顔写真

PHOTO

Nakamura Nobutomo
中村 暢伴
Nakamura Nobutomo
中村 暢伴
Graduate School of Engineering Department of Mechanical Engineering, Professor

keyword Resistive spectroscopy,Hydrogen-gas sensor,Metallic nanoparticle,piezoelectric material,nanomechanics,resonant vibration,nondestructive evaluation,ultrasonics,thin film,elastic constant

Research History 6

  1. 2022/04 - Present
    Osaka University Graduate School of Engineering Professor

  2. 2019/09 - 2022/03
    Osaka University Graduate School of Engineering Science Associate Professor

  3. 2008/04 - 2019/08
    Osaka University Graduate School of Engineering Science Assistant Professor

  4. 2010/04 - 2011/03
    Harvard University, School of Engineering and Applied Science, Visiting Researcher

  5. 2007/04 - 2008/03
    Osaka University Graduate School of Engineering Science Specially Appointed Assistant Professor (Full time)

  6. 2005/04 - 2007/03
    JSPS Postdoctoral Fellow (PD)

Education 3

  1. Osaka University Graduate School of Engineering Science (Doctor's Course)

    2003/04 - 2005/03

  2. Osaka University Graduate School of Engineering Science (Master's Course)

    2001/04 - 2003/03

  3. Osaka University School of Engineering Science

    1997/04 - 2001/03

Committee Memberships 4

  1. 超音波エレクトロニクスの基礎と応用に関するシンポジウム 運営委員

    2016/11 - Present

  2. 応用物理学会 関西支部 支部幹事(庶務)

    2022/04 - 2024/03

  3. 超音波エレクトロニクスの基礎と応用に関するシンポジウム 現地実行委員

    2020/05 - 2022/03

  4. 日本物理学会 領域10 フォノン分科 運営委員

    2018/04 - 2019/03

Professional Memberships 4

  1. THE JAPANESE SOCIETY FOR NON-DESTRUCTIVE INSPECTION

  2. THE PHYSICAL SOCIETY OF JAPAN

  3. THE JAPAN SOCIETY OF APPLIED PHYSICS

  4. THE JAPAN SOCIETY OF MECHANICAL ENGINEERS

Research Areas 5

  1. Nanotechnology/Materials / Thin-film surfaces and interfaces /

  2. Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Measurement engineering /

  3. Nanotechnology/Materials / Nanomaterials /

  4. Nanotechnology/Materials / Applied physics - general /

  5. Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Machine materials and mechanics /

Awards 1

  1. Japanese Journal of Applied Physics: 2021 Outstanding Reviewer Awards

    Nobutomo Nakamura IOP Publishing 2022/04

Papers 93

  1. Restructuring in bimetallic core-shell nanoparticles: Real-time observation

    Nobutomo Nakamura, Koji Matsuura, Akio Ishii, Hirotsugu Ogi

    Physical Review B Vol. 105 No. 12 2022/03/01 Research paper (scientific journal)

    Publisher: American Physical Society (APS)
  2. Development of confocal picosecond ultrasonics for visualizing propagation of an acoustic wave

    Nobutomo Nakamura, Atsushi Maehara, Hirotsugu Ogi

    Japanese Journal of Applied Physics Vol. 59 No. SK 2020/07/01 Research paper (scientific journal)

  3. Precise control of hydrogen response of semicontinuous palladium film using piezoelectric resonance method

    N. Nakamura, T. Ueno, H. Ogi

    Applied Physics Letters Vol. 114 No. 20 2019/05/20 Research paper (scientific journal)

  4. Resistive spectroscopy coupled with non-contacting oscillator for detecting discontinuous-continuous transition of metallic films

    N. Nakamura, H. Ogi

    APPLIED PHYSICS LETTERS Vol. 111 No. 10 2017/09 Research paper (scientific journal)

  5. Accelerated crystallization of colloidal glass by mechanical oscillation

    Nobutomo Nakamura, Kyosuke Inayama, Tasuku Okuno, Hirotsugu Ogi, Masahiko Hirao

    SCIENTIFIC REPORTS Vol. 7 2017/05 Research paper (scientific journal)

  6. Development of shear-vertical-wave point-focusing electromagnetic acoustic transducer

    Takashi Takishita, Kazuhiro Ashida, Nobutomo Nakamura, Hirotsugu Ogi, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 54 No. 7 2015/07 Research paper (scientific journal)

  7. Versatile confocal microscopy for imaging objects oscillating at frequencies exceeding the frame rate

    K. Adachi, S. Mukai, K. Higami, T. Saito, N. Nakamura

    Applied Physics Letters Vol. 126 2025/07/01 Research paper (scientific journal)

  8. Feasibility of resonant vibration of piezoelectric material for noncontact evaluation of electrical resistance

    Aya Yoshida, Kanta Adachi, Nobutomo Nakamura

    Japanese Journal of Applied Physics Vol. 64 No. 3 2025/03/06 Research paper (scientific journal)

    Publisher: IOP Publishing
  9. Parameter-free multiscale analysis of hydrogen solubility in Pd nano films under hydrogen gas using density functional theory

    A. Ishii, N. Nakamura

    Journal of Applied Physics Vol. 137 2025/02 Research paper (scientific journal)

  10. Publisher's Note: “Enhancement of hydrogen response by forming an Au submonolayer on nanogap Pd nanoparticles” [Appl. Phys. Lett. 125, 021902 (2024)]

    Nobutomo Nakamura, Kazushi Yoshikawa, Akio Ishii

    Applied Physics Letters Vol. 125 No. 5 2024/07/29 Research paper (scientific journal)

    Publisher: AIP Publishing
  11. Enhancement of hydrogen response by forming an Au submonolayer on nanogap Pd nanoparticles

    Nobutomo Nakamura, Kazushi Yoshikawa, Akio Ishii

    Applied Physics Letters Vol. 125 No. 2 2024/07 Research paper (scientific journal)

