Updated on 2021/06/11

写真a

 
NAGAO Masahiro
 
Organization
Institute of Materials and Systems for Sustainability Center for Integrated Research of Future Electronics Materials Nano-Characterization Section Associate professor
Graduate School
Graduate School of Engineering
Title
Associate professor
External link

Degree 1

  1. Ph.D. in Engineering ( 2008.3   Waseda University ) 

Research Interests 1

  1. 電子顕微鏡

Research Areas 3

  1. Nanotechnology/Materials / Applied physical properties  / Transmission electron microscopy

  2. Natural Science / Magnetism, superconductivity and strongly correlated systems  / Topological matter

  3. Nanotechnology/Materials / Nanostructural physics  / Spintronics

Current Research Project and SDGs 1

  1. 高効率スピントロニクスデバイス実現に向けた基礎物性の探索と基盤技術の開発

Education 1

  1. Waseda University   Graduate School, Division of Science and Engineering

    2005.4 - 2008.3

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    Country: Japan

 

Papers 28

  1. Observation of domain wall bimerons in chiral magnets Reviewed

    T. Nagase, Y. G. So, H. Yasui, T. Ishida, H. K. Yoshida, Y. Tanaka, K. Saitoh, N. Ikarashi, Y. Kawaguchi, M. Kuwahara, and M. Nagao

    Nature Communications   Vol. 12   page: 3490   2021.6

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1038/s41467-021-23845-y

  2. Smectic Liquid-Crystalline Structure of Skyrmions in Chiral Magnet Co8.5Zn7.5Mn4(110) Thin Film Reviewed

    T. Nagase, M. Komatsu, Y. G. So, T. Ishida, H. Yoshida, Y. Kawaguchi, Y. Tanaka, K. Saitoh, N. Ikarashi, M. Kuwahara, and M. Nagao

    Physical Review Letters   Vol. 123   page: 137203   2019.9

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.123.137203

  3. Direct observation and dynamics of spontaneous skyrmion-like magnetic domains in a ferromagnet Reviewed

    M. Nagao, Y. G. So, H. Yoshida, M. Isobe, T. Hara, K. Ishizuka, and K. Kimoto

    Nature Nanotechnology   Vol. 8   page: 325 - 328   2013.5

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

  4. Enhanced activation of Mg ion-implanted GaN at decreasing annealing temperature by prolonging duration Reviewed

    T. Nakashima, E. Kano, K. Kataoka, S. Arai, H. Sakurai, T. Narita, K. Sierakowski, M. Bockowski, M. Nagao, J. Suda, T. Kachi, and N. Ikarashi

    Applied Physics Express   Vol. 14   page: 011005   2020.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.35848/1882-0786/abd308

  5. Magnetically induced metal-insulator transition in Pb2CaOsO6 Reviewed International coauthorship

    H. Jacobsen, H. L. Feng, A. J. Princep, M. C. Rahn, Y. Guo, J. Chen, Y. Matsushita, Y. Tsujimoto, M. Nagao, D. Khalyavin, P. Manuel, C. A. Murray, C. Donnerer, J. G. Vale, M. M. Sala, K. Yamaura, and A. T. Boothroyd

    Physical Review B   Vol. 102   page: 214409   2020.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1103/PhysRevB.102.214409

  6. Enhanced magnetization of the highest-TC ferrimagnetic oxide Sr2CrOsO6 Reviewed International coauthorship

    J. Chen, X. Wang, Z. Hu, L. H. Tjeng, S. Agrestini, M. Valvidares, K. Chen, L. Nataf, F. Baudelet, M. Nagao, Y. Inaguma, A. A. Belik, Y. Tsujimoto, Y. Matsushita, T. Kolodiazhnyi, R. Sereika, M. Tanaka, K. Yamaura

    Physical Review B   Vol. 102   page: 184418   2020.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1103/PhysRevB.102.184418

  7. Defect evolution in Mg ions implanted GaN upon high temperature and ultrahigh N2 partial pressure annealing: Transmission electron microscopy analysis Invited Reviewed

