Papers - TAKEZAWA Masaaki
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Magnetic Domain Observation and Magnetization Process Analysis of Nd-Fe-B Sub-Micron Grain Sized Magnet with High-Resolution Kerr Microscope
M. Takezawa
J. Japan Inst. Metals ( Japan Inst. Metals ) 76 ( 1 ) 48 - 51 2012.01
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Magnetic Domain Observation of Nd-Fe-B Sintered Magnets at Elevated Temperatures by Using Kerr Microscope Reviewed
M. Takezawa, Y. Nagashima, Y. Morimoto and J. Yamasaki
IEEE Trans. Magn. 47 ( 10 ) 3256 - 3258 2011.10
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Magnetic Domain Observation of Nd-Fe-B Magnets with Submicron-Sized Grains by High-Resolution Kerr Microscopy Reviewed
M. Takezawa,N. Tani,Y. Nagashima,Y. Morimoto,J. Yamasaki,N. Nozawa,T. Nishiuchi and S. Hirosawa
J. Appl. Phys. 109 ( 7 ) 07A709.1 - 07A709.3 2011.03
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Microstructure and Coercivity of Fine-Grained Permanent Magnets Obtained by Rapid Hot Pressing of HDDR-Processed Nd-Fe-B Powder
N. Nozawa, T. Nishiuchi, S. Hirosawa, Hossein Sepehri-Amin, T. Ohkubo, K. Hono, M. Takezawa, K. Maruko, N. Tani, Y. Morimoto, J. Yamasaki
Hitachi Metals Technical Review 27 34 - 41 2011.02
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Micromagnetic simulation of wall transition structures with self-induced helical anisotropy and their pinning effects Reviewed
200 ( SECTION 4 ) 2010.09
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Recent Efforts Toward Rare-Metal-Free Permanent Magnets in Japan Reviewed
S. Hirosawa,T. Nishiuchi,N. Nozawa,T. Ohkubo,K. Hono,H. Sepehri-Amin,M. Takezawa,J. Yamasaki,S. Yamanuro,T. Tanaka,M. Okano and K. Sumiyama
Proceedings of the 21st Workshop on Rare-Earth Permanent Magnets and their Applications, Bled, Slovenia 21 187 - 192 2010.09
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Magnetic Domain Observation of Hydrogenation-Disproportionation- Desorption-Recombination Processed Nd-Fe-B Magnets with High- Resolution Kerr Microscope Using Ultraviolet Light Reviewed
M. Takezawa,K. Maruko,N. Tani,Y. Morimoto,J. Yamasaki,N. Nozawa,T. Nishiuchi and S. Hirosawa
Proceedings of the 21st Workshop on Rare-Earth Permanent Magnets and their Applications, Bled, Slovenia 21 51 - 54 2010.08
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光で見る磁石（磁性材料）の磁気的微細構造 Reviewed
竹澤 昌晃
電気学会誌 130 ( 8 ) 544 - 547 2010.08
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Magnetic domain observation of hydrogenation disproportionation desorption recombination processed Nd-Fe-B powder with a high-resolution Kerr microscope using ultraviolet light Reviewed
M. Takezawa,K. Maruko,N. Tani,Y. Morimoto,J. Yamasaki,T. Nishiuchi,S. Hirosawa
Jounal of Applied Physics 107 ( 9 ) 09A724.1 - 09A724.3 2010.04
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Effect of Surface Microstructure on Magnetization Process in Fe80.5Cu1.5Si4B14 Nanocrystalline Alloys Reviewed
M. Ohta,Y. Yoshizawa,M. Takezawa,J. Yamasaki
IEEE Transactions on Magnetics 46 ( 2 ) 203 - 206 2010.01
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Surface Domain Configuration of Nd-Fe-B Sintered Magnets Influenced by Underneath Magnetization Reviewed
M. Takezawa,Y. Ichihara,Y. Morimoto,J. Yamasaki
IEEE Transactions on Magnetics 45 ( 10 ) 4439 - 4442 2009.09
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磁気光学顕微鏡とその応用 Reviewed
竹澤 昌晃
電気学会論文誌A (基礎・材料・共通部門誌) 129 ( 9 ) 565 - 568 2009.09
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元素戦略プロジェクト「低希土類元素組成高性能異方性 ナノコンポジット磁石の開発」の狙いと課題 Reviewed
広沢哲,西内武司,大久保忠勝,Li Wanfang,宝野和博,山崎二郎,竹澤昌晃,隅山兼治,山室佐益
日本金属学会誌 73 ( 3 ) 135 - 140 2009.03
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Domain Observation of Nd-Fe-B Sintered Magnets by Image Processing Using Liquid Crystal Modulator Reviewed
M. Takezawa,Y. Morimoto,J. Yamasaki
Proceedings of 20th International Workshop on Rare Earth Permanent Magnet & Their Applications 20 327 - 329 2008.09
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無方向性電磁鋼板における磁気特性方向依存性の検討 Reviewed
開道力,竹澤昌晃,山崎二郎,藤倉昌浩,茂木尚
Journal of the Magnetics Society of Japan 32 ( 3 ) 254 - 259 2008.05
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Magnetic Domains and Magnetization Process of Amorphous Granular (CoFeB)-SiO2 Thin Films Reviewed
M. Takezawa,A. Shiota,Y. Morimoto,J. Yamasaki,M. Munakata,M. Yagi
Jounal of Applied Physics 103 ( 7 ) 07E723.1 - 07E723.1 2008.02
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Domain Observation of Amorphous Wire with Large Diameter for Micro-Sensor and Micro-Motor Application Reviewed
M. Takezawa,T. Wada,Y. Morimoto,J. Yamasaki
International Journal of Applied Electromagnetics and Mechanics 25 ( 1-4 ) 189 - 192 2007.05
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Domain Observation Technique for Nd-Fe-B Magnet in High Magnetic Field by Image Processing Using Liquid Crystal Modulator Reviewed
M. Takezawa,T. Shimada,S. Kondo,S. Mimura,Y. Morimoto,T. Hidaka,J. Yamasaki
Jounal of Applied Physics 101 ( 9 ) 09K106.1 - 09K106.3 2007.05
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Effect of Nd-Rich Phase on c-Axis Orientation of Nd-Fe-B Melt-Spun Magnet and its Domain Structure Reviewed
M. Takezawa,K. Aiba ,H. Yasuda,Y. Morimoto,T. Hidaka,J. Yamasaki ,H. Kato ,M. Yagi
Journal of Magnetism and Magnetic Materials 310 ( 2 ) 2572 - 2574 2007.03
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Effect of Applied Magnetic Field on Anodic Oxidization of Aluminum for High-Aspect-Ratio Microfabrication Reviewed
M. Takezawa,T. Imagawa,J. Yamasaki,M. Yagi
Sensor Letters 5 ( 1 ) 293 - 295 2007.03