Paper

  1. Photon energy dependence of graphene oxide reduction by soft X-ray irradiation and atomic hydrogen annealing
    Akira Heya, Akinori Fujibuchi, Masahiro Hirata, Yoshiaki Matsuo, Junichi Inamoto, Kazuhiro KANDA, Koji Sumitomo
    Jpn. J. Appl. Phys. Accepted.
  2. X-ray multi-scale microfabrication system and x-ray imaging evaluation system all in one beamline
    Kanta Yamamoto, Yuichi Utsumi, Ikuya Sakura  Ikuo Okada, Kenji Hanada, Hidehiro Ishizawa, Masahiro Takeo, Taki Watanabe, Sho Amano, Satoru Suzuki, Koji Sumitomo, Akinobu Yamaguchi
    J. Vac. Sci. Technol. B 41, 062602 (2023).
  3. Surface Treatment of Aluminum Oxide Using Atomic Hydrogen Generated by Catalytic Reaction on Heated Tungsten
    Ryo Yamasaki, Akira Heya, Naoto Matsuo, Koji Sumitomo
    e-J. Surf. Sci. Nanotechnol. 21, 46−54 (2023).
  4. Influence of the gate voltage or the base pair ratio modulation on the λ-DNA FET performance
    Naoto Matsuo, Akira Heya, Kazushige Yamana, Koji Sumitomo, Tetsuo Tabei
    IEICE TRANS. ELECTRON Advance online publication: August 08, 2023.
  5. Effects of underlayer on the reduction of graphene oxide through atomic hydrogen annealing and soft X-ray irradiation
    Akira Heya1, Akinori Fujibuchi, Masahiro Hirata, Kazuhiro Kanda, Yoshiaki Matsuo, Junichi Inamoto, Koji Sumitomo
    Jpn. J. Appl. Phys. 62, SC1028 (2023).
  6. Mechanism of Budded Virus Envelope Fusion into a Planar Bilayer Lipid Membrane on a SiO2 Substrate
    Azusa Oshima, Kohei Nakanishi, Nahoko Kasai, Hiroshi Nakashima, Kanta Tsumoto, Koji Sumitomo
    Langmuir 38, 5464 (2022).
  7. Surface Cleaning and Modification of Oxide Films by Atomic Hydrogen Annealing
    Akira Heya, Koji Sumitomo
    J. Photopolym. Sci. Technol. 35, 351-357 (2022).
  8. Effects of Ge and Ni catalytic underlayers to nanographene synthesis from pentacene-based film via soft X-ray irradiation
    Akira Heya, Kazuhiro Kanda, Ryo Yamasaki and Koji Sumitomo
    Jpn. J. Appl. Phys. 61, SC1057 (2022).
  9. Selective arrangement of vesicles on artificial lipid membrane by biotin-avidin interaction
    Kai Hashino, Daiya Mombayashi, Yuto Nakatani, Azusa Oshima, Masumi Yamaguchi, Akira Heya, and Koji Sumitomo
    Jpn. J. Appl. Phys. 61, 037002 (2022).
  10. Factors Facilitating Fusion between Dye-encapsulating Vesicles and Giant Unilamellar Vesicles
    Daiya Mombayashi, Ami Yasuhara, Kai Hashino, Akira Heya, and Koji Sumitomo
    Sensors and Materials 33, 4361 (2021).
  11. Effect of atomic hydrogen exposure on hydrogenated amorphous carbon thin films
    Yuichi Haruyama, Daiki Morimoto, Akira Heya, Koji Sumitomo, Seigo Ito, Kumiko Yokota, and Masahito Tagawa
    Jpn. J. Appl. Phys. 60, 125504 (2021).
  12. Nanographene synthesis on metal film using pentacene, H2 gas and heated W mesh at low temperature
    Akira Heya and Koji Sumitomo
    Jpn. J. Appl. Phys. 60, SBBK09 (2021).
  13. Soft X-ray absorption and emission spectra of nanographene prepared from pentacene with hot mesh deposition and soft X-ray irradiation
    Akira Heya, Masahito Niibe, Kazuhiro Kanda, Ryo Yamasaki, and Koji Sumitomo
    Jpn. J. Appl. Phys. 60, 045506 (2021).
  14. Removal of Surface Contamination by Atomic Hydrogen Annealing
    Akira Heya, Tetsuo Harada, Masahito Niibe, Koji Sumitomo, and Takeo Watanabe
    J. Photopolymer Sci. Tech. 33, 419-426 (2020).
  15. Biodevices using microwells sealed with artificial lipid bilayers: Improvement of sealing performance by protein coating
    Yoshiaki Kashimura, Koji Sumitomo, Hiroshi Nakashima
    Electronics and Communications in Japan, 103 15-22 (2020).
    (Translated from IEEJ Transactions on Electronics, 140, 426-431 (2020).)
  16. Phase separation in freestanding bilayer lipid membrane induced by osmotic pressure difference
    Azusa Oshima, Hiroshi Nakashima, Koji Sumitomo
    Jpn. J. Appl. Phys. 59, 027001 (2020).
  17. Evaluation of lateral diffusion of lipids in continuous membrane between freestanding and supported areas by fluorescence recovery after photobleaching
    Azusa Oshima, Hiroshi Nakashima, Koji Sumitomo
    Langmuir 35, 11725 (2019).
  18. Observation of intracellular protein localization area in a single neuron using gold nanoparticles with a scanning electron microscope
    Toichiro Goto, Nahoko Kasai, Roxana Filip, Koji Sumitomo, and Hiroshi Nakashima
    Micron 126, 102740 (2019).
  19. Control of phase separation in freestanding lipid bilayer over microwells
    Yuto Nakatani, Kano Kawahara, Koki Harada, Azusa Oshima, Hiroshi Nakashima, Koji Sumitomo
    Japanese Journal of Applied Physics 58, SIID06 (2019).
  20. Liquid-Ordered/Liquid-Crystalline Phase Separation at a Lipid Bilayer Suspended over Microwells
    Koji Sumitomo and Azusa Oshima
    Langmuir 33, 13277 (2017).
