Takao Matsumoto




Yayoi 2-11-16, Bunkyo-ku, Tokyo, Japan, 113-8656
Phone +81-3-5841-6229
Fax +81-3-5841-0849
mail: takao.matsumoto_sogo.t.u-tokyo.ac.jp(please insert @ instead of space)



Profile


2012 -           Senior Research Scientist, The University of Tokyo.
1988 - 2011    Senior Research Scientist,
                    Hitachi Advanced/Central Research Laboratory.
1997              Ph.D. The University of Tokyo.



Current Research



Physics and engineering of magnetic skyrmion


Applications of Magnetic field-free Atomic Resolution STEM (MARS)


Topological defects in ferroelectric/magnetic/multiferroic materials


Fundamental aspects of quantum mechanics unveiled by electron microscopy




Publication list



Papers

  1. “Application of Maximum Entropy Method (MEM) in In-Line Fresnel Electron Holography” T. Matsumoto, T. Tanji, and A. Tonomura Optik 97 (1994) pp.169-173.
  2. “Phase-Contrast Visualization of an Undecagold Cluster by In-Line Felectron Holography” T. Matsumoto, T. Tanji, and A. Tonomura Ultramicroscopy 54 (1994) pp.317-334.
  3. “Visualization of DNA in Solution by Fraunhofer In-Line Electron Holography: I. Simulation” T. Matsumoto Optik 99 (1995) pp.25-28.
  4. “Visualization of DNA in Solution by Fraunhofer In-Line Electron Holography: II. Experiments” T. Matsumoto, T. Tanji, and A. Tonomura Optik 100 (1995) pp.71-74.
  5. “The phase constancy of electron waves traveling through Boersch’s electrostatic phase plate” T. Matsumoto and A. Tonomura (1996) Ultramicroscopy 63 (1996) pp.5–10.
  6. “Ferroelectric 90° domain structure in a thin film of BaTiO3 fine ceramics observed by 300 kV electron holography” T. Matsumoto, M. Koguchi, K. Suzuki, H. Nishimura, Y. Motoyoshi, and N. Wada Applied Physics Letters 92 (2008) 072902.
  7. “Ferroelectric 180°a-a Nanostripe and Nanoneedle Domains in Thin Films of BaTiO3 prepared with FIB” T. Matsumoto and M. Okamoto Special Issue of IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (Invited), 57 (2010) pp. 2127-2133.
  8. “Effects of electron irradiation on the ferroelectric 180° in-plane nanostripe domain structure in a thin film prepared from bulk single crystal of BaTiO3 by FIB” T. Matsumoto and M. Okamoto Journal of Applied Physics, 109 (2011) 014104.
  9. “Effects of electron irradiation on the ferroelectric 180° in-plane nanostripe domain structure in a thin film prepared from bulk single crystal of BaTiO3 by FIB” T. Matsumoto and M. Okamoto Journal of Applied Physics, 109 (2011) 014104.
  10. “Direct visualization of the correlated atomic shift and tilting of MnO5 polyhedron in multiferroic hexagonal YMnO3 single crystal using a spherical aberration-corrected STEM” Takao Matsumoto, Ryo Ishikawa, Tetsuya Tohei, Naoya Shibata, Yuichi Ikuhara, Hideo Kimura, Qiwen Yao, Hongyang Zhao, Xiaolin Wang, Dapeng Chen, Zhenxiang Cheng Nano Letters 13 (2013) 4594-4601.
  11. “Direct observation of ∑7 domain boundary core structure in magnetic Skyrmion lattice” Takao, Matsumoto, Yeong-Gi, So, Yuji, Kohno, Hidetaka, Sawada, Yuichi, Ikuhara, and Naoya, Shibata Science Advances 2 (2016) e1501280.
  12. “Jointed magnetic skyrmion lattices at a small-angle grain boundary directly visualized by advanced electron microscopy” Takao, Matsumoto, Yeong-Gi, So, Yuji, Kohno, Hidetaka, Sawada, Ryo, Ishikawa, Yuichi, Ikuhara, and Naoya, Shibata Scientific Reports 6 (2016) 35880.
  13. 「セラミックス材料評価における透過型電子顕微鏡法の活用」 松元 隆夫、本吉 康弘 日本顕微鏡学会和文誌「顕微鏡」 第44巻1号pp.7-10 (2009)


