Anomalous Lattice Distortion in Pr-Substituted Double-Layered Perovskite Manganite La_<1.2>Sr_<1.8>Mn_2O_7 Single Crystals : Condensed Matter: Structure, etc.
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概要
- 論文の詳細を見る
Thermal expansion and magnetostriction both in the ab-plane and along the c-axis of double-layered perovskite manganite (La_1-_zPr_z)_<1.2>Sr_<l.8>Mn_2O_7 (z = 0 and 0.2) single crystals have been measured as a function of temperature and magnetic field. The magnitude and the sign of the lattice striction were strongly influenced by Pr substitution. A large magnetostriction was found to accompany the colossal magnetoresistance. The findings are attributed to the e_g-electron orbital degrees of freedom.
- 2000-05-15
著者
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Kobayashi Norio
Institute For Materials Research Tohoku University
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Suryanarayanan R.
南パリ大学
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松川 倫明
Department Of Materials Science And Technology Iwate University
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Suryanarayanan R.
パリ南大
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OGASAWARA Hiromitsu
Department of Materials Science and Technology, Iwate University
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MATSUKAWA Michiaki
Department of Materials Science and Technology, Iwate University
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HATAKEYAMA Sigeru
Department of Materials Science and Technology, Iwate University
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YOSHIZAWA Masahito
Department of Materials Science and Technology, Iwate University
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APOSTU M.
Laboraioire de Physico-Chimie de L'etat Solide, CNRS
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SURYANARAYANAN R.
Laboraioire de Physico-Chimie de L'etat Solide, CNRS
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DHALENNE G.
Laboraioire de Physico-Chimie de L'etat Solide, CNRS
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REVCOLEVSCHI A.
Laboraioire de Physico-Chimie de L'etat Solide, CNRS
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ITOH Kikuo
National Research Institute for Metals
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Dhalenne G.
南パリ大学
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Revcolevschi A
南パリ大
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Revcolevschi A.
Laboratoire De Physico-chimie De L'etat Solide Universite Paris Sud
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Suryanarayanan R.
Laboratoire De Physico-chimie De L'etat Solide Cnrs Umr 8648 Universite Paris-sud
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Apostu M.
Laboratoire De Physico-chimie De L'etat Solide Cnrs Umr 8648 Universite Paris-sud
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Itoh Kikuo
National Institute For Materials Science
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OGASAWARA Haruhiko
Institute for Solid State Physics, University of Tokyo
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Yoshizawa Masahito
Department Of Materials Science And Technology Iwate University
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Yoshizawa Masahito
Department Of Communication Engineering
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Ogasawara H
Spring-8:(present Address)school Of Physics And Physics Research Division Seoul National Universty
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Ogasawara Haruhiko
Institute For Solid State Physics University Of Tokyo
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Hatakeyama Sigeru
Department Of Materials Science And Technology Iwate University
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Matsukawa Michiaki
Department Of Energy Engineering Faculty Of Engineering Yokohama National University
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Ogasawara Hiromitsu
Department Of Materials Science And Technology Iwate University
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Revcolevschi A.
Univ. Paris‐sud
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Kobayashi Norio
Institute For Materials Recearch Tohoku University
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