  21. Vesicle fusion with bilayer lipid membrane controlled by electrostatic interaction
    Azusa Oshima and Koji Sumitomo
    Biochemistry and Biophysics Reports 11, 58 (2017).
  22. Mobile Silk Fibroin Electrode for Manipulation and Electrical Stimulation of Adherent Cells
    Tetsuhiko Teshima, Hiroshi Nakashima, Nahoko Kasai, Satoshi Sasaki, Aya Tanaka, Shingo Tsukada, and Koji Sumitomo
    Advanced Functional Materials 26, 8185 (2016).
  23. Neuronal Growth on a-Si and Au Nanopillars
    Nahoko Kasai, Rick Lu, Roxana Filip, Toichiro Goto, Aya Tanaka, and Koji Sumitomo
    Electrochemistry 84, 296 (2016).
  24. A DNA aptamer recognizing a malaria protein biomarker can function as part of a DNA origami assembly
    Maia Godonoga, Ting-Yu Lin, Azusa Oshima, Koji Sumitomo, Marco S. L. Tang, Yee-Wai Cheung, Andrew B. Kinghorn, Roderick M. Dirkzwager, Cunshan Zhou, Akinori Kuzuya, Julian A. Tanner and Jonathan G. Heddle
    Scientific Reports 6, 21266 (2016).
  25. Scanning Electron Microscopy Observation of Interface Between Single Neurons and Conductive Surfaces
    Toichiro Goto, Nahoko Kasai, Rick Lu, Roxana Filip, and Koji Sumitomo
    Journal of Nanoscience and Nanotechnology 16, 3383-3387 (2016)
  26. Hermetically sealed microwell with a lipid bilayer created using a self-assembled monolayer
    Ruaridh Forbes, Yoshiaki Kashimura, Koji Sumitomo
    Applied Physics Express 8, 117201 (2015).
  27. Time-lapse imaging of morphological changes in a single neuron during the early stages of apoptosis using scanning ion conductance microscopy
    Aya Tanaka, Ryosuke Tanaka, Nahoko Kasai, Shingo Tsukada, Takaharu Okajima, and Koji Sumitomo
    Journal of Structural Biology 191, 32 (2015).
  28. Electrostatically Induced Planar Lipid Membrane Formation on a Cationic Hydrogel Array by the Fusion of Small Negatively Charged Unilamellar Vesicles
    Aya Tanaka, Hiroshi Nakashima, Yoshiaki Kashimura, Koji Sumitomo
    Colloids and Surfaces A: Physicochemical and Engineering Aspects 477, 63 (2015).
  29. Electrostatic control of the dynamics of lipid bilayer self-spreading using a nanogap gate
    Yoshiaki Kashimura, Koji Sumitomo, Kazuaki Furukawa
    Materials Research Express 1, 035404 (2014).
  30. Fabrication of a Ring Structure at the Aperture of a Hole for the efficient Suspension of Lipid Bilayer
    Toichiro Goto, Yuichi Harada, David Cox, Koji Sumitomo
    Jpn. J. Appl. Phys. 53, 096503 (2014).
  31. Observation of Neuronal Death In Vitro by SEM and Optical Microscopy
    Nahoko Kasai, Rick Lu, Touichiro Goto, Aya Tanaka, Shingo Tsukada, Yuichi Harada, Koji Sumitomo
    e-Journal of Surface Science and Nanotechnology 12, 179-184 (2014).
  32. Ligand-induced structural changes in a membrane-reconstituted ion channel observed with atomic force microscopy
    Youichi Shinozaki, Aya Tanaka, Nahoko Kasai, Keiichi Torimitsu, Koji Sumitomo
    Applied Physics Express 7, 027001 (2014).
  33. Formation of a suspended lipid membrane on a microcavity covered by a thin SiO2 layer with a nanohole array
    Aya Tanaka, Yoshiaki Kashimura, Eiichi Kuramochi, Koji Sumitomo
    Applied Physics Express 7, 017001 (2014).
  34. Fabrication of a gel-supported lipid membrane array on a silicon substrate
    Aya Tanaka,Hiroshi Nakashima,Yoshiaki Kashimura,Koji Sumitomo
    Jpn. J. Appl. Phys. 53, 01AF02 (2014).
  35. Gold Nanoparticle-Induced Formation of Artificial Protein Capside
    Ali D. Malay, Jonathan G. Heddle, Satoshi Tomita, Kenji Iwasaki, Naoyuki Miyazaki, Koji Sumitomo, Hisao Yanagi, Ichiro Yamashita, Yukiharu Uraoka
    NanoLetters 12, 2056 (2012).
  36. Ca2+ Ion Transport through Channels Formed by α-Hemolysin Analyzed Using a Microwell Array on a Si Substrate
    Koji Sumitomo, Arianna McAllister, Yukihiro Tamba, Yoshiaki Kashimura, Aya Tanaka, Youichi Shinozaki, Keiichi Torimitsu
    Biosensors and Bioelectronics 31, 445 (2012).
  37. Examination of Ion Channel Protein Orientation in Supported Lipid Bilayers
    Youichi Shinozaki, Koji Sumitomo, Aya Tanaka, Nahoko Kasai, Keiichi Torimitsu
    Applied Physics Express 4, 107001 (2011).
  38. Confinement of Fluorescent Probes in Microwells on Si Substrates by Sealing with Lipid Bilayers
    Koji Sumitomo, Yukihiro Tamba, Youichi Shinozaki, Keiichi Torimitsu
    Applied Physics Express 3, 107001 (2010).
  39. Pattern Formation and Molecular Transport of Histidine-Tagged GFPs Using Supported Lipid Bilayers
    Hiroshi Nakashima, Kazuaki Furukawa, Yoshiaki Kashimura, Koji Sumitomo, Youichi Shinozaki, Keiichi Torimitsu
    Langmuir 26, 12716 (2010).
  40. Visualization of single membrane protein structure in stretched lipid bilayer suspended over nanowells
    Youichi Shinozaki, Koji Sumitomo, Kazuaki Furukawa, Hidetoshi Miyashita, Yukihiro Tamba, Nahoko Kasai, Hiroshi Nakashima, Keiichi Torimitsu
    Applied Physics Express 3, 027002 (2010).
