Directional Ordering and Collective Fluctuation of Orbital in a Colossal Magnetoresistive Manganite : Condensed Matter: Electronic Properties, etc.
スポンサーリンク
概要
- 論文の詳細を見る
Raman scattering spectra have been investigated for a single crystal of Sm_<1-x>Sr_xMnO_3 (x = 0.45) showing prototypical colossal magnetoresistance (CMR). The emergence of broad phonon bands above the Curie temperature T_c is ascribed to dynamical charge/orbital ordering coupled with local lattice distortion, while concomitant anisotropic diffuse scattering to directional ordering of orbital. The temperature-dependent Raman spectral features can be closely correlated with the resistive and magnetic anomalies as well as the X-ray diffuse scattering peak around T_c of this compound, verifying an important role of the orbital correlation in the CMR.
- 社団法人日本物理学会の論文
- 2000-08-15
著者
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TOKURA Yoshinori
Department of Applied Physics, University of Tokyo
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Tokura Yoshinori
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Kimura Tsuyoshi
Department of cardiovascular medicine, School of Medicine, Kyoto University
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Tokura Yoshinori
Department Of Applied Physics University Of Tokyo:joint Research Center For Atom Technology (jrcat)
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Tomioka Yasuhide
Joint Research Center For Atom Technology (jrcat)
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SAITOH Eiji
Department of Applied Physics, University of Tokyo
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Saitoh Eiji
Department Of Applied Physics University Of Tokyo
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Kimura Tsuyoshi
Department Of Applied Chemistry University Of Tokyo
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Tokura Yoshinori
Department Of Applied Physics And Quantum Phase Electronics Center University Of Tokyo
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