    K. Iwata, H. Sakurai, S. Arai, T. Nakashima, T. Narita, K. Kataoka, M. Bockowski, M. Nagao, J. Suda, T. Kachi, and N. Ikarashi

    Journal of Applied Physics   Vol. 127   page: 105106   2020.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1063/1.5140410

  8. Overview of carrier compensation in GaN layers grown by MOVPE: Toward the application of vertical power devices Reviewed

    T. Narita, T. Kazuyoshi, K. Kataoka, Y. Tokuda, T. Kogiso, H. Yoshida, N. Ikarashi, K. Iwata, M. Nagao, N. Sawada, M. Horita, J. Suda, and T. Kachi

    Japanese Journal of Applied Physics   Vol. 59   page: SA0804   2019.11

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    Language:English  

    DOI: https://doi.org/10.7567/1347-4065/ab4610

  9. Atomic resolution structural analysis of magnesium segregation at a pyramidal inversion domain in a GaN epitaxial layer Reviewed

    Iwata Kenji, Narita Tetsuo, Nagao Masahiro, Tomita Kazuyoshi, Kataoka Keita, Kachi Tetsu, Ikarashi Nobuyuki

    Applied Physics Express   Vol. 12 ( 3 )   2019.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7567/1882-0786/ab04f1

    Web of Science

  10. Experimental observation of multiple-Q states for the magnetic skyrmion lattice and skyrmion excitations under a zero magnetic field Reviewed

    M. Nagao, Y. G. So, H. Yoshida, K. Yamaura, T. Nagai, T. Hara, A. Yamazaki, and K. Kimoto

    Physical Review B   Vol. 92   page: 140415(R)   2015.10

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

  11. The effects of immobilized carboxylic-functional groups on the dynamics of phase transformation from amorphous to octacalcium phosphate Reviewed

    Y. Sugiura, Kazuo Onuma, M. Nagao, and A. Yamazaki

    American Mineralogist   Vol. 100   page: 1624   2015.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.2138/am-2015-5179

  12. Real space observation of skyrmion polycrystallization and its domain boundary behavior in FeGe1-xSix Reviewed

    M. Nagao, Y. G. So, H. Yoshida, T. Nagai, K. Edagawa, K. Saito, T. Hara, A. Yamazaki, and K. Kimoto

      Vol. 8   page: 033001   2015.3

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

  13. ローレンツ顕微鏡による強磁性酸化物中の磁気スキルミオン状磁気クラスターの観察 Invited Reviewed

    長尾全寛, 肖英紀, 木本浩司

      Vol. 57   page: 391   2014.10

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    Authorship:Lead author, Corresponding author   Language:Japanese  

  14. Dissolution behavior of vaterite spherulite in solutions containing phosphate ions Invited Reviewed

    Y. Sugiura, K. Onuma, M. Nagao, K Momma, Y. Kimura, and A. Yamazaki

    Journal of the Ceramic Society of Japan     2014.5

  15. Analysis of disordered nonstoichiometric Ln1–xAexF3–x (Ln = Tb or Gd, and Ae = Ca or Sr) single crystals Reviewed

    V. Vasyliev, Y. Michiue, E. G. Villora, Y. Matsushita, A. Sato, M. Nagao, Y. Sugahara, and K. Shimamura

      Vol. 228   page: 576   2013.10

  16. Atomic resolution chemical bond analysis of oxygen in La2CuO4 Reviewed International coauthorship

    M. Haruta, T. Nagai, N. R. Lugg, M. J. Neish, M. Nagao, K. Kurashima, L. J. Allen, T. Mizoguchi, and K. Kimoto

    Journal of Applied Physics     2013.8

  17. Formation of nanoscale magnetic bubbles in ferromagnetic insulating manganite La7/8Sr1/8MnO3 Reviewed

    T. Nagai, M. Nagao, K. Kurashima, T. Asaka, W. Zhang, and K. Kimoto

    Applied Physics Letters   Vol. 101   page: 162401   2012.10

  18. Magnetocrystalline anisotropy behavior in the multiferroic BiMnO3 examined by Lorentz transmission electron microscopy Reviewed