  41. A Self-assemble Protein Nanotube with a High Aspect Ratio
    J. G. Heddle, F. F. Miranda, J. R. H. Tame, Satoko Akashi, Kenji Iwasaki, Koji Sumitomo, Ichiro Yamashita, Mime Kobayashi
    Small 5, 2077 (2009).
  42. Atomic Force Microscopy Observation of Membrane Proteins Suspended over Carbon Nanotube Network
    Koji Sumitomo, Youichi Shinozaki, Daisuke Takagi, Hiroshi Nakashima, Yoshihiro Kobayashi, Keiichi Torimitsu
    Jpn. J. Appl. Phys. 48, 08JB18 (2009).
  43. Direct Observation of ATP-Induces Conformational Changes in Single P2X4 Receptors
    Youichi Shinozaki, Koji Sumitomo, Makoto Tsuda, Schuichi Koizumi, Kazuhide Inoue, Keiichi Torimitsu
    PLoS Biology 7, e1000103 (2009)
  44. Effect of Ca2+ on vesicle fusion on solid surface: An in vitro model of protein-accelerated vesicle fusion
    Youichi Shinozaki, Ari M. Siitonen, Koji Sumitomo, Kazuaki Furukawa, Keiichi Torimitsu
    Jpn. J. Appl. Phys. 47, 6164 (2008).
  45. Elastic modulus of suspended purple membrane measured by atomic force microscopy
    Ari. M. Siitonen, Koji Sumitomo, Chandra S. Ramanujan, Youichi Shinozaki, Nahoko Kasai, Kazuaki Furukawa, John F. Ryan, Keiichi Torimitsu
    Applied Surface Science 254, 7877 (2008).
  46. Reversible Defect Engineering of Single-Walled Carbon Nanotubes using Scanning Tunneling Microscopy
    Maxime Berthe, Shouji Yoshida, Yuta Ebine, Ken Kanazawa, Arifumi Okada, Atsushi Taninaka, Osamu Takeuchi, N. Fukui, H. Shinohara, S. Suzuki, K. Sumitomo, Y. Kobayashi, Bruno Grandidier, Didier Stiévenard and Hidemi Shigekawa
    NanoLetters 7, 3623 (2007).
  47. Effect of UV/Ozone Treatment on Nanogap Electrodes for Molecular Devices
    Touichiro Goto, Hiroshi Inokawa, Masao Nagase, Yukinori Ono, Koji Sumitomo, and Keiichi Torimitsu
    Jpn. J. App. Phys. 46, 1731 (2007).
  48. Self-assembly of vesicle nanoarrays on Si: A potential route to high-density functional protein arrays
    C. S. Ramanujan, K. Sumitomo, M. R. R. de Planque, H. Hibino, K. Torimitsu, J. F. Ryan
    Appl. Phys. Lett. 90, 033901 (2007).
  49. Supported Lipid Bilayer Self-Spreading on a Nanostructured Silicon Surface
    Kazuaki Furukawa, Koji Sumitomo, Hiroshi Nakashima, Yoshiaki Kashimura, and Keiichi Torimitsu
    Langmuir 23, 367 (2007).
  50. Real-time imaging of DNA-Streptavidin complex formation in solution using high-speed Atomic Force Microscopy
    Mime Kobayashi, Koji Sumitomo, and Keiichi Torimitsu
    Ultramicroscopy 107, 184 (2007).
  51. First steps towards the development of a new bio-optoelectronic device with a functioning protein on a silicon substrate
    Koji Sumitomo, Hiroshi Nakashima, Mime Kobayashi, Keiichi Torimitsu, Ramanujan Chandra, and John F. Ryan
    NTT Technical Review Vol.4, No.9, 40 (2006).
  52. Multistable features of boronized interstitial-pentamers on Si(113) surfaces
    Zhaohui Zhang, Zhenghui Liu, Koji Sumitomo, and Xing Zhu
    Surface and Interface Analysis 38, 1078 (2006).
  53. Molecular-mediated single-electron devices operating at room temperature
    Touichiro Goto, Katsuhiko Degawa, Hiroshi Inokawa, Kazuaki Furukawa, Hiroshi Nakashima, Koji Sumitomo, Takafumi Aoki, and Keiichi Torimitsu
    Jpn. J. Appl. Phys. 45, 4286 (2006).
  54. Observation of B segregation on Si(113) by scanning tunneling microscopy
    Zhaohui Zhang, Koji Sumitomo, and Feng Lin
    Ultramicroscopy 105, 16 (2005).
  55. Electrode performance of layered LiNi0.5Ti0.5O2 prepared by ion exchange
    Masayuki Tsuda, Hajime Arai, Masaya Takahashi, Hideaki Ohtsuka, Yoji Sakurai, Koji Sumitomo, Hiroyuki Kageshima
    J. Power Sources 144, 183 (2005).
  56. Boronizing structures of Si(113) surfaces
    Zhaohui Zhang, Koji Sumitomo
    Surf. Sci. 576, 83 (2005).
  57. STM observations of three-dimensional Ge islands on Si(111) surfaces with different step orientations and step-bunching conditions
    Feng Lin, Koji Sumitomo, Yoshikazu Homma, Toshio Ogino
    Surf. Sci. 562, 15 (2004).
  58. Selective formation of Ge nanostructures on Si(111) surface with patterned steps
    Koji Sumitomo, Feng Lin, Yoshikazu Homma, Toshio Ogino
    Appl. Surf. Sci. 237, 68 (2004).
  59. Structure transition of Ge/Si(113) surfaces during Ge epitaxial growth
    Zhaohui Zhang, Koji Sumitomo, Feng Lin, Hiroo Omi, Toshio Ogino
    Physica E 24, 157 (2004).
  60. Ge molecular beam epitaxy on Si(113): surface structures, nanowires and nanodots
    Zhaohui Zhang, Koji Sumitomo, Hiroo Omi, Toshio Ogino and Xing Zhu
    Surface and Interface Analysis 36, 114 (2004).
  61. Anisotropic strain relaxation of Ge nanowires on Si(113) studied by medium-energy ion scattering
    Koji Sumitomo, Hiroo Omi, Zhaohui Zhang, and Toshio Ogino
    Phys. Rev. B 67, 035319 (2003).
