Nagai's publication

Orginal paper

  1. Single adatom dynamics at monatomic steps of free-standing few-layer reduced graphene
    Haixin Chang, Mitsuhiro Saito, Takuro Nagai, Yunye Liang, Yoshiyuki Kawazoe, Zhongchang Wang, Hongkai Wu, Koji Kimoto & Yuichi Ikuhara
  2. Non-nitrogen doped and non-metal oxyge reduction electrocatalysts based on carbon nanotubes: mechanism and origin of ORR activity
    Keiko Waki, Raymond A. Wong, Haryo S. Oktaviano, Takuya Fujio, Takuro Nagai, Koji Kimoto and Koichi Yamada
  3. Single crystallization of olivine lithium phosphate nanowires using oriented attachments
    J. Kikkawa, E. Hosono, M. Okubo, K. Kagesawa, H. Zhou, T. Nagai, and K. Kimoto
  4. Understanding Li-K edge structure and interband transitions in LixCoO2 by electron energy-loss spectroscopy
    J. Kikkawa, S. Terada, A. Gunji, M. Haruta, T. Nagai, K. Kurashima, and K. Kimoto
  5. Direct observation of atomic columns in a Bi-2223 polycrystal by aberration-corrected STEM using a low accelerating voltage
    Takuro Nagai, Mitsutaka Haruta, Masashi Kikuchi, Weizhu Zhang, Masaki Takeguchi, Koji Kimoto
  6. Quantitative evaluation of temporal partial coherence using 3D Fourier transforms of through-focus TEM images
    Koji Kimoto, Hidetaka Sawada, Takeo Sasaki, Yuta Sato, Takuro Nagai, Megumi Ohwada, Kazu Suenaga, and Kazuo Ishizuka
  7. A Rhombic Dodecahedral Honeycomb Structure with Cation Vacancy Ordering in a γ-Ga2O3 Crystal
    Mitome, Masanori; Kohiki, S; Takuro Nagai; Kurashima, Keiji; Kimoto, Koji; Bando, Yoshio
  8. Skyrmion flow near room temperature in an ultralow current density
    X.Z. Yu, N. Kanazawa,　W.Z. Zhang, T. Nagai, T. Hara, K. Kimoto,　Y. Matsui, Y. Onose　& Y. Tokura
  9. Assessment of lower-voltage TEM performance using 3D Fourier transform of through-focus series
    Koji Kimoto, Keiji Kurashima, Takuro Nagai, Megumi Ohwada, Kazuo Ishizuka
  10. HAADF-STEM study of chemical ordering in Al–Pd–Sc 1/1-crystal approximant
    Yeong-Gi So, Masahiro Nagao, Takuro Nagai, Koji Kimoto
  11. Formation of nanoscale magnetic bubbles in ferromagnetic insulating manganite La7/8Sr1/8MnO3
    T. Nagai, M. Nagao, K. Kurashima, T. Asaka, W. Zhang, and K. Kimoto
  12. Visualization of hybridization states with atomic resolution using electron energy loss spectroscopy mapping
    M. Haruta, K. Kurashima, T. Nagai, H. Komatsu, Y. Shimakawa, H. Kurata, and K. Kimoto
  13. Fabrication of self-masked InP nanopillars by electron cyclotron resonance ion etching
    D. Paramanik, T. Suzuki, N. Ikeda, T. Nagai, and C. V. Haesendonck
  14. Multiple-charge modulations in the ferromagnetic insulating state of lightly doped La1-xSrxMnO3
    T. Asaka, S. Mori, Y. Horibe, K. Takenaka, X. Z. Yu, T. Nagai, K. Kimoto, T. Hirayama, and Y. Matsui
  15. Effect of dimension on charge order domain in Ruddlesden-Popper manganites
    M. Nagao, T. Nagai, T. Hara and K. Kimoto
  16. Entanglement-free fibrils of aligned polyacetylene films that produce single nanofibers
    M. Kyotani, S. Matsushita, M. Goh, T. Nagai, Y. Matsui, and K. Akagi
  17. Self-organized structures of orbital-ordered domains in Nd1-xSr1+xMnO4
    T. Nagai, T. Kimura, T. Asaka, K. Kimoto, M. Takeguchi, and Y. Matsui
  18. Local crystal structure analysis with 10-pm accuracy using scanning transmission electron microscopy
    M. Saito, K. Kimoto, T. Nagai, S. Fukushima, D. Akahoshi, H. Kuwahara, Y. Matsui, and K. Ishizuka:
  19. Synthesis of Orthorhombic Mo-V-Sb Oxide Species by Assembly of Pentagonal Mo6O21 Polyoxometalate Building Blocks
    M. Sadakane, K. Yamagata, K. Kodato, K. Endo, K. Toriumi, Y. Ozawa, T. Ozeki, T. Nagai, Y. Matsui, N. Sakaguchi, W. D. Pyrz, D. J. Buttrey, D.A. Blom, T. Vogt, and W. Ueda
  20. Direct observation of the spin structures of vortex domain walls in ferromagnetic nanowires
    T. Nagai, H. Yamada, M. Konoto, M. Kawasaki, K. Kimoto, Y. Matsui, and Y. Tokura
  21. Helical carbon and graphitic films prepared from iodine-doped helical polyacetylene film using morphology-retaining carbonization
    M. Kyotani, S. Matsushita, T. Nagai, Y. Matsui, M. Shimomura, A. Kato, and K. Akagi
  22. Tubular-shaped nanocarbons prepared from polyaniline synthesized by a self-assembly process and their electrical conductivity
    M. Kyotani, H. Goto, K. Suda, T. Nagai, Y. Matsui, and K. Akagi