    T. Asaka, M. Nagao, T. Yokosawa, K. Kokui, E. Takayama-Muromachi, K. Kimoto, K. Fukuda, and Y. Matsui

    Applied Physics Letters   Vol. 101   page: 052407   2012.8

  19. HAADF-STEM study of chemical ordering in Al-Pd-Sc 1/1-crystal approximant Reviewed

    Y. G. So, M. Nagao, T. Nagai, and K. Kimoto

    Journal of Alloys and Compounds   Vol. 543   page: 7   2012.7

  20. Ferrimagnetic/ferroelastic domain interactions in magnetite below the Verwey transition. Part I: electron holography and Lorentz microscopy Reviewed International coauthorship

    T. Kasama, R. J. Harrison, N. S. Church, M. Nagao, J. M. Feinberg, and R. E. Dunin-Borkowski

    Phase Transitions   Vol. 86   page: 67   2012.6

  21. Effect of dimension on charge order domain in Ruddlesden-Popper manganites Reviewed

    M. Nagao, T. Nagai, T. Hara, and K. Kimoto

    Physica B: Condensed Matter   Vol. 406   page: 3192   2011.5

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    Authorship:Lead author  

  22. Transverse modulation and uniform period in Bi1−xSrxMnO3 Reviewed

    M. Nagao, K. Kimoto, and Y. Matsui

    Physica B: Condensed Matter   Vol. 405   page: 1686   2009.12

  23. Novel ternary Y-B-C compound: Y10+xB7C10-x (x ≈ 0.1) Reviewed

    Journal of Physics: Conference Series   Vol. 176   page: 012006   2008.9

  24. Structural and physical properties of heavily doped Yttrium Vanadate: Y0.6Cd0.4VO3 Reviewed

    A. A. Belik, M. Nagao, M. Azuma, M. Takano, Y. Matsui, and E. Takayama-Muromachi

    Chemistry of Materials   Vol. 20   page: 5246   2008.7

  25. Anomalous ferromagnetic behavior and large magnetoresistance induced by orbital fluctuation in heavily doped Nd1−xSrxMnO3 (0.57 ≤ x ≤ 0.75) Reviewed

    D. Akahoshi, R. Hatakeyama, M. Nagao, T. Asaka, Y. Matsui, and H. Kuwahara

    Physical Review B   Vol. 77   page: 054404   2008.2

  26. Nanoscale structural inhomogeneity at the phase boundary in Nd1-xSrxMnO3 Reviewed

    M. Nagao, T. Asaka, D. Akahoshi, T. Nagai, T. Hara, K. Kimoto, H. Kuwahara, T. Matsui

    Acta Crystallographica Section A: Foundations and Advances     2008

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    Authorship:Lead author, Corresponding author  

  27. Nanostructural evidence at the phase boundary of A- and C-type antiferromagnetic phases in Nd1−xSrxMnO3 crystals Reviewed

    M. Nagao, T. Asaka, D. Akahoshi, R. Hatakeyama, T. Nagai, M. Saito, K. Watanabe, M. Tanaka, A. Yamazaki, T. Hara, K. Kimoto, H. Kuwahara, and Y. Matsui

    Journal of Physics: Condensed Matter   Vol. 19   page: 492201   2007.11

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    Authorship:Lead author, Corresponding author  

  28. Diffuse phase transition and anisotropic evolution of nanodomains in Nd0.2Sr0.8MnO3 Reviewed

    M. Nagao, T. Asaka, T. Nagai, D. Akahoshi, R. Hatakeyama, T. Yokosawa, M. Tanaka, H. Yoshikawa, A. Yamazaki, K. Kimoto, H. Kuwahara, and Y. Matsui

    Journal of the Physical Society of Japan   Vol. 76   page: 103706   2007.10

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    Authorship:Lead author, Corresponding author  

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Presentations 22

  1. ホイスラー物質における磁気スキルミオンとアンチスキルミオンの相互作用

    清水大瑚, 長瀬知輝, 肖英紀, 桑原真人, 五十嵐信行, 長尾全寛

    日本物理学会 第76回年次大会  2021.3.15 

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation (general)  