  62. Luminescent Nanoring Structures on Silicon
    Kuniyil Prabhakaran, Florian Meneau, Gopinathan Sankar, Koji Sumitomo, Tooru Murashita, Yoshikazu Homma, G. Neville Greaves, and Toshio Ogino
    Adv. Mater. 15, 1522 (2003).
  63. Structural stability of the Ge/Si(113)-2x2 surface
    Jun Nakamura, Zhaohui Zhang, Koji Sumitomo, Hiroo Omi, Toshio Ogino, Akiko Natori
    Appl. Surf. Sci. 212-213, 724 (2003).
  64. Proof of kinetic influence in Ge nanowire formation on Si(113)
    K. Sumitomo, Z. Zhang, H. Omi, D. J. Bottomley, T. Ogino
    J. Cryst. Growth 237-239, 1904 (2002).
  65. Structure change of Ni(1 ML)/Si(111) by post-annealing observed by atomic force microscopy, ion scttering and photoelectron spectroscopy
    Y. Hoshino, T. Nishimura, Y. Taki, Y. Asami, K. Sumitomo, Y. Kido
    Surf. Sci. 511, 112 (2002).
  66. Atomic Structures of the Ge/Si(113)-(2x2) Surface
    Zhaohui Zhang, Koji Sumitomo, Hiroo Omi, Toshio Ogino, Jun Nakamura, and Akiko Natori
    Phy. Rev. Lett. 88, 256101 (2002).
  67. Influences of the Si(113) anisotropy on Ge nanowire formation and related island shape transition
    Zhaohui Zhang, Koji Sumitomo, Hiroo Omi, Toshio Ogino
    Surf. Sci. 497, 93 (2002).
  68. Design of Si surfaces for self-assembled nanoarchitecture
    T. Ogino, Y. Homma, Y. Kobayashi, H. Hibino, K. Prabhakaran, K. Sumitomo, H. Omi, S. Suzuki, T. Yamashita, D.J. Bottomley, F. Lin, A. Kaneko
    Surf. Sci. 514, 1 (2002).
  69. Observation of incomplete surface melting of Si using medium-energy ion scattering spectroscopy
    K. Sumitomo, H. Hibino, Y. Homma, and T. Ogino
    Jpn. J. Appl. Phys. 39, 4421 (2000).
  70. Surface segregation and interdiffusion of Ge on Si(001) studied by medium-energy ion scattering
    K. Sumitomo, K. Shiraishi, Y. Kobayashi, T. Ito, and T. Ogino
    Thin Solid Films 369, 112 (2000).
  71. Nano-interface engineering of Co/Ge/Si systems: metal incorporation into Ge quantum dots and SiO2/Si structures
    K. Prabhakaran, K. Sumitomo, T. Ogino
    Appl. Surf. Sci. 159-160, 492 (2000).
  72. Ion-induced electron emission from Si crystal targets covered with noncrystalline Si layers
    H. Kudo, N. Nakamura, K. Shibuya, K. Narumi, S. Yamamoto, H. Naramoto, K. Sumitomo, S. Seki
    Nucl. Instr. and Meth. B 168, 181 (2000).
  73. Ion-induced electron measurements using crystal targets overlaid with noncrystalline layers
    H. Kudo, S. Seki, K. Sumitomo, K. Narumi, S. Yamamoto, H. Naramoto
    Nucl. Instr. and Meth. B 164-165,897 (2000).
  74. Ge segregation mechanism during Si/Ge multilayer growth
    K. Sumitomo, Y. Kobayashi, T. Ito, and T. Ogino
    Thin Solid Films 357, 76 (1999).
  75. Control of surface composition on Ge/Si(001) by atomic hydrogen irradiation
    Y. Kobayashi, K. Sumitomo, K. Shiraishi, T. Urisu, T. Ogino
    Surf. Sci. 436, 9 (1999).
  76. Oxidation of cobalt pre-reacted SiGe epilayer grown on Si(100)
    K. Prabhakaran, K. Sumitomo, T. Ogino
    Surf. Sci. 429, 274 (1999).
  77. Observation of Ge surface segregation during Si-MBE on Ge/Si(001) probed by Si-H/Ge-H surface vibrations
    Y. Kobayashi, K. Sumitomo, T. Ogino
    Surf. Sci. 427-428, 229 (1999).
  78. Fabrication and Integration of Nanostructures on Si Surfaces
    T. Ogino, H. Hibino, Y. Homma, Y. Kobayashi, K. Prabhakaran, K. Sumitomo, and H. Omi
    Acc. Chem. Res. 32, 447 (1999).
  79. Interaction of Co with SiGe epilayer grown on Si(100)
    K. Prabhakaran, K. Sumitomo, T. Ogino
    Surf. Sci. 421, 100 (1999).
  80. Dimer Structures of Ge/Si(001) and Sb/Si(001) Studied by Medium-Energy Ion Scattering
    Koji Sumitomo, Takashi Nishioka, and Toshio Ogino
    Appl. Surf. Sci. 130-132, 133 (1998).
  81. Disordering of Si(111) at high temperatures
    H. Hibino, K. Sumitomo, T. Fukuda, Y. Homma, and T. Ogino
    Phys. Rev. B 58, 12587 (1998).
  82. Twinned epitaxial layers formed on Si(111)R3xR3-B
    H. Hibino, K. Sumitomo, and T. Ogino
    J. Vac. Sci. Technol. A 16, 1934 (1998).
  83. Growth process of twinned epitaxial layers on Si(111)R3xR3-B and their thermal stability
    H. Hibino, K. Sumitomo, and T. Ogino
    Appl. Surf. Sci. 130-132, 41 (1998).
  84. Ion-induced electron emission from crystal targets with noncrystalline overlayers
    A. Sakamoto, H Kudo, T. Ishihara, S. Seki, and K. Sumitomo
    Nucl. Instr. and Meth. B 140, 47 (1998).
  85. Energy Loss and Straggling for 50- and 100-keV H+ Ions Passing through the Si(001)2x1-Sb Surface
    Koji Sumitomo, Takashi Nishioka, Atsushi Ikeda, and Yoshiaki Kido
    Phys. Rev. B 56, 7011 (1997).
