Orbital Ordering and Local Magnetic Properties of Mott-Hubbard Insulators YTiO_3 and LaTiO_3: NMR Study

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概要

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• ""'Ti, "Y and "'La NN4R naeasturetnetats Iaaxze lveen perf'orrned to stttdy local nnagtaeticproperties of the INzIott-Htrbbard instrI?ttors YTiOa and Ladies. In partictrlar, tlue raaagneticstruettrre of the ferrorna:netic (antiferroraaa:netic) state of YTiOa (LaTiOa) is disctrssed lcasedon flue analysis of "" ' "Ti f'requency-swept lN'lN4R spectra. We ['ot-rnd tlaart the Ti NlV[R spectrurnin YTiO3 is successfully explained Icy an orbital ordering model j*r'oposed by tlae uuarestrictedHartree-Fock ar'?d the bauud calcttlations. 011 tlte otlaer I'natad, tlae Ti XINIR. sjcectrtrna in LaTi03is explained withotrt or1.cita1 orderitag. The internal field H. at tlme Y site in YTiO3 is dtre to tltesvxpertransferred layperfirae itater?tctiota, xvherears tlae H.. ?tt tlae La site is cazuceled otnt because of't['xe local syrnnaaetry ita the aratifer'rouaa?tgnetic st?rte of LatTi03.

• 社団法人日本物理学会の論文
• 1999-08-15

著者

• ITOH Masayuki

  Department of Physics,Faculty of Science,Chiba University

• TANAKA Hirotaka

  Department of Nephrology, Osaka University Graduate School of Medicine

• Itoh M

  Department Of Physics Faculty Of Science Chiba University

• Motoya Kiyoichiro

  Department Of Metal Science And Technology Kyoto University:institute For Solid State Physics Univer

• Motoya Kiyoichiro

  Department Of Physics Faculty Of Science And Technology Science University Of Tokyo

• Itoh Masayuki

  Department Of Mental Retardation And Birth Defect Research National Center Of Neurology And Psychiat

• TSUCHIYA Michitoshi

  Graduate School of Science and Technology,Chiba University

• Tanaka Hirotaka

  Department Of Electronics And Bioinformatics School Of Science And Technology Meiji University

• Itoh Masayuki

  Department Of Applied Chemistry Kanagawa Institute Of Technology

• Tanaka Hirotaka

  Department Of Physics Faculty Of Science Chiba University

• Tsuchiya M

  Graduate School Of Science And Technology Chiba University

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