  2. カイラル磁性薄膜におけるドメインウォールスキルミオンの観測

    長瀬知輝, 肖英紀, 安井隼太, 石田高史, 吉田紘行, 田仲由喜夫, 齋藤晃, 五十嵐信行, 川口由紀, 桑原真人, 長尾全寛

    日本物理学会2020年秋季大会  2020.9.11 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation (general)  

  3. ローレンツ電子顕微鏡法を用いたMn1.4Pt0.9Pd0.1Snにおける磁気構造の安定性の解析

    清水 大瑚, 肖 英紀,五十嵐 信行,長尾 全寛

    日本顕微鏡学会第76回学術講演会  2020.5.27 

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    Event date: 2020.5

    Language:Japanese   Presentation type:Oral presentation (general)  

  4. 高温アニールMgイオン注入GaN結晶の欠陥解析

    中島 拓也,櫻井 秀樹,荒井 重勇,岩田 研治,成田 哲生,片岡 恵太,Bockowski Michal,長尾 全寛,須田 淳,加地 徹,五十嵐 信行

    日本顕微鏡学会第76回学術講演会  2020.5.26 

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    Event date: 2020.5

    Language:Japanese   Presentation type:Oral presentation (general)  

  5. ローレンツ電子顕微鏡による多様なトポロジカル磁気構造の観察

    清水大瑚、五十嵐信行、長尾全寛

    IEEE Magnetic Society名古屋支部若手研究会  2020.1.24 

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    Event date: 2020.1

  6. カイラル磁性薄膜におけるスキルミオンの液晶構造

    長瀬知輝, 小松正弥, 肖英紀, 石田高史, 吉田紘行, 川口由紀, 田仲由喜夫, 齋藤晃, 五十嵐信行, 桑原真人, 長尾全寛

    日本物理学会2019年秋季大会  2019.9.10 

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    Event date: 2019.9

  7. カイラル磁性薄膜におけるスキルミオンの液晶構造

    長瀬知輝, 小松正弥, 肖英紀, 石田高史, 吉田紘行, 川口由紀, 田仲由喜夫, 齋藤晃, 五十嵐信行, 桑原真人, 長尾全寛

    日本顕微鏡学会第75回学術講演会 

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    Event date: 2019.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  8. ローレンツ電子顕微鏡法を用いたスキルミオン配列の解析

    長瀬知輝, 小松正弥, 肖英紀, 石田高史, 齋藤晃, 五十嵐信行, 桑原真人, 長尾全寛

    日本顕微鏡学会第75回学術講演会 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  9. Co-Zn-Fe合金の電子顕微鏡学的評価

    冨樫将孝、石田高史、小松正弥、長尾全寛、肖英紀、桒原真人、齋藤晃

    日本顕微鏡学会第75回学術講演会 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  10. HAADF-STEMによるp-GaNピラミッド型反転領域境界観察

    岩田研治、成田哲生、長尾全寛、冨田一義、片岡恵太、加地徹、五十嵐信行

    日本顕微鏡学会第75回学術講演会 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  11. 透過型電子顕微鏡を用いたCo-Zn-Fe合金の磁気構造観察

    冨樫将孝, 石田高史, 小松正弥, 長尾全寛, 肖英紀, 桒原真人, 齋藤晃

    日本物理学会第74回年次大会 

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    Event date: 2019.3

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  12. ローレンツ電子顕微鏡による新奇スキルミオン状態の観察

    長瀬知輝,五十嵐信行,長尾全寛

    IEEE Magnetics Society 名古屋支部若手研究会 

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    Event date: 2019.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  13. カイラル磁性薄膜における基板が磁気スキルミオン相に与える影響 Invited

    長尾全寛

    第28回 日本MRS年次大会 

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    Event date: 2018.12

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  14. Lorentz Transmission Electron Microscopy Studies of Magnetic Skyrmions Invited