  23. Synthesis and structural properties of n=1 Ruddlesden-Popper manganites Nd1-xCa1+xMnO4
    T. Nagai, A. Yamazaki, K. Kimoto, and Y. Matsui
  24. Molybdenum-vanadium-based molecular sieves with microchannels of seven-membered rings of corner-sharing metal oxide octahedral
    M. Sadakane, K. Kodato, T. Kuranishi, Y. Nodasaka, K. Sugawara, N. Sakaguchi, T. Nagai, Y. Matsui, and W. Ueda
  25. Nanostructural evidence at the phase boundary of A- and C-type antiferromagnetic phases in Nd1-xSrxMnO3 crystals
    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
  26. Element-selective imaging of atomic columns in a crystal using STEM and EELS
    K. Kimoto, T. Asaka, T. Nagai, M. Saito, Y. Matsui, and K. Ishizuka
  27. Crystal structure analysis of Co-based layered cuprates CoSr2(Y1-xCax)Cu2O7+δ by transmission electron microscopy techniques
    T. Nagai, Y. Baba, M. Karppinen, T. Asaka, S. Alam, H. Yamauchi, A. Yamazaki, K. Kimoto, and Y. Matsui:
  28. Structural properties of carbon prepared from aligned polyacetylene thin films
    M. Kyotani, S. Matsushita, T. Nagai, Y. Matsui, and K. Akagi
  29. Diffuse phase transition and anisotropic evolution of nanodomains in Nd0.2Sr0.8MnO3
    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
  30. New misfit-layered cobalt oxide (CaOH)1.14CoO2
    M. Shizuya, M. Isobe, Y. Baba, T. Nagai, M. Osada, K. Kosuda, S. Takenouchi, Y. Matsui, and E. Takayama-Muromachi
  31. Variation of charge/orbital ordering in layered manganite Pr1-xCa1+xMnO4 investigated by transmission electron microscopy
    X. Z. Yu, R. Mathieu, T. Arima, Y. Kaneko, J. P. He, M. Uchida, T. Asaka, T. Nagai, K. Kimoto, A. Asamitsu, Y. Matsui, and Y. Tokura
  32. Strong pinning effect and magnetic nanodomain formation by coupling between magnetic and crystallographic domains in the ordered double perovskite Ba2FeMoO6
    T. Asaka, X. Z. Yu, Y. Tomioka, Y. Kaneko, T. Nagai, K. Kimoto, K. Ishizuka, Y. Tokura, and Y. Matsui
  33. Possible experimental signature of charge-orbital density waves in Nd1-xCa1+xMnO4: Heat capacity and magnetization study
    Sher Alam, A. T. M. N. Islam, T. Nagai, M. Xu, Javed Ahmad, Y. Matsui, and I. Tanaka
  34. Post-spinel transition and magnetic properties of LiMn2O4
    K. Yamaura, Q. Huang, L. Zhang, K. Takada, Y. Baba, T. Nagai, Y. Matsui, K. Kosuda, and E. Takayama-Muromachi
  35. Pinning effect of the antiphase and grain boundaries on magnetic domains in double perovskite A2FeMoO6
    X. Z. Yu, T. Asaka, Y. Tomioka, Y. Kaneko, M. Uchida, J. P. He, T. Nagai, K. Kimoto, Y. Matsui, and Y. Tokura
  36. Magnetic properties of the calcium ferrite-type Li0.92Mn2O4
    K. Yamaura, Q. Huang, L. Zhang, K. Takada, Y. Baba, T. Nagai, Y. Matsui, K. Kosuda, and E. Takayama-Muromachi
  37. Synthesis and structural properties of n=1 Ruddlesden-Popper manganites Nd1-xCa1+xMnO4
    T. Nagai, A. Yamazaki, K. Kimoto, and Y. Matsui
  38. Crystal structure of the parent misfit-layered cobalt oxide [Sr2O2]qCoO2
    T. Nagai, K. Sakai, M. Karppinen, T. Asaka, K. Kimoto, A. Yamazaki, H. Yamauchi, and Y. Matsui
  39. Crystal symmetry and superlattice reflections in spin-Peierls system TiOBr
    T. Sasaki, T. Nagai, K. Kato, M. Mizumaki, T. Asaka, M. Takata, Y. Matsui, H. Sawa, and J. Akimitsu
  40. Monoclinic phase of the misfit-layered cobalt oxide (Ca0.85OH)1.16CoO2
    M. Shizuya, M. Isobe, Y. Baba, T. Nagai, Y. Matsui, and E. Takayama-Muromachi
  41. Recent development of drastically innovative BSCCO wire (DI-BISCCO)
    M. Kikuchi, T. Kato, K. Ohkura, N. Ayai, J. Fujikami, K. Fujino, S. Kobayashi, E. Ueno, K. Yamazaki, S. Yamade, K. Hayashi, K. Sato, T. Nagai, and Y. Matsui
  42. Impurity effect in a novel spin-Peierls compound TiOBr
    T. Sasaki, M. Yamazawa, K. Takahashi, T. Nagai, T. Asaka, Y. Matsui, and J. Akimitsu
  43. Spinel-to-CaFe2O4-Type structural transformation in LiMn2O4 under high pressure
    K. Yamaura, Q. Z. Huang, L. Q. Zhang, K. Takada, Y. Baba, T. Nagai, Y. Matsui, K. Kosuda, and E. Takayama-Muromachi
  44. Incommensurate to commensurate phase transition in a new spin-Peierls system TiOBr
    T. Sasaki, M. Mizumaki, T. Nagai, T. Asaka, K. Kato, M. Takata, Y. Matsui, and J. Akimitsu
  45. Heat capacity study of β--FeSi2 single crystals
    S. Alam, T. Nagai, and Y. Matsui