Conference proceedings

  1. “Electron Holography of Frozen-hydrated Biological Specimen” T. Matsumoto, N. Osakabe, J. Endo, T. Matsuda, and A. Tonomura Proc. of the 49th Annual Meeting of Electron Microscopy Society of America, ed. By G.W. Bailey (San Francisco Press, San Francisco, CA, U.S.A. pp.686-687 (1991) San Jose, U.S.A.
  2. “A High-resolution Fraunhofer In-Line Electron Holography” T. Matsumoto, T. Tanji, and A. Tonomura Proc. of the 51st Annual Meeting of the Microscopy Society of America pp.1222-1223 (1993) Cincinnati, U.S.A.
  3. “A High-resolution Fraunhofer In-Line Electron Holography” T. Matsumoto, T. Tanji, and A. Tonomura Proc. of the 52nd Annual Meeting of the Microscopy Society of America pp.128-129 (1994) New Orleans, U.S.A.
  4. “Fraunhofer In-Line Electron Holography of Frozen-Hydrated DNA Superhelices” T. Matsumoto, T. Tanji, and A. Tonomura International Workshop on Electron Holography, August 29-31 (1994) Knoxville, U.S.A. Eds. A.Tonomura, L.F.Allard, G.Pozzi, D.C. Joy and Y.A. Ono, Electron Holograpy, North-Holland, Amsterdam 1995, pp.249-256.
  5. “Electron holography as a tool for dopant profile characterization of semiconductor devices” T. Matsumoto and M. Koguchi Proc. of 2004 MRS Fall Meeting, Boston, U.S.A.
  6. “A Microfabricated Boersch Phase Plate for Electron Microscopy” T. Matsumoto Proc. of the 32nd International Conference on Micro- and Nano-Engineering (MNE), Sep. 17-25 (2006), Barcelona, Spain
  7. “Electrostatic Structure of Ferroelectric Domain in a Thin Film of BaTiO3 Fine Ceramics Observed by 300-kV Electron Holography and Coulomb-deflection STEM” T. Matsumoto, M. Koguchi, K. Suzuki, H. Nishimura, Y. Motoyoshi, and N. Wada FEMMS2007, Sonoma City, CA, U.S.A
  8. “High-resolution pictures of nucleation growth triangle of 180° ferroelectric domain wall in a thin film of LiTaO3 obtained by Lorentz DPC-STEM” T. Matsumoto, Y. Takahashi, and M. Koguchi EMC2008 Proceedings of the 14th European Microscopy Congress, Aachen, Germany, Sep. 1-5, 2008; Richter, S.; Schwedt, A.; Eds.; Springer-Verlag: Berlin Heidelberg, 2008, Vol. 2, pp. 549-550.
  9. “TEM OBSERVATIONS AND PHASE-FIELD SIMULATIONS OF UNCONVENTIONAL FERROELECTRIC 180° NANOSTRIPE DOMAINS IN THIN FILMS PREPARED FROM A BULK SINGLE CRYSTAL OF BaTiO3 WITH FIB” T. Matsumoto and M. Okamoto Proceedings of the 2009 18th IEEE International Symposium on Applications of Ferroelectrics, Xi’an, China, Aug. 23-27, 2009; Ren, W.; Eds. pp. 51-54.
  10. “Direct Visualization of Magnetic Skyrmion by Aberration-Corrected Differential Phase Contrast Scanning Transmission Electron Microscopy” Takao, Matsumoto, Yeong-Gi, So, Yuji, Kohno, Hidetaka, Sawada, Yuichi, Ikuhara, and Naoya, Shibata EMC2016 Proceedings of the 16th European Microscopy Congress, Lyon, France, Aug. 28-Sep.2, 2016