    M. Nagao

    International workshop Frontiers in Strongly Correlated Electron System 

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    Event date: 2017.10

    Language:English   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  15. Fabrication and analysis of Pt/Co/Ta multilayer disks for investigation of a magnetic chirality

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    Event date: 2017.9 - 2017.10

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

  16. Transmission electron microscopy structural analysis of sputtered MoS2 for 3D-LSI

    Y. Suzuki, S. Hirano, J. Shimizu, K. Matsuura, I. Muneta, M. Nagao, H. Wakabayashi, and N. Ikarashi

    International Conference on Materials and Systems for Sustainability 2017 

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    Event date: 2017.9 - 2017.10

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

  17. Co-Zn系β-Mn型合金の作製と磁気構造観察

    小松正弥, 肖英紀, 鈴木潤士, 桑原真人, 長尾全寛

    日本物理学会2017年秋季大会 

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    Event date: 2017.9

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  18. 磁気キラリティを有するPt/Co/Ta多層膜ディスクの作製と顕微鏡学的磁気構造解析

    鈴木潤士, 桑原真人, 石田高史, 長尾全寛, 齋藤晃

    日本顕微鏡学会 第73回学術講演会 

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    Event date: 2017.5 - 2017.6

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  19. ローレンツ電子顕微鏡によるカイラル磁性体薄膜中の新規一次元磁気構造の観察

    長尾 全寛, 肖 英紀, 長井 拓郎, 山崎 淳司, 木本 浩司

    日本顕微鏡学会 第72回学術講演会  2016.6.16 

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    Event date: 2016.6

  20. Real Space Observation of Magnetic Skyrmions Using Lorentz Transmission Electron Microscopy Invited

    M. Nagao, Y. G. So, A. Yamazaki, and K. Kimoto

    25th Annual Meeting of MRS-J 2015 Challenges and progress in strongly correlated functional materials (International Symposium)  2015.12.9 

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    Event date: 2015.12

  21. Characterization of Magnetic Skyrmions Using Lorentz Transmission Electron Microscopy Invited

    M. Nagao

    The 2nd East-Asia Microscopy Conference, Young scientists satellite meeting -towards next generation of microscopic sciences  2015.11.27 

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    Event date: 2015.11

  22. Lorentz Transmission Electron Microscopy Study of Magnetic Skyrmions Invited

    M. Nagao

    2nd International Symposium on Frontiers in Materials Science  2015.11.20 

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    Event date: 2015.11

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KAKENHI (Grants-in-Aid for Scientific Research) 4

  1. 高密度スキルミオン流の流体力学的輸送特性の研究

    Grant number:21H01029  2021.4

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    長尾全寛

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\18330000 ( Direct Cost: \14100000 、 Indirect Cost:\4230000 )

  2. 電子顕微鏡によるベリー位相の実空間観察

    Grant number:20K20899  2020.7

    日本学術振興会  科学研究費助成事業  挑戦的研究(萌芽)

    長尾 全寛

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\6370000 ( Direct Cost: \4900000 、 Indirect Cost:\1470000 )

  3. コヒーレント偏極電子プローブを活用した次世代スピン分析法の開発

    Grant number:17H02737  2017.4 - 2021.3

    科学研究費助成事業  基盤研究(B)

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    Authorship:Coinvestigator(s) 

  4. 螺旋磁性体の磁気構造変化に関する研究

    Grant number:26800195  2014.4 - 2017.3

    科学研究費補助金事業  若手研究(B)

    長尾 全寛

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4030000

 

Teaching Experience (On-campus) 8

  1. Theory of Electromagnetics

    2020

  2. 電気磁気学基礎演習

    2020

  3. 電磁気学Ⅱ

    2020

  4. 電磁気学Ⅱ

    2018

  5. 電気磁気学基礎演習

    2018

  6. 電磁気学Ⅱ

    2017

  7. 電気磁気学基礎演習

    2017

  8. 基礎セミナーB

    2016

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Academic Activities 1

  1. 第29回日本MRS年次大会 Corresponding Organizer

    Role(s):Planning, management, etc., Panel moderator, session chair, etc.

    2019.11

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    Type:Competition, symposium, etc.