Effects of Orbitals on the Magnetization Process in Manganites
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概要
- 論文の詳細を見る
In manganites, the spin ordering depends on the orbitals in the e.. state of Mn ions. It isshown that the magnetization process is also strongly affected by the orbitals, by tzsing theexact diagonalization technique applied to the effective Hamiltonian which includes a couplingbetween the spin and orbital degrees of freedorn derived from strong on-site Coulomb interactionand orbital degeneracy of In Tons. We find that the spin moment induced by an applied magneticfield is accompanied with the change of the orbital structure. Stnch a coupling between the spinand orbital degrees of freedom results in a charasteristic magnetization process of manganites.Recent experimental data obtained in Prg.5Ca0.5[VInO3 and related compounds are examined inthe light of the present theory.
- 社団法人日本物理学会の論文
- 1997-10-15
著者
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Inoue Jun-ichiro
Department Of Applied Physics Nagoya University
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MAEKAWA Sadamichi
Institute for Materials Research,Tohoku University
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Inoue J
Nagoya Univ. Nagoya
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Inoue J
Department Of Basic Science University Of Tokyo:core Research For Evolutional Science And Technology
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KAWAMURA Yuhki
Department of Applied Physics,Nagoya University
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Kawamura Y
Department Of Physics Biology And Informatics Faculty Of Science Yamaguchi University:(present Addre
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KOSHIBAE Wataru
Institute for Materials Research,Tohoku University
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Koshibae Wataru
Institute For Materials Research Tohoku University
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Kawamura Yuhki
Department Of Applied Physics Nagoya University
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Inoue Junichiro
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Maekawa Sadamichi
Institute For Materials Research Tohoku University
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Maekawa Sadamichi
Institute For Iron And Other Metals Tohoku University
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Inoue Junichiro
Department of Applied Physics, Nagoya University
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Inoue Jun-ichiro
Department of Applied Physics, Nagoya University
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INOUE Jun-Ichiro
Department of Applies Physics, Nagoya University
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