Lectures (International)

  1. “Electron Holography of Frozen-hydrated Biological Specimen” T. Matsumoto, N. Osakabe, J. Endo, T. Matsuda, and A. Tonomura The 49th Annual Meeting of Electron Microscopy Society of America, Aug. (1991) San Jose, U.S.A.
  2. “A High-resolution Fraunhofer In-Line Electron Holography” T. Matsumoto, T. Tanji, and A. Tonomura The 51st Annual Meeting of the Microscopy Society of America, Aug. (1993) Cincinnati, U.S.A.
  3. “A High-resolution Fraunhofer In-Line Electron Holography” T. Matsumoto, T. Tanji, and A. Tonomura The 52nd Annual Meeting of the Microscopy Society of America, Aug. (1994) New Orleans, U.S.A.
  4. “Fraunhofer In-Line Electron Holography of Frozen-Hydrated DNA Superhelices” T. Matsumoto, T. Tanji, and A. Tonomura International Workshop on Electron Holography, Aug. (1994) Knoxville, U.S.A.
  5. “ELECTRON HOLOGRAPHY AS A TOOL FOR DOPANT PROFILE CHARACTERIZATION OF SEMICONDUCTOR DEVICES” T. Matsumoto and M. Koguchi 2004 MRS Fall Meeting, Dec. (2004) Boston, U.S.A.
  6. “A Microfabricated Boersch Phase Plate for Electron Microscopy” T. Matsumoto The 32nd International Conference on Micro- and Nano-Engineering (MNE), Sep. (2006), Barcelona, Spain
  7. “Electrostatic Structure of Ferroelectric Domain in a Thin Film of BaTiO3 Fine Ceramics Observed by 300-kV Electron Holography and Coulomb-deflection STEM” T. Matsumoto, M. Koguchi, K. Suzuki, H. Nishimura, Y. Motoyoshi, and N. Wada FEMMS2007, Sep. (2007) Sonoma City, CA, U.S.A
  8. “High-resolution pictures of nucleation growth triangle of 180° ferroelectric domain wall in a thin film of LiTaO3 obtained by Lorentz DPC-STEM” T. Matsumoto, Y. Takahashi, and M. Koguchi EMC2008, Sep. (2008) Aachen, Germany
  9. “TEM observations and phase-field simulations of unconventional ferroelectric 180° nanostripe domains in thin films prepared from a bulk single crystal of BaTiO3 with FIB” T. Matsumoto and M. Okamoto IMF-ISAF-2009, Aug. (2009) Xiian, China
  10. “Low-voltage Electron Holographic Characterization of Natural Graphene Origami” T. Matsumoto, Gordon Research Conference on Microfabrication, Jul. (2010), Tilton, NH, U.S.A.
  11. “Direct Visualization of the Correlated Atomic Shift and Tilting of MnO5 Polyhedron in Multiferroic Hexagonal YMnO3 Single Crystal using Aberration-Corrected STEM” Takao Matsumoto, Ryo Ishikawa, Tetsuya Tohei, Naoya Shibata, Yuichi Ikuhara, Hideo Kimura, Qiwen Yao, Hongyang Zhao, Xiaolin Wang, Dapeng Chen, Zhenxiang Cheng SCANDEM 2013, 2013.6.10-14. Copenhagen, Denmark
  12. “Zoom into the multiferroic vortex core in a hexagonal YMnO3 single crystal by an aberration-corrected TEM: a direct visualization of the topological vortex core pinned by another topological defect on the atomic scale” Takao Matsumoto, Ryo Ishikawa, Tetsuya Tohei, Hideo Kimura, Qiwen Yao, Hongyang Zhao, Xiaolin Wang, Dapeng Chen, Zhenxiang Cheng, Naoya Shibata, and Yuichi Ikuhara FEMMS 2013, 2013.9.8-13. Mantra Lorne, Australia
  13. “Direct Visualization of Magnetic Skyrmion by Aberration-Corrected Differential Phase Contrast Scanning Transmission Electron Microscopy” Takao, Matsumoto, Yeong-Gi, So, Yuji, Kohno, Hidetaka, Sawada, Yuichi, Ikuhara, and Naoya, Shibata EMC2016 Proceedings of the 14th European Microscopy Congress, Lyon, France, Aug. 28-Sep.2, 2016