  12. Ab initio morphology prediction of Pd, Ag, Au, and Pt nanoparticles on (0001) sapphire substrates

    Akio Ishii, Nobutomo Nakamura

    Journal of Applied Physics Vol. 135 No. 9 2024/03/01 Research paper (scientific journal)

    Publisher: AIP Publishing
  13. In-situ observation of morphological change of Pd-based bimetallic nanoparticles synthesized by co-sputtering

    Nobutomo Nakamura, Koji Matsuura, Akio Ishii

    Journal of Applied Physics Vol. 134 2023/10 Research paper (scientific journal)

  14. Multi-mode resistive spectroscopy for precisely controlling morphology of extremely narrow gap palladium nanocluster array

    N. Nakamura, K. Kashiuchi, H. Ogi

    Review of Scientific Instruments Vol. 92 No. 6 2021/06/01 Research paper (scientific journal)

    Publisher: AIP Publishing
  15. Spontaneous nucleation on flat surface by depletion force in colloidal suspension

    Nobutomo Nakamura, Yuto Sakamoto, Hirotsugu Ogi

    Scientific Reports Vol. 11 No. 1 2021/04 Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC
  16. MEMS hydrogen gas sensor with wireless quartz crystal resonator

    Lianjie Zhou, Fumihito Kato, Nobutomo Nakamura, Yasushi Oshikane, Akira Nagakubo, Hirotsugu Ogi

    Sensors and Actuators B: Chemical Vol. 334 p. 129651-129651 2021/02 Research paper (scientific journal)

  17. Enhancement of sensitivity of Pd-based hydrogen-gas sensor by plasma exposure studied by wireless quartz resonator

    Lianjie Zhou, Nobutomo Nakamura, Akira Nagakubo, Hirotsugu Ogi

    Japanese Journal of Applied Physics Vol. 59 2020/07/01 Research paper (scientific journal)

  18. Hydrogen-gas sensing at low concentrations using extremely narrow gap palladium nanoclusters prepared by resistive spectroscopy

    N. Nakamura, T. Ueno, H. Ogi

    Journal of Applied Physics Vol. 126 No. 22 2019/12/14 Research paper (scientific journal)

  19. Mechanical oscillation accelerating nucleation and nuclei growth in hard-sphere colloidal glass

    Nobutomo Nakamura, Shizuka Nakashima, Hirotsugu Ogi

    Scientific Reports Vol. 9 No. 1 2019/12/01 Research paper (scientific journal)

  20. Highly sensitive hydrogen detection using curvature change of wireless-electrodeless quartz resonators

    L. Zhou, N. Nakamura, A. Nagakubo, H. Ogi

    Applied Physics Letters Vol. 115 No. 17 2019/10/21 Research paper (scientific journal)

  21. Elastic stiffness of metallic multilayers studied by picosecond ultrasonics: Improved interpretation of interface elasticity

    Nobutomo Nakamura, Ryo Yokomura, Nobutaka Takeuchi, Daiki Yamakado, Hirotsugu Ogi

    Japanese Journal of Applied Physics Vol. 58 No. 7 2019 Research paper (scientific journal)

  22. Unusual elasticity of monoclinic β-Ga<inf>2</inf>O<inf>3</inf>

    K. Adachi, H. Ogi, N. Takeuchi, N. Nakamura, H. Watanabe, T. Ito, Y. Ozaki

    Journal of Applied Physics Vol. 124 No. 8 2018/08/28 Research paper (scientific journal)

  23. Flaw Detection with a Point-focusing Electromagnetic Acoustic Transducer and Local Vibration around the Slit

    ASHIDA Kazuhiro, TAKISHITA Takashi, TSUBOI Seiya, NAKAMURA Nobutomo, OGI Hirotsugu, HIRAO Masahiko

    Journal of The Japanese Society for Non-Destructive Inspection Vol. 66 No. 9 p. 437-442 2017/09 Research paper (scientific journal)

    Publisher: The Japanese Society for Non-Destructive Inspection
  24. EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)

    Nurmalia, N. Nakamura, H. Ogi, M. Hirao

    NDT & E INTERNATIONAL Vol. 87 p. 78-84 2017/04 Research paper (scientific journal)

  25. Thermal Mode Spectroscopy for Thermal Diffusivity of Millimeter-Size Solids

    Hirotsugu Ogi, Tatsuya Ishihara, Hideshi Ishida, Akira Nagakubo, Nobutomo Nakamura, Masahiko Hirao

    PHYSICAL REVIEW LETTERS Vol. 117 No. 19 2016/11 Research paper (scientific journal)

  26. Inspection of stress corrosion cracking in welded stainless steel pipe using point-focusing electromagnetic-acoustic transducer

    Nobutomo Nakamura, Kazuhiro Ashida, Takashi Takishita, Hirotsugu Ogi, Masahiko Hirao

    NDT & E INTERNATIONAL Vol. 83 p. 88-93 2016/10 Research paper (scientific journal)

  27. Piezoelectric coefficients of GaN determined by hopping conduction of carriers

    K. Adachi, H. Ogi, A. Nagakubo, N. Nakamura, M. Hirao, M. Imade, M. Yoshimura, Y. Mori

    APPLIED PHYSICS LETTERS Vol. 109 No. 18 2016/10 Research paper (scientific journal)

  28. Note: An iterative algorithm to improve colloidal particle locating

    K. E. Jensen, N. Nakamura

    Review of Scientific Instruments Vol. 87 No. 6 p. 066103-066103 2016/06 Research paper (scientific journal)

    Publisher: AIP Publishing
  29. Elastic constants of GaN between 10 and 305K

    K. Adachi, H. Ogi, A. Nagakubo, N. Nakamura, M. Hirao, M. Imade, M. Yoshimura, Y. Mori

    JOURNAL OF APPLIED PHYSICS Vol. 119 No. 24 2016/06 Research paper (scientific journal)

  30. Elastic constant C-11 of C-12 diamond between 10 and 613 K

    A. Nagakubo, M. Arita, H. Ogi, H. Sumiya, N. Nakamura, M. Hirao

    APPLIED PHYSICS LETTERS Vol. 108 No. 22 2016/05 Research paper (scientific journal)