  86. Structure Analysis of Ge Dimer on Si(001) by MEIS Blocking Profiles from Embedded Ge Layers
    Koji Sumitomo, Takashi Nishioka, and Toshio Ogino
    J. Vac. Sci Technol. A 15, 1537 (1997).
  87. Intermixing at Ge/Si(001) interfaces studied by surface energy loss of medium energy ion scattering
    A. Ikeda, K. Sumitomo, T. Nishioka, T. Yasue, T. Koshikawa, and Y. Kido
    Surf. Sci. 385, 200 (1997).
  88. Formation of buried epitaxial CoSi2 layer through diffusion mediated reaction
    K. Prabhakaran, K. Sumitomo, and T. Ogino
    Appl. Surf. Sci. 117/118, 280 (1997).
  89. Fabrication of multi-level buried oxide layers by oxygen-ion-implantation into Si/Ge multilayers
    T. Ogino, Y. Kobayashi, K. Prabhakaran, and K. Sumitomo
    Mat. Res. Soc. Symp. Proc. 438, 211 (1997).
  90. Fabrication of buried epitaxial CoSi2 layer through selective diffusion
    K. Prabhakaran, K. Sumitomo, and T. Ogino
    Appl. Phys. Lett. 70, 607 (1997).
  91. Structure Analysis of GaAs(001)-2x4 Surface Using Medium Energy Ion Scattering
    Koji Sumitomo, Hiroshi Yamaguchi, Yukihiro Hirota, Takashi Nishioka, and Toshio Ogino
    Surface Science 355, L361 (1996).
  92. Atomic Structure Analysis of the Interfaces in Si/Ge Superlattices
    Koji Sumitomo, Takashi Nishioka, and Toshio Ogino
    Applied Surface Science 100/101. 503 (1996).
  93. Preparation and characterization of a well-ordered surface on a Si(001) substrate with a buried metal layer for application of infrared reflection spectroscopy
    Yoshihiro Kobayashi, Koji Sumitomo, Kuniyil Prabhakaran, and Toshio Ogino
    J. Vac. Sci. Technol. A 14, 2263 (1996).
  94. Thermal Effects on Surface Fermi Level for GaAs(001) Surface Prepared by DODIW Treatment
    Yukihiro Hirota and Koji Sumitomo
    J. Appl. Phys. 79, 7785 (1996).
  95. Stopping Powers and Energy Straggling for 50 - 300 keV H+ in Amorphous Si and Ge Films
    A. Ikeda, Y. Kido, K. Sumitomo, and T. Nishioka
    Nucl. Instr. and Meth. B 115, 34 (1996).
  96. Diffusion Mediated Chemical Reaction in Co/Ge/Si(100) Forming Ge/CoSi2/Si(100)
    K. Prabhakaran, K. Sumitomo, and T. Ogino
    Appl. Phys. Lett. 68, 1241 (1996).
  97. Interface Structure of Ge/Si(111) during Solid-Phase Epitaxy Studied by Medium-Energy Ion Scattering
    Koji Sumitomo, Takashi Nishioka, Nobuo Shimizu, Yukinobu Shinoda, and Toshio Ogino
    J. Vac. Sci. Technol. A 13, 289 (1995).
  98. Ge Island Formation on Si(111) in Solid Phase Epitaxy Studied by Medium-Energy Ion Scattering
    Koji Sumitomo, Takashi Nishioka, and Toshio Ogino
    J. Vac. Sci. Technol. B 13, 387 (1995).
  99. Pb Preadsorption Facilitates Island Formation during Ge Growth on Si(111)
    H. Hibino, N. Shimizu, K. Sumitomo, Y. Shinoda, and T. Ogino
    J. Vac. Sci. Technol. A 12, 23 (1994).
  100. Oxidation of ultrathin SiGe layer on Si(001): evidence for inward movement of Ge
    K. Prabhakaran,T. Nishioka, K. Sumitomo, Y. Kobayashi, T. Ogino
    Jpn. J. Appl. Phys. 33, 1837 (1994).
  101. In situ Oxidation of a Thin Layer of Ge on Si(001): Observation of GeO to SiO2 Transition
    K. Prabhakaran, T. Nishioka, K. Sumitomo, Y. Kobayashi, and T. Ogino
    Appl. Phys. Lett. 62, 864 (1993).
  102. Monte Carlo simulation of low energy ions scattered from Ag(111) surfaces
    K. Sumitomo, Y. Tanaka, T. Kinoshita, F. Shoji, K. Oura
    Technology Reports of the Osaka University 42, 173 (1992).
  103. Ag thin film growth on hydrogen-terminated Si(100) surface studied by TOF-ICISS
    Y. Tanaka, T. Kinoshita, K. Sumitomo, F. Shoji, K. Oura, I. Katayama
    Appl. Surf. Sci. 60/61, 195 (1992).
  104. Hydrogen-induced reconstruction of Si(111)- square root 3-Ag surface studied by TOF-ICISS
    T. Kinoshita, Y. Tanaka, K. Sumitomo, F. Shoji, K. Oura, I. Katayama
    Appl. Surf. Sci. 60/61, 183 (1992).
  105. Hydrogen-Mediated Epitaxy of Ag on Si(111) as Studied by Low-Energy Ion Scattering
    Koji Sumitomo, Tadashi Kobayashi, Fumiya Shoji, Kenjiro Oura, and Itsuo Katayama
    Phys. Rev. Lett. 66, 1193 (1991).
  106. TOF-ICISS Study of Surface Damage Formed by Ar Ion Bombardment on Si(001)
    Koji Sumitomo, Ken-ichiro Tanaka, Itsuo Katayama, Fumiya Shoji, and Kenjiro Oura
    Surf. Sci. 242, 90 (1991).
  107. Adsorption of H on Si(111)- square root 3* square root 3-Ag: evidence for Ag(111) agglomerates formation
    K. Oura, K. Sumitomo, T. Kobayashi, T. Kinoshita, Y. Tanaka, F. Shoji, I. Katayama
    Surf. Sci. 254, L460 (1991).
