2010 Fiscal Year Final Research Report
Control of magnetic domain walls in nanowires of strongly correlated electron material
| Project/Area Number |
21710142
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Microdevices/Nanodevices
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| Research Institution | National Institute for Materials Science |
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Principal Investigator |
NAGAI Takuro National Institute for Materials Science, 電子顕微鏡クラスター, 主任エンジニア (90531567)
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| Project Period (FY) |
2009 – 2010
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| Keywords | 強磁性ナノワイヤ / ボルテックス磁壁 / トランスバース磁壁 / カイラリティ制御 |
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| Research Abstract |
We performed in situ Lorentz microscopic observation of ferromagnetic perovskite-type manganite nanowires with the magnetic field applied to control the chirality of magnetization distribution of the magnetic domain walls. The chirality of vortex walls was controlled by the direction of external magnetic field in alternating current demagnetization. The chirality of transverse walls formed at the same pinning site was reversed by the reversal of the magnetization direction of separated domains.
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