  46. Amorphous-like interfacial layer between a high-Tc superconducting Tl-1223 film and a Ag substrate examined by high-voltage high-resolution transmission electron microscopy
    B. J. Kim, H. T. Kim, T. Nagai, Y. Matsui, S. Horiuchi, D. Y. Jeong, C. Deinhofer, G. Gritzner, Y. M. Kim, and Y. J. Kim
    Journal of the Korean Physical Society 48, 1155-1158 (2006)
  47. Hole doping into Co-12s2 copper oxides with s fluorite-structured layers between CuO2 planes
    H. Fjellvåg, Y. Morita, T. Nagai, J. M. Lee, J. M. Chen, R. S. Liu, B. C. Hauback, V. P. S. Awana, Y. Matsui, H. Yamauchi, and M. Karppinen
  48. BiScO3: Centrosymmetric BiMnO3-type oxide
    A. A. Belik, S. Iikubo, K. Kodama, N. Igawa, S. Shamoto, M. Maie, T. Nagai, Y. Matsui, S. Y. Stefanovich, B. I. Lazoryak, and E. Takayama-Muromachi
  49. High-pressure synthesis, crystal structures, and properties of perovskite-like BiAlO3 and pyroxene-like BiGaO3
    A. A. Belik, T. Wuernisha, T. Kamiyama, K. Mori, M. Maie, T. Nagai, Y. Matsui, and E. Takayama-Muromachi
  50. Parent of misfit-layered cobalt oxides: [Sr2O2]qCoO2
    H. Yamauchi, K. Sakai, T. Nagai, Y. Matsui, and M. Karppinen
  51. High critical-current density and ultra high-voltage TEM study of filamentary 0.1 at% Zr-doped (Nd0.33Eu0.38Gd0.28)Ba2Cu3Oxsuperconductors
    T. Goto, E. Sato, K. Watanabe, G. Nishijima, Y. Matsui, T. Nagai, and C. Tsuruta
  52. 0.23 eV energy resolution obtained using a cold field-emission gun and a streak imaging technique
    K. Kimoto, K. Ishizuka, T. Asaka, T. Nagai, and Y. Matsui
  53. Observation of magnetic ripple and nanowidth domains in a layered ferromagnet
    T. Asaka, T. Kimura, T. Nagai, X. Z. Yu, K. Kimoto, Y. Tokura, and Y. Matsui
  54. TEM study of the influence of antisite defects on magnetic domain structures in double perovskite Ba2FeMoO6
    X. Yu, T. Asaka, Y. Tomioka, C. Tsuruta, T. Nagai, K. Kimoto, Y. Kaneko, Y. Tokura, and Y. Matsui
  55. High-pressure synthesis, crystal structure determination, and a Ca substitution study of the metallic rhodium oxide NaRh2O4
    K. Yamaura, Q. Huang, M. Moldovan, D. P. Young, A. Sato, Y. Baba, T. Nagai, Y. Matsui, and E. Takayama-Muromachi
  56. High-Tc superconductivity in three-fluorite-layer copper oxides. I. (Hg, W)Sr2(Ce, Eu)3Cu2O11+δ
    T. Watanabe, M. Karppinen, T. Motohashi, T. Nagai, Y. Matsui, and H. Yamauchi
  57. High-Tc superconductivity in three-fluorite-layer copper oxides. II. (Cu, Mo)Sr2(Ce,Y)3Cu2O11+δ
    Y. Morita, T. Nagai, Y. Matsui, H. Yamauchi, and M. Karppinen
  58. Critical current density and ultra high-voltage transmission electron microscopic image for melt-processed fine filamentary EuBa2Cu3Ox superconductors
    T. Goto, K. Watanabe, E. Ban, Y. Matsui, T. Nagai, and T. Yokosawa
  59. Structure Order and Disorder in Co-Based Layered Cuprates CoSr2(Y, Ce)sCu2O5+2s (s=1-3)
    T. Nagai, V. P. S. Awana, E. Takayama-Muromachi, A. Yamazaki, M. Karppinen, H. Yamauchi, S. K. Malik, W. B. Yelon, and Y. Matsui
  60. Possible presence of charge-orbital density wave in layered manganites Nd1-xCa1+xMnO4
    T. Nagai, T. Kimura, A. Yamazaki, Y. Tomioka, K. Kimoto, Y. Tokura, and Y. Matsui
  61. Ferromagnetic domain structures and nanoclusters in Nd1/2Sr1/2MnO3
    T. Asaka, Y. Anan, T. Nagai, S. Tsutsumi, H. Kuwahara, K. Kimoto, Y. Tokura, and Y. Matsui
  62. Transversely modulated crystal structure of charge-orbital ordered manganites Nd1-xSr1+xMnO4 (x=2/3,3/4)
    T. Nagai, T. Kimura, A. Yamazaki, T. Asaka, K. Kimoto, Y. Tokura, and Y. Matsui
  63. Charge-orbital ordering and ferromagnetic chains in single-layered manganite crystals
    T. Kimura, K. Hatsuda, Y. Ueno, R. Kajimoto, H. Mochizuki, H. Yoshizawa, T. Nagai, Y. Matsui, A. Yamazaki, and Y. Tokura
  64. Order-disorder transition in (Cu0.5Cr0.5)Sr2CuOx under high-pressure and high-temperature conditions
    T. Drezen, S. M. Loureiro, T. Nagai, T. Asaka, Y. Matsui, A. Yamazaki, and E. Takayama-Muromachi
  65. Sintering of non-stoichiometric Nd1-xMnO3-y powders prepared by a coprecipitation method
    T. Nagai, A. Yamazaki, M. Uehara, K. Takahashi, S. and Tsutsumi
  66. Preparation of non-stoichiometric Nd1-xMnO3-y by coprecipitation method
    M. Uehara, T. Nagai, A. Yamazaki, K. Takahashi, and Tsutsumi
    Chemistry Letters, 6, 463-464 (1999)