  108. Initial stages in the adsorption of Ga and Ag on a Si(111) surface studied by low-energy Na+ ion scattering spectroscopy
    F. Shoji, K. Sumitomo, K. Oura
    Technology Reports of the Osaka University 41, 119 (1991).
  109. Low-energy recoil-ion spectroscopy studies of hydrogen adsorption on Si(100)-2x1 surfaces
    F. Shoji, K. Kashihara, K. Sumitomo, K. Oura
    Surf. Sci. 242, 422 (1991).
  110. Structural Study of Ag Overlayers Deposited on a Si(111) substrate by Impact-Collision Ion-Scattering-Spectroscopy with Time-of-Flight Detection
    K. Sumitomo, K. Tanaka, Y. Izawa, I. Katayama, F. Shoji, K. Oura, and T. Hanawa
    Appl. Surf. Sci. 41/42, 112 (1989).
  111. A TOF-ISS/ERDA Apparatus for Solid Surface Analysis
    K. Sumitomo, K. Oura, I. Katayama, F. Shoji, and T. Hanawa
    Nucl. Instr. and Meth. B 33, 871 (1988).

Books and Japanese articles

  1. 「ナノテクのためのバイオ入門」日本表面科学会編(編集・荻野 俊郎・宇理須 恒雄)
    共立出版 (2007) ISBN:978-4-320-07170-4
    計測・解析技術「神経細胞ネットワーク」
    鳥光慶一,住友弘二
  2. 「ナノエレクトロニクスを支える材料解析」 尾嶋正治,本間芳和 編著,電子情報通信学会
    コロナ社(1996)ISBN:978-4-88552-144-7
    イオン散乱分光(ISS,MEIS)
    住友弘二

  3. 「マイクロウエル架橋脂質二分子膜の水透過計測」
    大嶋梓,乾徳夫,上野祐子,住友弘二,電気学会論文誌C(電子・情報・システム部門誌)Vol. 140, No. 4, 421-425 (2020).
  4. 「人工脂質膜でシールした微小井戸を用いたバイオデバイス:タンパク質コーティングによるシール性能の向上」
    樫村吉晃,中島寛,住友弘二,電気学会論文誌C(電子・情報・システム部門誌)Vol. 140, No. 4, 426-431 (2020).
  5. 「静電相互作用によって促進される人工脂質二分子膜へのベシクル融合」
    大嶋梓,住友弘二,分析化学 Vol. 68, No. 1,pp. 23-32 (2019).
  6. 「マイクロウエルを架橋する脂質膜の側方拡散と相分離」
    住友弘二,大嶋梓,中島寛,原田幸輝,中谷悠人,応用物理学会 有機バイオエレクトロニクス分科会 会誌 Vol. 28, No.2, pp.52-55 (2018).
  7. 「人工脂質膜で覆われた微小井戸におけるイオン拡散メカニズムの検討」
    樫村吉晃,住友弘二,中島寛, 応用物理学会 有機バイオエレクトロニクス分科会 会誌 Vol. 28, No.2, pp.72-75(2018).
  8. 「イオンコンダクタンス顕微鏡:細胞表面の揺らぎを計測する」
    水谷祐輔,田中良昌,田中あや,住友弘二,岡嶋孝治,光学 Vol. 44, No. 6 (2015)
  9. 「導電性高分子のウェアラブルデバイスへの応用」
    住友弘二,工業材料 Vol. 65, No. 4, 29 (2015)
  10. 「膜タンパク質で機能するナノバイオデバイスの構築」
    住友弘二,田中あや,樫村吉晃,河西奈保子,大嶋梓,後藤東一郎,塚田信吾,中島寛,応用物理学会 有機分子・バイオエレクトロニクス分科会 会誌 Vol. 25, No. 1 (2014)
  11. 「原子間力顕微鏡を用いた生体分子のトポロジー観察」
    篠崎陽一,住友弘二,河西奈保子,田中あや,鳥光慶一,表面科学 第 32巻,104 (2011).
  12. 「原子間力顕微鏡による受容体タンパク質 の観察とナノバイオデバイス」
    河西奈保子,Chandra S Ramanujan,住友弘二,篠崎陽一,島田明佳,John F Ryan,鳥光 慶一,IEEJ Trans. EIS, Vol. 130, 1736 (2010).
  13. 「高速原子間力顕微鏡を用いた受容体の一分子イメージング」
    篠崎陽一,住友弘二,津田誠,小泉修一,井上和秀,鳥光慶一,日本薬理学雑誌 134, 68 (2009).
  14. 「受容体タンパク質の一分子観察」
    河西奈保子,Chandra S. Ramanujan,篠崎陽一,住友弘二,John F. Ryan,鳥光慶一,化学とマイクロナノシステム 第8巻 第1号 (2009)
  15. 「単一分子レベルでのたんぱく質の機能評価」
    鳥光慶一,篠崎陽一,河西奈保子,住友弘二,応用物理 第77巻,530 (2008).
  16. 「中速イオン散乱法(MEIS)と走査型トンネル顕微鏡(STM)による表面ナノ構造の解析」
    住友弘二,尾身博雄,Zhaohui Zhang,荻野俊郎,真空 Vol. 49,277 (2006)
  17. 「Si表面におけるナノ構造の自己形成制御」
    尾身博雄,住友弘二,荻野俊郎, 固体物理 第40巻,485 (2005).
  18. 「表面・界面歪の制御によるナノ構造の自己組織化」
    荻野俊郎,本間芳和,住友弘二,尾身博雄,David Bottomley,Zhaohui Zhang,表面科学 第25巻,42 (2004).
  19. 「Ge/Si(113)-2x2表面の構造安定性と応力異方性」
    中村淳,張朝暉,住友弘二,尾身博雄,荻野俊郎,名取晃子,表面科学 第24巻,526 (2003).
  20. 「中エネルギーイオン散乱法による構造解析」
    住友弘二,荻野俊郎, 応用物理 第70巻,1096 (2001).
  21. 「Ge/Siセグリゲーションの中速イオン散乱による観察」
    住友弘二,小林慶裕,白石賢二,伊藤智徳,荻野俊郎,表面科学 第22巻,197 (2001).
