| Project/Area Number |
09236102
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Research Institution | Tokyo University of Agriculture and Technology |
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Principal Investigator |
SATO Katsuyuki Tokyo University of Agriculture & Technology, Department of Applied Physics, Professor, 工学部, 教授 (50170733)
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| 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)
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| Project Period (FY) |
1997 – 1999
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| Project Status |
Completed (Fiscal Year 1999)
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| Budget Amount *help |
¥121,100,000 (Direct Cost: ¥121,100,000)
Fiscal Year 1999: ¥35,300,000 (Direct Cost: ¥35,300,000)
Fiscal Year 1998: ¥47,900,000 (Direct Cost: ¥47,900,000)
Fiscal Year 1997: ¥37,900,000 (Direct Cost: ¥37,900,000)
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| Keywords | nanoscale magnetism / nonlinear magneto-optics / thermomagnetic recording / ab-initio electronic states calculation / exchange force microscope / lateral multiwire / diluted magnetic semiconductor / two dimensional plasmon / 近接場磁気光学顕微鏡 / 非線形磁気光学 / スピン偏極表面状態 / 局所スピン密度近似 / カースペクトルの理論計算 / Co-Pt規則合金 / スピン偏極STM / 高分解能電子顕微鏡 / 磁気異方性 / 磁性体微細構造 / 第1原理計算 / 近接場光記録 |
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| 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.
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