  31. Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates

    Hirotsugu Ogi, Shoichi Masuda, Akira Nagakubo, Nobutomo Nakamura, Masahiko Hirao, Kouta Kondou, Teruo Ono

    Physical Review B Vol. 93 No. 2 2016/01/22 Research paper (scientific journal)

  32. Evaluation of the Slit Detectability of the Point-focusing Electromagnetic Acoustic Transducer in SUS304 Steel

    ASHIDA Kazuhiro, TAKISHITA Takashi, NAKAMURA Nobutomo, OGI Hirotsugu, HIRAO Masahiko

    Journal of The Japanese Society for Non-Destructive Inspection Vol. 65 No. 2 p. 79-84 2016 Research paper (scientific journal)

    Publisher: The Japanese Society for Non-Destructive Inspection
  33. Review on Acoustic Transducers for Resonant Ultrasound Spectroscopy

    N. Nakamura, H. Ogi, M. Hirao

    JOM Vol. 67 No. 8 p. 1849-1855 2015/08 Research paper (scientific journal)

  34. Formation of continuous metallic film on quartz studied by noncontact resonant ultrasound spectroscopy

    N. Nakamura, N. Yoshimura, H. Ogi, M. Hirao

    JOURNAL OF APPLIED PHYSICS Vol. 118 No. 8 2015/08 Research paper (scientific journal)

  35. Hopping conduction and piezoelectricity in Fe-doped GaN studied by non-contacting resonant ultrasound spectroscopy

    H. Ogi, Y. Tsutsui, N. Nakamura, A. Nagakubo, M. Hirao, M. Imade, M. Yoshimura, Y. Mori

    APPLIED PHYSICS LETTERS Vol. 106 No. 9 2015/03 Research paper (scientific journal)

  36. Elimination of bandwidth effect in attenuation measurement with picosecond ultrasonics

    Atsushi Maehara, Nobutomo Nakamura, Hirotsugu Ogi, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 53 No. 8 2014/08 Research paper (scientific journal)

  37. Elastic constants of polycrystalline L1<inf>0</inf>-FePt at high temperatures

    N. Nakamura, N. Yoshimura, H. Ogi, M. Hirao

    Journal of Applied Physics Vol. 114 No. 9 2013/09/07 Research paper (scientific journal)

  38. Observation of higher stiffness in nanopolycrystal diamond than monocrystal diamond

    Kenichi Tanigaki, Hirotsugu Ogi, Hitoshi Sumiya, Koichi Kusakabe, Nobutomo Nakamura, Masahiko Hirao, Hassel Ledbetter

    NATURE COMMUNICATIONS Vol. 4 2013/08 Research paper (scientific journal)

  39. Mode Conversion and Total Reflection of Torsional Waves for Pipe Inspection

    Nurmalia, Nobutomo Nakamura, Hirotsugu Ogi, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 52 No. 7 2013/07 Research paper (scientific journal)

  40. Elastic stiffness of co thin films at high temperatures monitored by picosecond ultrasound

    Nobutomo Nakamura, Yohei Nakamichi, Hirotsugu Ogi, Masahiko Hirao, Masayoshi Nishiyama

    Japanese Journal of Applied Physics Vol. 52 No. 7 PART 2 2013/07 Research paper (scientific journal)

  41. Monitoring of Longitudinal-Wave Velocity and Attenuation of SrTiO3 at Low Temperatures Using Picosecond Ultrasound Spectroscopy

    Akira Nagakubo, Akihiro Yamamoto, Kenichi Tanigaki, Hirotsugu Ogi, Nobutomo Nakamura, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 51 No. 7 2012/07 Research paper (scientific journal)

  42. Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance

    N. Nakamura, M. Sakamoto, H. Ogi, M. Hirao

    REVIEW OF SCIENTIFIC INSTRUMENTS Vol. 83 No. 7 2012/07 Research paper (scientific journal)

  43. Elastic, anelastic, and piezoelectric coefficients of GaN

    N. Nakamura, H. Ogi, M. Hirao

    JOURNAL OF APPLIED PHYSICS Vol. 111 No. 1 2012/01 Research paper (scientific journal)

  44. Mode conversion behavior of SH guided wave in a tapered plate

    Nurmalia, N. Nakamura, H. Ogi, M. Hirao, K. Nakahata

    NDT & E INTERNATIONAL Vol. 45 No. 1 p. 156-161 2012/01 Research paper (scientific journal)

  45. Detection of Shear Horizontal Guided Waves Propagating in Aluminum Plate with Thinning Region

    Nurmalia, Nobutomo Nakamura, Hirotsugu Ogi, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 50 No. 7 2011/07 Research paper (scientific journal)

  46. Elastic stiffness of L1(0) FePt thin film studied by picosecond ultrasonics

    N. Nakamura, A. Uranishi, M. Wakita, H. Ogi, M. Hirao, M. Nishiyama

    APPLIED PHYSICS LETTERS Vol. 98 No. 10 2011/03 Research paper (scientific journal)

  47. Picosecond ultrasound spectroscopy for studying elastic modulus of thin films: a review

    Hirotsugu Ogi, Nobutomo Nakamura, Masahiko Hirao

    NONDESTRUCTIVE TESTING AND EVALUATION Vol. 26 No. 3-4 p. 267-280 2011 Research paper (scientific journal)

  48. Ultrathin-film oscillator biosensors excited by ultrafast light pulses

    Hirotsugu Ogi, Tetsuya Kawamoto, Nobutomo Nakamura, Masahiko Hirao, Masayoshi Nishiyama

    BIOSENSORS & BIOELECTRONICS Vol. 26 No. 4 p. 1273-1277 2010/12 Research paper (scientific journal)

  49. Development of wavelength tunable picosecond ultrasound method for evaluating ultrasonic attenuation in oxide thin films

