(Last updated : 2021-07-10 15:29:58)
  OBARA Gaku
   Department   Undergraduate School  , School of Science and Technology
   Position   Associate Professor
■ Books and Papers
1. 2020/01 Article Magnetic Domain Analysis of Ferrite-Sintered Magnets in Thermally Demagnetized and AC Demagnetized States Using Multiple Distances Observation of MFM and Image Processing IEEE Transactions on Magnetics Volume: 56(Issue: 4),pp.7516404 (Collaboration) 
2. 2019/04 Article Magnetic domain observation of ferrite sintered magnets using MFM images observed from multiple distances and image processing IEEE Trans. Magn 55(4),pp.6500504 (Collaboration) 
3. 2018/09 Article Influence of Oxygen Concentration during Semi-sintering on CrystallinePhase of Sr-Fe2 W-type Ferrites J. Jpn. Soc. Powder Powder Metallurgy 65(9),pp.589-594 (Collaboration) 
4. 2016/08 Article Effects of Ca Excess Total Amount on the Magnetic and Physical Properties of Ca-La-Co Ferrite Sintered Magnets IEEJ Transaction on Fundamentals and Materials 136(8),pp.503-508 (Collaboration) 
5. 2015/07 Article Magnetic Properties of Ca-La-Co-Zn M-Type Ferrite Sintered Magnets J. Jpn. Soc. Powder Powder Metallurgy 62(7),pp.349-354 (Collaboration) 
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■ Conference Presentations
1. 2014/08 Magnetic Properties of Pr-Ce-Fe-Co-B System Melt-Spun Ribbons (The 23rd International Workshop on Rare Earth and Future Permanent Magnets and Their Applications)
2. 2013/04 Electrochemical Pseudo-capacitance and Electric Reduction Treatment of ZnxFe3-xO4 Spinel Ferrite Electrodes (The 11TH International Conference on Ferrites)
3. 2012/09/21 Electrochemical Capacitance and Reduction Treatments of Iron System Spinel Ferrite Electrodes
4. 2011/05/31 Electrochemical Properties of Mn-ferrite Electrodes for Redox Capacitors (Spring Meeting of Japan Society of Powder and powder Metallurgy, 2011)
5. 2009/07 Magnetic Properties of Ta(Fe1-xTx)2 with T=V, Cr, Mn, Co and Ni (International Conference on Magnetism – ICM 2009)
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■ Academic Qualifications
1. 2002/03/26
Degree Acquisition
Meiji University,
■ Research Topics, Consignment Studies & KAKENHI Researches
1.   Study of electrochemical capacitors  (Key Word : electrochemical capacitor, redox, oxide)
2.   Study of ferrite parmanent magnets  (Key Word : ferrite, M-type, spinel, coercive force, sturation magnetization, remanence)
■ Current Specialized Field
Electric and electronic materials