Development of magnetic sensor using amorphous alloy nanowire
| Project/Area Number |
25286019
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Nanomaterials engineering
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| Research Institution | Tohoku University |
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Principal Investigator |
Nakayama Koji 東北大学, 原子分子材料科学高等研究機構, 准教授 (50312640)
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| Co-Investigator(Kenkyū-buntansha) |
薮上 信 東北学院大学, 工学部, 教授 (00302232)
横山 嘉彦 東北大学, 金属材料研究所, 准教授 (00261511)
柳沼 晋 東北大学, 原子分子材料科学高等研究機構, 助教 (80516518)
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| Project Period (FY) |
2013-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥19,500,000 (Direct Cost: ¥15,000,000、Indirect Cost: ¥4,500,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2014: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2013: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
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| Keywords | nanowire / magnetic sensor / ナノワイヤー / アモルファス合金 / アモルファス / 表面構造 |
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| Outline of Final Research Achievements |
In this study, nanowires were created from Co36Fe36B19Si5Nb4 amorphous alloy, which is a soft magnetic material and has low coercive force and high magnetic permeability by gas atomization method. We verified the magnetic impedance effect at the nanoscale, We have been conducting research on the development of nanosized magnetic sensors. Main research results include 1) Optimization conditions of gas atomization in fabrication of nanowire, 2) Establishment of nanowire fixing method using focused ion beam, 3) Construction of prototype nano magnetic impedance sensor, 4) Detection of external magnetic field using nano magnetic impedance sensor and measurements of frequency dependence of ferromagnetic resonance, 6) Detection of impedance change depending on wire diameters.
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Report
(5 results)
Research Products
(31 results)
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[Journal Article] Inelastic electron-tunneling spectroscopy of nanoporous gold films2014
Author(s)
H. W. Liu, R. Nishitani, T. Fujita, W. Li, L. Zhang, X. Y. Lang, P. Richard, K. S. Nakayama, X. Chen, M. W. Chen, and Q. K. Xue
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Journal Title
PHYSICAL REVIEW B
Volume: 89
Issue: 3
Pages: 035426-035426
DOI
Related Report
Peer Reviewed
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