    Kei Morita, Hirotsugu Ogi, Nobutomo Nakamura, Masahiko Hirao

    Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A Vol. 76 No. 771 p. 1444-1451 2010/11 Research paper (scientific journal)

  50. Significant softening of copper nanowires during electromigration studied by picosecond ultrasound spectroscopy

    H. Ogi, A. Yamamoto, K. Kondou, K. Nakano, K. Morita, N. Nakamura, T. Ono, M. Hirao

    PHYSICAL REVIEW B Vol. 82 No. 15 2010/10 Research paper (scientific journal)

  51. Strong strain-dependent elastic stiffness in ultrathin Pt films on MgO

    N. Nakamura, Y. Kake, H. Ogi, M. Hirao

    JOURNAL OF APPLIED PHYSICS Vol. 108 No. 4 2010/08 Research paper (scientific journal)

  52. Fast recovery of elastic constant in thin films studied by resonant-ultrasound spectroscopy

    N. Nakamura, T. Nakashima, H. Ogi, M. Hirao, M. Nishiyama

    JOURNAL OF APPLIED PHYSICS Vol. 107 No. 10 2010/05 Research paper (scientific journal)

  53. Resonant-ultrasound spectroscopy for studying annealing effect on elastic constant of thin film

    N. Nakamura, T. Nakashima, S. Oura, H. Ogi, M. Hirao

    ULTRASONICS Vol. 50 No. 2 p. 150-154 2010/02 Research paper (scientific journal)

  54. Label-Free Ultrathin Pt Film Biosensor Using Phonon Vibrations Excited by Ultrafast Light Pulses

    Hirotsugu Ogi, Kozo Matsumoto, Yusaku Fujita, Tetsuya Kawamoto, Nobutomo Nakamura, Masahiko Hirao

    APPLIED PHYSICS EXPRESS Vol. 3 No. 1 2010 Research paper (scientific journal)

  55. Measurement of Elastic Constant and Refraction Index of Thin Films at Low Temperatures Using Picosecond Ultrasound

    Kenichi Tanigaki, Tatsuya Kusumoto, Hirotsugu Ogi, Nobutomo Nakamura, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 49 No. 7 2010 Research paper (scientific journal)

  56. Annealing Effect on Acoustic Property of Fe/Pt Superlattice Studied by Picosecond Ultrasound

    Nobutomo Nakamura, Atsuyoshi Uranishi, Mamoru Wakita, Hirotsugu Ogi, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 49 No. 7 2010 Research paper (scientific journal)

  57. Ab-initio calculation model for nanocrystalline diamond with non-sp 3 bonded region and its effect on elastic properties

    Hirotsugu Ogi, Kenichi Tanigaki, Hiroshi Tanei, Koichi Kusakabe, Nobutomo Nakamura, Masahiko Hirao

    Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A Vol. 75 No. 758 p. 1423-1429 2009/10 Research paper (scientific journal)

  58. Extraction of Interface Stiffness in Superlattices: Proposal of the Interface Elasticity Parameter

    Hirotsugu Ogi, Tomohiro Shagawa, Nobutomo Nakamura, Masahiko Hirao

    APPLIED PHYSICS EXPRESS Vol. 2 No. 10 2009/10 Research paper (scientific journal)

  59. Elastic-Constant Measurement in Oxide and Semiconductor Thin Films by Brillouin Oscillations Excited by Picosecond Ultrasound

    Hirotsugu Ogi, Tomohiro Shagawa, Nobutomo Nakamura, Masahiko Hirao, Hidefumi Odaka, Naoto Kihara

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 48 No. 7 2009/07 Research paper (scientific journal)

  60. Fast Recovery of Elastic Stiffness in Ag Thin Film Studied by Resonant-Ultrasound Spectroscopy

    Nobutomo Nakamura, Takeo Nakashima, Hirotsugu Cigi, Masahiko Hirao, Masayoshi Nishiyama

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 48 No. 7 2009/07 Research paper (scientific journal)

  61. Observation of Gamma-point phonon frequency in ultrathin metallic films confirmed by ab initio calculation and lattice dynamics

    H. Tanei, K. Kusakabe, H. Ogi, N. Nakamura, M. Hirao

    APPLIED PHYSICS LETTERS Vol. 95 No. 1 2009/07 Research paper (scientific journal)

  62. Elastic constant and microstructure of oxide thin films studied by brillouin oscillation

    Tomohiro Shagawa, Hirotsugu Ogi, Nobutomo Nakamura, Masahiko Hirao, Hidefumi Odaka, Naoto Kihara

    Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A Vol. 75 No. 1 p. 72-78 2009/01 Research paper (scientific journal)

  63. Stacking-fault structure explains unusual elasticity of nanocrystalline diamonds

    H. Tanei, K. Tanigaki, K. Kusakabe, H. Ogi, N. Nakamura, M. Hirao

    APPLIED PHYSICS LETTERS Vol. 94 No. 4 2009/01 Research paper (scientific journal)

  64. Elastic constant and Brillouin oscillations in sputtered vitreous SiO <inf>2</inf> thin films

    H. Ogi, T. Shagawa, N. Nakamura, M. Hirao, H. Odaka, N. Kihara

    Physical Review B - Condensed Matter and Materials Physics Vol. 78 No. 13 2008/10/14 Research paper (scientific journal)

  65. Stable elasticity of epitaxial Cu thin films on Si

    N. Nakamura, H. Ogi, M. Hirao

    PHYSICAL REVIEW B Vol. 77 No. 24 2008/06 Research paper (scientific journal)

  66. Elastic Constants of Single-Crystal Rare-Earth Bismuth Iron Garnet Films

    Nobutomo Nakamura, Hirotsugu Ogi, Masahiko Hirao, Takashi Fukuhara, Kenichi Shiroki, Nobuo Imaizumi

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 47 No. 5 p. 3851-3854 2008/05 Research paper (scientific journal)

