center for Integrated Research in Science and Engineering (CIRSE), Nagoya University, Nagoya 464-8601
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- Koyama Ichiro
- Photon Factory, Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801
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- Nakao Hironori
- Photon Factory, Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801
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- Kiyama Takashi
- Photon Factory, Institute of Materials Structure Science, High-Energy Accelerator Research Organization, Tsukuba 305-0801
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- Kimura Tsuyoshi
- Joint Research Center for Atom Technology (JRCAT), Tsukuba 305-0046
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- Tokura Yoshinori
- Joint Research Center for Atom Technology (JRCAT), Tsukuba 305-0046 Department of Applied Physics, University of Tokyo, Tokyo 113-8656
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- Wakabayashi Nobuyoshi
- Department of Physics, Faculty of Science and Technology, Keio University, Yokohama 223-8522
書誌事項
- タイトル別名
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- Orbital and Charge Ordering in La1-xSr1+xMnO4(0.4.LEQ.x.LEQ.0.5).
- Orbital and Charge Ordering in La1 xSr1 xMnO4 0 4 x 0 5
- Orbital and Charge Ordering in La<sub>1-<i>x</i></sub>Sr<sub>1+<i>x</i></sub>MnO<sub>4</sub>(0.4≤<i>x</i>≤0.5)
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抄録
Hole concentration dependence of charge order (CO) and orbital order (OO) in layered perovskite compounds La1-xSr1+xMnO4 has been studied by means of the resonant X-ray scattering technique. Both CO and OO are observed below 210 K in the compounds having the hole concentration x between 0.5 and 0.48, but neither is observed for x≤0.46. The transition temperatures are nearly independent of x between 0.5 and 0.48. Correlation lengths ξ's for both orders obtained from analyses of superlattice peak profiles are finite at any temperature. Moreover, in contrast to the cubic perovskite, ξ for OO is larger than that for CO. ξ for OO is as short as that for CO at the critical concentration of x=0.48. These results suggest that OO is prerequisite to the forming of CO in this system.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 70 (5), 1194-1197, 2001
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204184461568
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- NII論文ID
- 110001971972
- 210000103028
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2001JPSJ...70.1194W
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 5788540
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可