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1999 Fiscal Year Final Research Report Summary

Development of Measurement Technology for Nanoscale Magnetism

Research Project

Project/Area Number 09236102
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

SATO Katsuyuki  Tokyo University of Agriculture & Technology, Department of Applied Physics, Professor, 工学部, 教授 (50170733)

Co-Investigator(Kenkyū-buntansha) TSUNASHIMA Shigeru  Nagoya University, Graduate school of Technology, Professor, 大学院・工学研究科, 教授 (80023323)
OGUCHI Tamio  Hiroshima University, Graduate school of Science, Professor, 大学院・理学研究科, 教授 (90253054)
ITO Akiyoshi  Nihon University, Faculty of Science and Technology, Professor, 理工学部, 教授 (60059962)
HONO Kazuhiro  Ntional Reserch institute for Metals, Researcher, 金属材料研究所, 研究官
MUKASA Koichi  Hokkaido University, Graduate school of Technology, Professor, 大学院・工学研究科, 教授 (00001280)
Project Period (FY) 1997 – 1999
Keywordsnanoscale magnetism / nonlinear magneto-optics / thermomagnetic recording / ab-initio electronic states calculation / exchange force microscope / lateral multiwire / diluted magnetic semiconductor / two dimensional plasmon
Research Abstract

To investigate magnetism in nanoscale region, we have been developing various kinds of nanocharacterization techniques. Prof. Sato investigated Fe/Au artificial superlattice by means of magnetic second harmonic generation (MSMG) technique. He observed well defined four-foid symmetry patterns in azimuthal dependence of MSHG intensity, and explained in terms of symmetry at the surface and interfaces of the Fe/Au superlattices. Prof. Ito performed molecular dynamics studies on atomic layer deposition of Pd on Ni film with a surface roughness and an in-plane strain. He elucidated that the in-plane strain of the Ni surface determines crystallographic orientation and uniformity of strain in the deposited layer. Prof. Tsunashima carried out a magneto-static simulation to prove a possibility of formation of a small domain as small as 0.1 μm by thermomagnetic recording. He also studied XMCD spectra in Dy/Fe multilayers. Prof. Mukasa developed a spin-polarized STM with photo-irradiated GaAs probes to obatain spin-polarized image of atomically flat surface of Fe thin film on the MgO substrate. Exchange force microscope has also been investigated, Prof. Oguchi obtained magneto-optical Kerr spectra in CdCrィイD22ィエD2SeィイD24ィエD2, CuCrィイD22ィエD2SeィイD24ィエD2 and PtMnSb using ab-initio energy-band calculation. Electronic origin of Kerr spectra were discussed through comparison between the calculation and the experiment. Dr. Hono conducted micro-XRD measurements Co-Al-O granular films. In addition, lateral multiple nonowire, Fe particles, diluted magnetic semiconductors, two dimensional plasmon in ultrathin metallic films, nanoheterostructure with transition metal particles buried in MgO are also investigated.

  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] K.Sato: "Magneto-optical spectra of Fe/Au artificial superlattices modulated by integer and non-integer atomic layers"J.Appl. Phys. 86. 4985-4996 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 吉田武一: "近接場磁気光学顕微鏡用プローブの偏光特性と磁気光学像"日本応用磁気学会誌. 23. 1960-1964 (1999)

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  • [Publications] K.Sato: "Nonlinear Magneto-Optical Effect in Fe/Au Superlattices modulated by Non-Integer Atomic Layers"J.Appl. Phys. 87(in press). (2000)

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  • [Publications] A.Tsukamoto: "The structure at the interface of Ni/Pd bilayer films with different deposition sequenced estemated from molecular dyanmics simulation"IEEE Trans. Magn. 35(in press). 2998-3000 (1999)

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  • [Publications] T.Kawagoe: "Scanning Tunneling Spectroscopy Study of Fe(001) Using Nonmagnetic W- and Fe-Evaporated Probe Tips"Jpn. J.Appl. Phys. 38. 3816-3819 (1999)

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  • [Publications] T.Kato: "Magneto-Optical Soectra and Magnetic Anisotropy of MBE-Grown CoPt Alloy Films with Ll_0 and Ll_1 Ordered Structure(s)"J.Magn. Soc.Jpn.. 23. 47-50 (2000)