  67. Elastic Constants of Co/Pt Superlattice Studied by Acoustic Measurements and Ab initio Calculations

    Hiroshi Tanei, Nobutomo Nakamura, Yosuke Kake, Hirotsugu Ogi, Koichi Kusakabe, Masahiko Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 47 No. 5 p. 3847-3850 2008/05 Research paper (scientific journal)

  68. Recovery of elastic constant of ultrathin Cu films by low temperature annealing

    N. Nakamura, H. Ogi, T. Shagawa, M. Hirao

    APPLIED PHYSICS LETTERS Vol. 92 No. 14 2008/04 Research paper (scientific journal)

  69. Laser-Induced Coherent Acoustic Phonons for Measuring Elastic Constants of Ultra-Thin Films

    NAKAMURA Nobutomo, URANISHI Atsuyoshi, SHAGAWA Tomohiro, OGI Hirotsugu, HIRAO Masahiko, NISHIYAMA Masayoshi

    Journal of Solid Mechanics and Materials Engineering Vol. 2 No. 11 p. 1420-1426 2008 Research paper (scientific journal)

    Publisher: The Japan Society of Mechanical Engineers
  70. Unusual elastic behavior of nanocrystalline diamond thin films

    H. Tanei, N. Nakamura, H. Ogi, M. Hirao, R. Ikeda

    PHYSICAL REVIEW LETTERS Vol. 100 No. 1 2008/01 Research paper (scientific journal)

  71. Anomalous elastic softening in superlattice thin films studied by picosecond-laser ultrasounds and micromechanics modeling

    Nobutomo Nakamura, Hirotsugu Ogi, Makoto Fujii, Takeshi Yasui, Masahiko Hirao

    Zairyo/Journal of the Society of Materials Science, Japan Vol. 56 No. 10 p. 900-906 2007/10 Research paper (scientific journal)

  72. Mechanism of elastic softening behavior in a superlattice

    Nobutomo Nakamura, Hirotsugu Ogi, Takeshi Yasui, Makoto Fujii, Masahiko Hirao

    PHYSICAL REVIEW LETTERS Vol. 99 No. 3 2007/07 Research paper (scientific journal)

  73. Fast recovery of elasticity of Cu thin films at room temperature studied by resonant-ultrasound spectroscopy

    Nobutomo Nakamura, Hirotsugu Ogi, Takeo Nakashima, Masahiko Hirao, Masayoshi Nishiyama

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS Vol. 46 No. 7B p. 4450-4453 2007/07 Research paper (scientific journal)

  74. Stiffened ultrathin Pt films confirmed by acoustic-phonon resonances

    H. Ogi, M. Fujii, N. Nakamura, T. Yasui, M. Hirao

    PHYSICAL REVIEW LETTERS Vol. 98 No. 19 2007/05 Research paper (scientific journal)

  75. Resonance acoustic-phonon spectroscopy for studying elasticity of ultrathin films

    H. Ogi, M. Fujii, N. Nakamura, T. Shagawa, M. Hirao

    APPLIED PHYSICS LETTERS Vol. 90 No. 19 2007/05 Research paper (scientific journal)

  76. Relationship between elastic constants and microstructure of nanocrystalline CVD diamond thin films

    Hiroshi Tanei, Nobutomo Nakamura, Hirotsugu Ogi, Ryuji Ikeda, Masahiko Hirao, Mikio Takemoto

    Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A Vol. 72 No. 12 p. 1819-1824 2006/12 Research paper (scientific journal)

  77. Elastic, anelastic, and piezoelectric coefficients of alpha-quartz determined by resonance ultrasound spectroscopy

    Hirotsugu Ogi, Toshinobu Ohmori, Nobutomo Nakamura, Masahiko Hirao

    JOURNAL OF APPLIED PHYSICS Vol. 100 No. 5 2006/09 Research paper (scientific journal)

  78. Study of elastic anisotropy of cu thin films by resonant-ultrasound spectroscopy coupled with laser-Doppler interferometry and pump-probe photoacoustics

    N Nakamura, H Ogi, H Nitta, H Tanei, M Fujii, T Yasui, M Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS Vol. 45 No. 5B p. 4580-4584 2006/05 Research paper (scientific journal)

  79. Elastic constant of nanocrystalline diamond film

    R. Ikeda, H. Tanei, N. Nakamura, H. Ogi, M. Hirao, A. Sawabe, M. Takemoto

    DIAMOND AND RELATED MATERIALS Vol. 15 No. 4-8 p. 729-734 2006/04 Research paper (scientific journal)

  80. Strain-dependent elastic constants and magnetic anisotropy of Co/Pt superlattice thin films

    Nobutomo Nakamura, Hirotsugu Ogi, Ryuichi Tarumi, Takeshi Yasui, Teruo Ono, Masahiko Hirao

    Zairyo/Journal of the Society of Materials Science, Japan Vol. 54 No. 10 p. 1005-1011 2005/10 Research paper (scientific journal)

  81. Advanced resonant ultrasound spectroscopy for measuring anisotropic elastic constants of thin films

    H Ogi, N Nakamura, M Hirao

    FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES Vol. 28 No. 8 p. 657-663 2005/08 Research paper (scientific journal)

  82. Elastic constants and magnetic anisotropy of Co/Pt superlattice: Resonance-ultrasound-spectroscopy method

    N Nakamura, H Ogi, T Ono, M Hirao, M Nishiyama

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS Vol. 44 No. 6B p. 4427-4430 2005/06 Research paper (scientific journal)

  83. Off-diagonal elastic constant and sp(2)-bonded graphitic grain boundary in nanocrystalline-diamond thin films

    H Ogi, N Nakamura, H Tanei, M Hirao, R Ikeda, M Takemoto

    APPLIED PHYSICS LETTERS Vol. 86 No. 23 p. 1-3 2005/06 Research paper (scientific journal)

  84. Elastic constants and magnetic anisotropy of Co/Pt superlattice thin films

    N Nakamura, H Ogi, M Hirao, T Ono

    APPLIED PHYSICS LETTERS Vol. 86 No. 11 p. 1-3 2005/03 Research paper (scientific journal)