Lectures (Domestic)

  1. 「電子顕微鏡による半導体ドーパント分布評価手法」 NanoTech展、幕張メッセ、東京 2005.02.23
  2. 「電子線ホログラフィーによる半導体ドーパントプロファイルの評価」 学振ナノプローブテクノロジー第167委員会第39回研究会、東京工業大学、東京 2005.07.28
  3. 「電子線ホログラフィーによるドーパント分布解析」 第21回分析電子顕微鏡討論会、幕張メッセ、東京 2005.08.30
  4. 「電子線ホログラフィーによるドーパントプロファイルの可視化」 第63回日本顕微鏡学会学術講演会、朱鷺メッセ、新潟 2007.05.22
  5. 「ローレンツDPC-STEM法による強誘電体分極反転構造の観察」 日本顕微鏡学会第64回学術講演会、京都国際会館、京都 2008.05.21
  6. 「電子顕微鏡による強誘電体ドメインの観察」 誘電体研究委員会第101回定例会、東京理科大学、東京 2008.07.18
  7. 「チタン酸バリウム単結晶薄膜内部のドメイン構造のTEM観察とTDGLシミュレーション」 日本顕微鏡学会第65回学術講演会、東北大学、仙台 2009.05.25
  8. 「TEMによるセラミックス(強誘電体)材料の解析」 日本顕微鏡学会関東支部第34回講演会、帝京大学、東京 2010.03.20
  9. 「球面収差補正STEMを用いたマルチフェロイック分極ドメイン界面の原子構造直接観察」 日本顕微鏡学会第69回講演会、ホテル阪急、大阪 2013.05.22
  10. 「人工的に転位を導入した六方晶YMnO3薄膜中のstring状分極ドメインの直接観察」 日本顕微鏡学会第70回講演会、幕張メッセ、千葉 2014.05.13
  11. 「微分位相コントラスト(DPC)STEM法による磁気スキルミオンの直接観察」 日本顕微鏡学会第71回講演会、京都国際会議場、京都 2015.05.14
  12. 「DPC STEM法による磁性材料観察」 材料の微細組織と機能性第133委員会第228回研究会、JR博多シティ、福岡 2015.09.19
  13. 「微分位相コントラスト(DPC)STEM法による磁気スキルミオン格子分域の直接観察」 日本顕微鏡学会第72回講演会、仙台国際センター、宮城 2016.06.14-16


Patents

     出願番号  出願国                             発明の名称
特07-340270日本位相差電子顕微鏡およびその位相板
特08/768355米国位相差電子顕微鏡およびその位相板
特05814815米国位相差電子顕微鏡およびその位相板
特10-366338日本微細加工方法、磁気力顕微鏡用プローブおよび電場センサ
特09/464441米国微細加工方法、磁気力顕微鏡用プローブおよび電場センサ
特06387851米国微細加工方法、磁気力顕微鏡用プローブおよび電場センサ
特2001-310858日本収束荷電粒子線加工方法および収束荷電粒子線加工装置
特2003-381951日本二次元配列構造体基板および該基板から剥離した微粒子
特2004-108643日本走査電子線干渉計測方法、および透過電子顕微鏡
特2004-357539日本走査干渉電子顕微鏡
特07417227米国走査干渉電子顕微鏡
特2005-148899日本透過型干渉電子顕微鏡
特2005-294276日本磁性電子顕微鏡
特07518111米国磁性電子顕微鏡
特2007-050921日本透過型電子顕微鏡
特2007-006162日本電子顕微鏡
特2007-305380日本走査透過型電子顕微鏡