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  • [Publications] T.Tanji: "Obsevation of Magnetic Fine Structures by Eolectron differential Microscopy"Materuaks Characterization. 42. 183-192 (1999)

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  • [Publications] T.Tanji: "Lorentz Microscopy of Magnetic Films"Phys. Rev. Lett. 83. 1038-1041 (1999)

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  • [Publications] H.Akai: "Theory of Hyperfine fields in iron"Hyperfine Interactions. 120. 3-11 (1999)

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  • [Publications] H.Akai: "Electronic stqcture of diluted magnetic semiconductores and its superlatteces"J.Phys. Soc.Jpn. (in press). (2000)

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  • [Publications] T.Naga: "Construction of an ELSLEED -an electron energy loss spectrometer with electrostatic two-dimensionalanglar scanning-"Surface and Interface Analysis. (in press). (2000)

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  • [Publications] N.Tanaka: "Structure and Physical Properties of atomic clusters in MgO"Mesoscopic Materials and Clusters(Kodansha/Springer). 429-441 (1999)

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  • [Publications] M.Ohnuma: "Microstructure and magnetic properties of co-Al-O granular thin films"J.Appl. Phys. 87. 817-823 (2000)

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  • [Publications] 大沼正人: "X線小角散乱によるCo-Al-Oグラニュラー膜の微小組織の定量的評価"マテリア. 87. 982-988 (2000)

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  • [Publications] A.Subagyo: "Scanning tunneling Microscopy Study of Sreface Structure and Magnetism of Fe Thin Films Grown on MfO(001)"J.Phys. Soc.Jpn. 38. 3820-3825 (2000)

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  • [Publications] A.Subagyo: "Growth Morphology of Epitaxial Fe Films on Annealed MgO(001) Surfaces"IEEE Transactions on Magnetics. 35. 3037-3039 (1999)

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  • [Publications] H.Miyaxawa: "FLAPW calculations of the magneto-optical Kerr eggect of bee Fe"J.Mag. Magn. Mater. 192. 325-333 (1999)

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  • [Publications] H.Miyaxawa: "First-principles investigation of the magneto-optical Kerr Effect of multilayers"J.Phys. Soc.Jpn. 68. 1412-1422 (1999)

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  • [Publications] Y.Morishita: "Crystal structures and magnetic properties of MnAs grown by molecular-beam epitaxy on the(111)"J.Cryst. Growth. (in press).

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  • [Publications] I.Ishibe: "MBE Growth and RHEED Characterization of MnSe/ZnSe Superlatteces on GaAs(100) Substrates"J.Gryst. Growth. (in press).

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  • [Publications] 佐藤勝昭: "実験物理学講座6「磁気測定I」"丸善(近桂一郎・安岡弘志編). 1456 (2000)

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  • [Publications] 武笠武一: "走査型プローブ顕微鏡"丸善(森田清三編). 364 (2000)

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  • [Publications] 田中信夫: "結晶解析ハンドブック"共立出版. 422 (1999)

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  • [Publications] N. Tanaka, T. Kizuka, K. Mihama: "Structure and physical properties of atomic clusters in MgO"Mesoscopic Materials and Clusters (Kodansha/Springer). 429-411 (1999)

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  • [Publications] M. Ohnuma, K. Hono, H. Onodera, S. Ohnuma, H. Fujimori,J.S. Pedersen: "Microstructures and magnetic properties of Co-Al-O granukar thin films"J.Appl Phys. 87. 817-823 (2000)

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  • [Publications] M. Ohnuma, K. Hono, H. Onodera: "Quantitative characterization of microstructures of Co-Al-O granular thin films by low angle X-ray diffraction"Materia. 38. 982-988 (1999)

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  • [Publications] K. Sato: "Magnetic Measurement (ed. K. Kohn, H. Yasuoka)"Maruzen. 203-249 (2000)

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  • [Publications] K. Mukasa: "Scanning Probe Microscope (ed. S. Morita)"Maruzen. 133-135 (2000)

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  • [Publications] N. Tanaka: "Handbook of Crystal Analysis"Kyoritsu Shuppan. 312-325, 420-422 (1999)

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Published: 2001-10-23  

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