  85. Determination of anisotropic elastic constants of superlattice thin films by resonant-ultrasound spectroscopy

    N Nakamura, H Ogi, M Hirao, T Ono

    JOURNAL OF APPLIED PHYSICS Vol. 97 No. 1 2005/01 Research paper (scientific journal)

  86. Elastic, anelastic, piezoelectric coefficients of monocrystal lithium niobate

    H Ledbetter, H Ogi, N Nakamura

    MECHANICS OF MATERIALS Vol. 36 No. 10 p. 941-947 2004/10 Research paper (scientific journal)

  87. Resonance ultrasound spectroscopy for measuring elastic constants of thin films

    N Nakamura, H Ogi, M Hirao

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS Vol. 43 No. 5B p. 3115-3118 2004/05 Research paper (scientific journal)

  88. Determination of elastic, anelastic, and piezoelectric coefficients of piezoelectric materials from a single specimen by acoustic resonance spectroscopy

    H Ogi, N Nakamura, M Hirao, H Ledbetter

    ULTRASONICS Vol. 42 No. 1-9 p. 183-187 2004/04 Research paper (scientific journal)

  89. Resonance ultrasound spectroscopy with laser-Doppler interferometry for studying elastic properties of thin films

    N Nakamura, H Ogi, M Hirao

    ULTRASONICS Vol. 42 No. 1-9 p. 491-494 2004/04 Research paper (scientific journal)

  90. Elastic constants of chemical-vapor-deposition diamond thin films: resonance ultrasound spectroscopy with laser-Doppler interferometry

    N Nakamura, H Ogi, M Hirao

    ACTA MATERIALIA Vol. 52 No. 3 p. 765-771 2004/02 Research paper (scientific journal)

  91. Elastic anisotropy and incohesive bond of chemical-vapor-deposition diamond film: Acoustic resonance measurements and micromechanics modeling

    N Nakamura, H Ogi, T Ichitsubo, M Hirao, N Tatsumi, T Imai, H Nakahata

    JOURNAL OF APPLIED PHYSICS Vol. 94 No. 10 p. 6405-6410 2003/11 Research paper (scientific journal)

  92. Measurement of the Anisotropic Elastic Constants of CVD Diamond Film and Micromechanics Modeling

    Nobutomo Nakamura, Hirotsugu Ogi, Tetsu Ichitsubo, Masahiko Hirao, Natsuo Tatsumi, Takahiro Imai, Hideaki Nakahata

    Zairyo/Journal of the Society of Materials Science, Japan Vol. 52 No. 10 p. 1160-1165 2003/10 Research paper (scientific journal)

  93. Elastic, anelastic, and piezoelectric coefficients of langasite: Resonance ultrasound spectroscopy with laser-doppler interferometry

    H Ogi, N Nakamura, K Sato, M Hirao, S Uda

    IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL Vol. 50 No. 5 p. 553-560 2003/05 Research paper (scientific journal)

Misc. 14

  1. 共焦点ピコ秒超音波による微小材料内を伝ぱする超音波の可視化

    中村暢伴, 荻博次

    超音波TECHNO Vol. 33 No. 2 p. 64-68 2021/03

  2. 低濃度水素ガスを検出するためのパラジウムナノ粒子の開発

    中村暢伴

    機能材料 Vol. 40 No. 8 p. 52-57 2020/08

  3. 圧電体共振法を用いた水素検出用パラジウムナノ粒子の開発

    中村暢伴

    クリーンエネルギー Vol. 28 No. 10 p. 22-26 2019/10

  4. 微小な割れの検出を目的とした点集束型電磁超音波センサの開発

    中村暢伴

    非破壊検査 Vol. 68 No. 9 p. 446-450 2019/09

  5. 電磁超音波センサとねじり波を使った配管の減肉検査

    中村暢伴

    超音波TECHNO Vol. 31 No. 4 p. 1-4 2019/07

  6. ピコ秒超音波による多層膜の弾性率と減衰の計測 : Fe/Pt多層膜の熱処理温度依存症 (特集 レーザー超音波の革新性を考察する)

    中村 暢伴, 荻 博次, 平尾 雅彦

    超音波techno Vol. 27 No. 5 p. 50-54 2015/09

    Publisher: 日本工業出版
  7. Mode conversion of torsional waves generated by electromagnetic acoustic transducer

    N. Nurmalia, N. Nakamura, H. Ogi, M. Hirao

    AIP Conference Proceedings Vol. 1511 p. 909-915 2013

  8. ELASTIC CONSTANTS AND SP(2)-BONDED REGION OF NANOCRYSTALLINE DIAMOND THIN FILMS

    H. Tanei, H. Ogi, N. Nakamura, M. Hirao

    REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 28A AND 28B Vol. 1096 p. 1166-1173 2009

  9. MODE CONVERSION OF SH GUIDED WAVES AT DEFECTS FOR PIPELINE INSPECTION

    S. A. Uribe, N. Nakamura, H. Ogi, M. Hirao

    REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 28A AND 28B Vol. 1096 p. 1550-1557 2009

  10. Study on elastic property of thin films by resonant-ultrasound spectroscopy -monitoring of fast recovery of Cu thin film-

    Nobutomo Nakamura, Takeo Nakashima, O. G.I. Hirotsugu, Masahiko Hirao

    Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering Vol. 73 No. 8 p. 875-878 2007

  11. 超音波計測 薄膜の異方性弾性定数測定--銅薄膜の弾性異方性と内部組織

    中村 暢伴, 荻 博次, 平尾 雅彦

    超音波techno Vol. 18 No. 4 p. 103-107,127 2006/07

    Publisher: 日本工業出版
  12. 薄膜の弾性定数を精度よく測る方法--RUS/LDI法とレーザーピコ秒超音波法

    荻 博次, 中村 暢伴, 平尾 雅彦

    金属 Vol. 76 No. 6 p. 671-677 2006/06

    Publisher: アグネ技術センター
  13. Anisotropic elastic constants of copper thin films: RUS/laser and picosecond-laser ultrasound

    N Nakamura, H Nitta, H Ogi, T Yasui, M Hirao

    REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 25A AND 25B Vol. 820 p. 1141-1146 2006

  14. Elastic constants of Co/Pt nano-multilayers by resonance ultrasound spectroscopy

    N Nakamura, H Ogi, T Ono, M Hirao

    Review of Progress in Quantitative Nondestructive Evaluation, Vols 24A and 24B Vol. 760 p. 1145-1150 2005

Media Coverage 7

  1. スマートに作る

    2022/03/23

  2. パラジウム原子、金ナノ粒子内に拡散 阪大が即時観測成功

    2022/03/02

  3. 音を使って水素をキャッチ!