 

Books

  1. Stacking manner of charge reservoir blocks in superconducting copper oxides
    T. Nagai, T. Yokosawa, K. Kimoto, and Y. Matsui
    Frontiers in Superconducting Materials, Springer, 589-618 (2005)
  2. Transmission electron microscopy study on manganese oxides
    T. Asaka, T. Nagai, K. Kimoto, and Y. Matsui
    Frontiers in Magnetic Materials, Springer, 71-96 (2005)

 

Internation symposium

  1. Sinusoidal structural modulation of charge-orbital ordered single-layered manganites
    T. Nagai, T. Kimura, K. Kimoto, Y. Matsui, and Y. Tokura
    1P-07, 2007 CERC International Symposium (2007)
  2. Crystal structure of the parent misfit-layered cobalt oxide [Sr2O2]qCoO2
    T. Nagai, K. Sakai, M. Karppinen, T. Asaka, K. Kimoto, A. Yamazaki, H. Yamauchi, and Y. Matsui
    P21-006, AsCA’06/CrSJ (2006)
  3. High resolution electron microscopy for strongly correlated electron materials (Invited). 5J-a5
    T. Nagai, T. Kimura, T. Asaka, A. Yamazaki, K. Kimoto, Y. Tokura, and Y. Matsui
    The 16th International Microscopy Congress (2006)
  4. Structural order and disorder in Co-based layered cuprate superconductors CoSr2AsCu2Ox (A=Y,Ce,Ca;< s=1-3)
    T. Nagai, V. P. S. Awana, E. Takayama-Muromachi, Y. Baba, A. Yamazaki, M. Karppinen, H. Yamauchi, K. Kimoto, and Y. Matsui
    P8M-156, The 16th International Microscopy Congress (2006)

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