Magnetic field and magnetic domain structure imaging with spectroscopic probe for the development of magnetic material of electric car motors
| Project/Area Number |
15H02255
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Measurement engineering
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| Research Institution | Tohoku University |
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Principal Investigator |
Saito Shin 東北大学, 工学研究科, 教授 (50344700)
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| Research Collaborator |
MEGURO SAKAE ネオアーク株式会社, 部長代理
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥40,820,000 (Direct Cost: ¥31,400,000、Indirect Cost: ¥9,420,000)
Fiscal Year 2017: ¥10,270,000 (Direct Cost: ¥7,900,000、Indirect Cost: ¥2,370,000)
Fiscal Year 2016: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
Fiscal Year 2015: ¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
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| Keywords | 磁気カー効果 / 磁区観察 / 磁界検出 / 磁気光学スペクトル / CMOSイメージセンサ / プラズモン / 表面プラズモン |
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| Outline of Final Research Achievements |
For development of high performance electric car motors consisting of permanent magnets and thin magnetic ribbons to reduce environment load, a spectroscopic imaging system with a magneto-optical probe for a magnetic domain structure and a spatial magnetic field distribution was successfully realized. Established and combined techniques were as follows; (1) visualization of the dynamics of magnetic domain structure for samples with scratches by real-time processing of differential-polarization images with two analogue cameras, (2) analysis of the three-dimensional local magnetization components due to imaging with the oblique incidence from the opposite directions, (3) high sensitivity imaging by a backside-illuminated CMOS camera, and (4) detection of magneto-optical spectra by using an imaging device.
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Report
(4 results)
Research Products
(21 results)