    2019/08

  4. 水素漏えい 早期に検出 阪大、センサー向け新技術

    2019/05

  5. 音でガラスが結晶化!

    2017/08

  6. 音でガラスが結晶化 阪大が「新現象」発見

    2017/05

  7. 微粒子溶液内のガラス 振動音で急速結晶化

    2017/05

Institutional Repository 65

Content Published in the University of Osaka Institutional Repository (OUKA)
  1. Versatile confocal microscopy for imaging objects oscillating at frequencies exceeding the frame rate

    Adachi Kanta, Mukai Seita, Higami Kenichi, Saito Takumi, Nakamura Nobutomo

    Applied Physics Letters Vol. 126 No. 26 2025/07/01

  2. Parameter-free multiscale analysis of hydrogen solubility in Pd nanofilms under hydrogen gas using density functional theory

    Ishii Akio, Nakamura Nobutomo

    Journal of Applied Physics Vol. 137 No. 6 2025/02/14

  3. Enhancement of hydrogen response by forming an Au submonolayer on nanogap Pd nanoparticles

    Nakamura Nobutomo, Yoshikawa Kazushi, Ishii Akio

    Applied Physics Letters Vol. 125 2024/07/09

  4. Ab initio morphology prediction of Pd, Ag, Au, and Pt nanoparticles on (0001) sapphire substrates

    Ishii Akio, Nakamura Nobutomo

    Journal of Applied Physics Vol. 135 No. 9 2024/03/07

  5. In situ observation of morphological change of Pd-based bimetallic nanoparticles synthesized by co-sputtering

    Nakamura N., Matsuura K., Ishii A.

    Journal of Applied Physics Vol. 134 No. 14 2023/10/09

  6. Restructuring in bimetallic core-shell nanoparticles: Real-time observation

    Nakamura Nobutomo, Matsuura Koji, Ishii Akio, Ogi Hirotsugu

    Physical Review B Vol. 105 2022/03/01

  7. Multi-mode resistive spectroscopy for precisely controlling morphology of extremely narrow gap palladium nanocluster array

    Nakamura N., Kashiuchi K., Ogi H.

    Review of Scientific Instruments Vol. 92 No. 6 2021/06/01

  8. MEMS hydrogen gas sensor with wireless quartz crystal resonator

    Zhou Lianjie, Kato Fumihito, Nakamura Nobutomo, Oshikane Yasushi, Nagakubo Akira, Ogi Hirotsugu

    Sensors and Actuators, B: Chemical Vol. 334 2021/02/16

  9. Enhancement of sensitivity of Pd-based hydrogen-gas sensor by plasma exposure studied by wireless quartz resonator

    Zhou Lianjie, Nakamura Nobutomo, Nagakubo Akira, Ogi Hirotsugu

    Japanese Journal of Applied Physics Vol. 59 2020/07

  10. Development of confocal picosecond ultrasonics for visualizing propagation of an acoustic wave

    Nakamura Nobutomo, Maehara Atsushi, Ogi Hirotsugu

    Japanese Journal of Applied Physics Vol. 59 2020/03/23

  11. Hydrogen-gas sensing at low concentrations using extremely narrow gap palladium nanoclusters prepared by resistive spectroscopy

    Nakamura N., Ueno T., Ogi H.

    Journal of Applied Physics Vol. 126 No. 22 p. 225104-1-225104-6 2019/12/11

  12. Highly sensitive hydrogen detection using curvature change of wireless-electrodeless quartz resonators

    Zhou L., Nakamura N., Nagakubo A., Ogi H.

    Applied Physics Letters Vol. 115 No. 17 p. 171901-1-171901-5 2019/10/21

  13. Mechanical oscillation accelerating nucleation and nuclei growth in hard-sphere colloidal glass

    Nakamura Nobutomo, Nakashima Shizuka, Ogi Hirotsugu

    Scientific Reports Vol. 9 2019/09/06

  14. Elastic stiffness of metallic multilayers studied by picosecond ultrasonics: Improved interpretation of interface elasticity

    Nakamura Nobutomo, Yokomura Ryo, Takeuchi Nobutaka, Yamakado Daiki, Ogi Hirotsugu

    Japanese Journal of Applied Physics Vol. 58 No. 7 2019/06/24

  15. Precise control of hydrogen response of semicontinuous palladium film using piezoelectric resonance method

    Nakamura N., Ueno T., Ogi H.

    Applied Physics Letters Vol. 114 No. 20 p. 201901-1-201901-5 2019/05/20

  16. Unusual elasticity of monoclinic β-Ga2O3

    Adachi K., Ogi H., Takeuchi N., Nakamura N., Watanabe H., Ito T., Ozaki Y.

    Journal of Applied Physics Vol. 124 No. 8 p. 085102-1-085102-7 2018/08/22

  17. Resistive spectroscopy coupled with non-contacting oscillator for detecting discontinuous-continuous transition of metallic films

    Nakamura N., Ogi H.

    Applied Physics Letters Vol. 111 No. 10 p. 101902-1-101902-5 2017/09/08

  18. EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)

    Nurmalia, Nakamura N., Ogi H., Hirao M.

