Influence of Quasi-Bi-Stripe Charge Order on Resistivity and Magnetism in the Bilayer Manganite La_<2-2x>Sr_<1+2x>Mn_2O_7 : Condensed Matter: Electronic Properties, etc.

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概要

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• Charge ordering in the bilayer manganite system La_<2-2x>Sr_<1+2x>Mn_2O_7 with 0.30 ⪇ x ⪇ 0.50 is studied by neutron diffraction. The charge order is characterized by the propagation vector parallel to the [100] direction (MnO_2 direction), but the correlation length is short-ranged and extremely anisotropic, being 〜0.02a^* and 〜0.2a^* parallel and perpendicular to the modulation direction, respectively. The observed charge order can be viewed as a quasi-bistripe order, and accounts well for the x dependence of the resistivity. The quasi-bistripe order is stable within the ferromagnetic (FM) MnO_2 layers in the A-type antiferromagnetic order, but is destabilized by the three dimensional FM order.

• 社団法人日本物理学会の論文
• 2000-07-15

著者

• 遠藤 康夫

  高エ研

• Yoshizawa Hideki

  Brookhavcn National Laboratory Upion:institute For Solid State Physics The University Of Tokyo

• MORITOMO Yutaka

  Center for Integrated Research in Science and Engineering (CIRSE), Nagoya University

• Oohara Yasuaki

  Laboratoire Leon Brillouin Cea-cnrs Cea

• Oohara Yasuaki

  Neutron Science Laboratory Institute For Solid State Physics University Of Tokyo

• Oohara Yasuaki

  Neutron Scattering Laboratory Institute For Solid State Physics University Of Tokyo

• Fujioka H

  Institute For Solid State Physics University Of Tokyo

• Yoshizawa H

  Univ. Tokyo Ibaraki

• Yoshizawa H

  Dept. Of Biology Matsumoto Dental College

• ENDOH Yasuo

  Institute for Materials Research, Tohoku University

• Endoh Yasuo

  Core Research For Evolutional Science And Technology (jrcat) : Department Of Physics Tohoku Universi

• Endoh Yasuo

  Physics Department Granduate School Of Science Tohoku University

• Yoshizawa Hideki

  Neutron Scattering Laboratory, Institute for Solid State Physics, University of Tokyo

• Ando Yuji

  Department Of Applied Physics The University Of Tokyo

• Kubota Masato

  Neutron Scattering Laboratory I.s.s.p. University Of Tokyo

• Kubota Masato

  Photon Factory Institute Of Materials Structure Science High Energy Accelerator Research Organizatio

• HIROTA Kazuma

  CREST, Department of Physics, Tohoku University

• Hirota Kazuma

  Crest Department Of Physics Tohoku University

• Endoh Yasuo

  Institute For Materials Research Tohoku University

• Endoh Yasuo

  Physics Department Tohoku University

• FUJIOKA Hirofumi

  CREST, Department of Physics, Tohoku University

• SHIMIZU Kouichirou

  Neutron Scattering Laboratory, I.S.S.P., University of Tokyo

• Okayama Yasushi

  Institute For Solid State Physics University Of Tokyo

• Yoshizawa Hideki

  Neutron Scattering Laboratory Institute For Solid State Physics University Of Tokyo

• Oohara Y

  Department Of Physics Saga University

• Moritomo Yutaka

  Center For Integrated Research For Science And Engineering (cirse) And Department Of Applied Physics

• Ando Y

  Tokyo Univ. Information Sci. Chiba Jpn

• Fujioka Hiroyuki

  Department Of Orthopaedic Surgery Kobe University Graduate School Of Medicine

• Shimizu Kouichirou

  Neutron Scattering Laboratory I.s.s.p. University Of Tokyo

• Futani Hiroyuki

  Department Of Orthopedic Surgery Institute For Advanced Medical Sciences Hyogo College Of Medicine

• Yoshizawa Hideki

  Univ. Tokyo Ibaraki

• Fujioka Hiroyuki

  Department Of Orthopaedic Surgery Hyogo College Of Medicine

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