  22. 「水素吸脱着によるSiGe表面の構造変化」
    小林慶裕,白石賢二,住友弘二,荻野俊郎,表面科学 第20巻,696 (1999).
  23. 「自己組織化によるSiナノ構造のウェーハスケール制御」
    荻野俊郎,本間芳和,日比野浩樹,小林慶裕,住友弘二,Kuniyil Prabhakaran,尾身博雄,表面科学 第19巻, 557 (1998).
  24. 「脱溶存酸素・超純水によるGaAs(001)表面の洗浄および洗浄表面に対する熱処理の効果」
    廣田幸弘,渡辺義夫,福田常男,住友弘二,荻野俊郎,表面科学 第18巻,232 (1997).
  25. 「脱溶存酸素・超純水洗浄処理のGaAs(001)表面に対する熱処理の影響」
    廣田幸弘,福田常男,住友弘二,信学技法 1995-10, 41.
  26. 「中エネルギーイオン散乱法によるSiO2/Si,Ge/Si界面の構造解析」
    西岡孝,住友弘二,表面科学 第14巻, 397 (1993).
  27. 「シリコン表面の水素変性と薄膜形成初期過程」
    尾浦憲治郎,住友弘二,内藤正路,固体物理 第28巻,943 (1993).

Patents

  1. United States Patent no. 10,918,334 “Wearable electrode"
    Shingo Tsukada, Nahoko Kasai, Koji Sumitomo, Hiroshi Nakashima, Masanobu Sato, Toru Arakane, Yuri Hamano, Keiji Takeda, Noriko Nagai, Takashi Teshigawara
  2. United States Patent no. 10,881,315 “Biological-signal measurement system, biological-information measurement device, and method for changing biological-information extraction algorithm"
    Kei Kuwabara, Takayuki Ogasawara, Nobuaki Matsuura, Michiko Seyama, Hiroshi Koizumi, Ryuusuke Kawano, Kazuhiko Takagawara, Kazuyoshi Ono, Takako Ishihara, Yasuhiro Sato, Shingo Tsukada, Nahoko Kasai, Koji Sumitomo
  3. United States Patent no. 10,835,1414 “Wearable electrode"
    Shingo Tsukada, Nahoko Kasai, Koji Sumitomo, Hiroshi Nakashima, Masanobu Sato, Toru Arakane, Yuri Hamano, Takashi Teshigawara
  4. United States Patent no. 10,772,524 “Biomedical electrode and wearable electrode"
    Shingo Tsukada, Nahoko Kasai, Koji Sumitomo, Hiroshi Nakashima, Masanobu Sato, Toru Arakane, Yuri Hamano, Keiji Takeda, Noriko Nagai, Takashi Teshigawara
  5. United States Patent no. 10,153,065 “Conductive polymer fibers, method and device for producing conductive polymer fibers, biological electrode, device for measuring biological signals, implantable electrode, and device for measuring biological signals"
    Shingo Tsukada, Hiroshi Nakashima, Akiyoshi Shimada, Koji Sumitomo, Keiichi Torimitsu
  6. United States Patent no. 8,859,469 “Protein chip and production method thereof”
    Chandra Sekar Ramanujan, Koji Sumitomo, Maurits R. R. de Planque, Hiroki Hibino, Keiichi Torimitsu, John F. Ryan

  7. 特許6721739号「生体電極」
    塚田信吾,中島寛,島田明佳,住友弘二,鳥光慶一
  8. 特許6717473号「ウエアラブル生体センサ」
    塚田信吾,河西奈保子,住友弘二,中島寛,八田秀雄
  9. 特許6704949号「生体信号検出衣料」
    塚田信吾,河西奈保子,住友弘二,高河原和彦,小野一義,川野龍介,石原隆子,小泉弘,小田直規,竹田恵司,石川恵美子,長井典子,勅使河原崇
  10. 特許6611217号「皮膚覚提示システム」
    小野一善,高河原和彦,川野龍介,石原隆子,小泉弘,佐藤康博,塚田信吾,河西奈保子,住友弘二
  11. 特許6603190号「電極形成方法及び電極形成装置」
    島田明佳,田中あや,住友弘二,鳥光慶一,ナイベルヒ トビアス
  12. 特許6591924号「皮膚覚提示システム」
    小野一善,高河原和彦,川野龍介,石原隆子,小泉弘,佐藤康博,塚田信吾,河西奈保子,住友弘二
  13. 特許6552560号「導電性高分子繊維」
    塚田信吾,中島寛,島田明佳,住友弘二,鳥光慶一
  14. 特許6510388号「生体適合性ゲル材料、生体適合性ゲル材料の製造方法、生体適合性ゲル電極、及び生体組織吸着デバイス」
    手島哲彦,田中あや,塚田信吾,住友弘二,中島寛
  15. 特許6454294号「状態評価装置及び状態評価方法」
    塚田慎吾,中島寛,住友弘二,河西奈保子
  16. 特許6431606号「ウエアラブル電極」
    塚田信吾,河西奈保子,住友弘二,中島寛,佐藤雅伸,荒金徹,浜野祐里,勅使川原崇
  17. 特許6423979号「接続部品」
    川野龍介,高河原和彦,小野一善,石原隆子,小舘淳一,塚田信吾,河西奈保子,住友弘二
  18. 特許6423533号「ウエアラブル電極」
    塚田信吾,河西奈保子,住友弘二,中島寛,佐藤雅伸,荒金徹,浜野祐里,竹田恵司,長井典子,勅使川原崇
  19. 特許6386621「心拍・心電計」
    川野龍介,石原隆子,高河原和彦,小野一善,佐藤康博,塚田信吾,河西奈保子,住友弘二
  20. 特許6386620号「心拍・心電計」
    川野龍介,石原隆子,高河原和彦,小野一善,佐藤康博,塚田信吾,河西奈保子,住友弘二
  21. 特許6381176号「脂質二分子膜支持基板及びその製造方法」
    後藤東一郎,原田裕一,住友弘二,デイビッド クリストファー コックス
  22. 特許6367742号「情報伝達システム」
    小野一善,高河原和彦,川野龍介,石原隆子,小泉弘,佐藤康博,塚田信吾,河西奈保子,住友弘二
  23. 特許6359959号「固定用部品」
    河西奈保子,住友弘二,塚田信吾,小泉弘,川野龍介,石原隆子,小野一善,高河原和彦
  24. 特許6353349号「送信装置、受信装置、可視光通信システム、それらの方法及びプログラム」
    佐藤尚,守谷健弘,ガブリエル パブロ ナバ,鎌本優,白木善史,塚田信吾,住友弘二,河西奈保子
  25. 特許6348853号「細胞培養基板」
    手島哲彦,住友弘二,塚田信吾,河西奈保子,田中あや,佐々木智,中島寛
  26. 特許6339342号「生体信号取得装置および方法」
    小野一善,高河原和彦,塚田信吾,川野龍介,石原隆子,河西奈保子,小泉弘,住友弘二,佐藤康博
  27. 特許6301969号「生体信号検出衣料」
    塚田信吾,河西奈保子,住友弘二,高河原和彦,小野一義,川野龍介,石原隆子,小泉弘,小田直規,竹田恵司,石川恵美子,長井典子,勅使河原崇
  28. 特許6291512号「導電性高分子繊維」
    塚田信吾,中島寛,島田明佳,住友弘二,鳥光慶一
  29. 特許6283620号「所定の空間における生体情報取得装置、生体情報取得方法及び生体情報取得プログラム」
    佐藤尚,渡邊淳司,塚田信吾,柏野牧夫,西田眞也,住友弘二,河西奈保子,守谷健弘,鎌本優,ガブリエル パブロ ナバ,白木善史
  30. 特許6240716号「関係性判定装置,学習装置,関係性判定方法,学習方法及びプログラム」
    渡邊淳司,塚田信吾,佐藤尚,柏野牧夫,西田眞也,住友弘二,河西奈保子,守谷健弘,鎌本優,ガブリエル パブロ ナバ,白木善史
  31. 特許6228086号「生体信号取得電極、生体信号取得装置および方法」
    小野一善,高河原和彦,塚田信吾,川野龍介,石原隆子,河西奈保子,小泉弘,住友弘二,佐藤康博
  32. 特許6220016号「生体電気信号モニタ用衣類」
    川野龍介,河西奈保子,佐藤康博,塚田信吾,高河原和彦,石原隆子,小野一善,住友弘二
  33. 特許6215721号「ウェアラブル電極および生体電気信号測定システム」
    高河原和彦,小泉弘,川野龍介,小野一善,石原隆子,佐藤康博,住友弘二,河西奈保子,塚田信吾
  34. 特許6215644号「心拍・心電計」
    川野龍介,石原隆子,高河原和彦,小野一善,佐藤康博,塚田信吾,河西奈保子,住友弘二
  35. 特許6215637「生体情報取集装置」
    石原隆子,小舘淳一,川野龍介,小野一善,高河原和彦,塚田信吾,河西奈保子,住友弘二
  36. 特許6199820号「微小振動素子用ばねの製造方法」
    小野一善,高河原和彦,佐藤昇男,塚田信吾,川野龍介,石原隆子,河西奈保子,住友弘二
  37. 特許6178139号「ばね、微小構造体およびばねの製造方法」
    小野一善,高河原和彦,塚田信吾,佐藤昇男,川野龍介,石原隆子,住友弘二,河西奈保子,小舘淳一
  38. 特許6166760号「体表面設置型電極、生体信号の測定方法、及び生体信号測定装置」
    塚田信吾,古川一暁,中島寛,原田裕一,住友弘二
  39. 特許6154721号「ウエアラブル電極」
    塚田信吾,河西奈保子,住友弘二,中島寛,川野龍介,小野一善,高河原和彦
  40. 特許6133139号「導電性繊維の製造方法及び装置」
    高河原和彦,小舘淳一,川野龍介,石原隆子,小野一善,住友弘二,河西奈保子,塚田信吾
  41. 特許6077410号「生体電極」
    塚田信吾,河西奈保子,中島寛,住友弘二
  42. 特許6073776号「生体電気信号モニタ用衣類」
    川野龍介,河西奈保子,佐藤康博,塚田信吾,高河原和彦,石原隆子,小野一善,住友弘二
  43. 特許6073745号「生体電極および衣類」
    川野龍介,高河原和彦,石原隆子,小野一善,小舘淳一,塚田信吾,河西奈保子,住友弘二
  44. 特許6043685号「導電性複合繊維を含むカテーテル」
    松浦徹,塚田信吾,川尻祐子,小舘淳一,石原隆子,川野龍介,小野一善,高河原和彦,住友弘二,河西奈保子
  45. 特許6042771号「導電性シート」
    塚田信吾,河西奈保子,中島寛,住友弘二
  46. 特許6039724号「生体電極,及び生体信号測定装置」
    塚田信吾,中島寛,住友弘二,鳥光慶一
  47. 特許6010203号「導電体,生体電極,及び生体信号測定装置」
    塚田信吾,中島寛,住友弘二,鳥光慶一
  48. 特許6006679号「インターフェース、及び情報処理装置」
    塚田信吾,中島寛,住友弘二
  49. 特許5986008号「導電性布帛の製造方法、導電性布帛、生体信号の測定方法、及び生体信号測定装置」
    塚田信吾,中島寛,住友弘二
  50. 特許5984645 号「感圧センサー,及び感圧センサー装置」
    塚田信吾,中島寛,住友弘二
  51. 特許5978331号「関係性判定装置、関係性判定方法及び関係性判定プログラム」
    渡邊淳司,塚田信吾,佐藤尚,柏野牧夫,西田眞也,住友弘二,河西奈保子,守谷健弘,鎌本優,ガブリエル パブロ ナバ,白木善史
  52. 特許5947247号「導電性繊維の製造方法及び装置」
    高河原和彦,小舘淳一,川野龍介,石原隆子,小野一善,住友弘二,河西奈保子,塚田信吾
  53. 特許5941010号「導電性布帛用コネクタ、及び導電性布帛用コネクタの製造方法」
    塚田信吾,住友弘二,中島寛
  54. 特許 5917420号「基板、前記基板を生体分子の機能測定に使用する方法、及び前記基板の製造方法」
    田中あや,住友弘二,樫村吉晃,倉持栄一
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