    NDT & E International Vol. 87 p. 78-84 2017/04

  19. Thermal Mode Spectroscopy for Thermal Diffusivity of Millimeter-Size Solids

    Ogi Hirotsugu, Ishihara Tatsuya, Ishida Hideshi, Nagakubo Akira, Nakamura Nobutomo, Hirao Masahiko

    Physical Review Letters Vol. 117 No. 19 p. 195901-1-195901-5 2016/11/04

  20. Piezoelectric coefficients of GaN determined by hopping conduction of carriers

    Adachi K., Ogi H., Nagakubo A., Nakamura N., Hirao M., Imade M., Yoshimura M., Mori Y.

    Applied Physics Letters Vol. 109 No. 18 p. 182108-1-182108-4 2016/11/01

  21. Inspection of stress corrosion cracking in welded stainless steel pipe using point-focusing electromagnetic-acoustic transducer

    Nakamura Nobutomo, Ashida Kazuhiro, Takishita Takashi, Ogi Hirotsugu, Hirao Masahiko

    NDT & E International Vol. 83 p. 88-93 2016/10

  22. Elastic constants of GaN between 10 and 305 K

    Adachi K., Ogi H., Nagakubo A., Nakamura N., Hirao M., Imade M., Yoshimura M., Mori Y.

    Journal of Applied Physics Vol. 119 No. 24 p. 245111-1-245111-6 2016/06/30

  23. Note: An iterative algorithm to improve colloidal particle locating

    Jensen K. E., Nakamura N.

    Review of Scientific Instruments Vol. 87 No. 6 2016/06/03

  24. Elastic constant C 11 of 12C diamond between 10 and 613 K

    Nagakubo A., Arita M., Ogi H., Sumiya H., Nakamura N., Hirao M.

    Applied Physics Letters Vol. 108 No. 22 p. 221902-1-221902-4 2016/05/31

  25. Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates

    Ogi Hirotsugu, Masuda Shoichi, Nagakubo Akira, Nakamura Nobutomo, Hirao Masahiko, Kondou Kouta, Ono Teruo

    Physical Review B Vol. 93 No. 2 p. 024112-1-024112-6 2016/01/22

  26. Formation of continuous metallic film on quartz studied by noncontact resonant ultrasound spectroscopy

    Nakamura N., Yoshimura N., Ogi H., Hirao M.

    Journal of Applied Physics Vol. 118 No. 8 p. 085302-1-085302-6 2015/08/24

  27. Development of shear-vertical-wave point-focusing electromagnetic acoustic transducer

    Takishita Takashi, Ashida Kazuhiro, Nakamura Nobutomo, Ogi Hirotsugu, Hirao Masahiko

    Japanese Journal of Applied Physics Vol. 54 2015/06/05

  28. Hopping conduction and piezoelectricity in Fe-doped GaN studied by non-contacting resonant ultrasound spectroscopy

    Ogi H., Tsutsui Y., Nakamura N., Nagakubo A., Hirao M., Imade M., Yoshimura M., Mori Y.

    Applied Physics Letters Vol. 106 No. 9 p. 091901-1-091901-4 2015/03/02

  29. Elimination of bandwidth effect in attenuation measurement with picosecond ultrasonics

    Maehara Atsushi, Nakamura Nobutomo, Ogi Hirotsugu, Hirao Masahiko

    Japanese Journal of Applied Physics Vol. 53 No. 8 2014/07/28

  30. Elastic constants of polycrystalline L10-FePt at high temperatures

    Nakamura N., Yoshimura N., Ogi H., Hirao M.

    Journal of Applied Physics Vol. 114 No. 9 p. 093506-1-093506-4 2013/09/03

  31. Observation of higher stiffness in nanopolycrystal diamond than monocrystal diamond

    Tanigaki Kenichi, Ogi Hirotsugu, Sumiya Hitoshi, Kusakabe Koichi, Nakamura Nobutomo, Hirao Masahiko, Ledbetter Hassel

    Nature Communications Vol. 4 2013/08/12

  32. Monitoring of longitudinal-wave velocity and attenuation of SrTiO 3 at low temperatures using picosecond ultrasound spectroscopy

    Nagakubo Akira, Yamamoto Akihiro, Tanigaki Kenichi, Ogi Hirotsugu, Nakamura Nobutomo, Hirao Masahiko

    Japanese Journal of Applied Physics Vol. 51 No. 7S p. 07GA09-1-07GA09-4 2012/07/20

  33. Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance

    Nakamura N., Sakamoto M., Ogi H., Hirao M.

    Review of Scientific Instruments Vol. 83 No. 7 p. 073901-1-073901-7 2012/07/05

  34. Elastic, anelastic, and piezoelectric coefficients of GaN

    Nakamura N., Ogi H., Hirao M.

    Journal of Applied Physics Vol. 111 No. 1 p. 013509-1-013509-6 2012/01/01

  35. Picosecond ultrasound spectroscopy for studying elastic modulus of thin films: A review

    Ogi Hirotsugu, Nakamura Nobutomo, Hirao Masahiko

    Nondestructive Testing and Evaluation Vol. 26 No. 3-4 p. 267-280 2011/09/13

  36. Elastic stiffness of L1₀ FePt thin film studied by picosecond ultrasonics

    Nakamura N., Uranishi A., Wakita M., Ogi H., Hirao M., Nishiyama M.

    Applied Physics Letters Vol. 98 No. 10 p. 101911-1-101911-3 2011/03/07

  37. Development of Wavelength-Tunable Picosecond Ultrasound Method for Evaluating Ultrasonic Attenuation in Oxide Thin Films

    Morita Kei, Ogi Hirotsugu, Nakamura Nobutomo, Hirao Masahiko

    日本機械学会論文集A編 Vol. 76 No. 771 p. 1444-1451 2010/11

  38. Significant softening of copper nanowires during electromigration studied by picosecond ultrasound spectroscopy

    Ogi H., Yamamoto A., Kondou K., Nakano K., Morita K., Nakamura N., Ono T., Hirao M.

    Physical Review B - Condensed Matter and Materials Physics Vol. 82 No. 15 p. 155436-1-155436-5 2010/10/19

  39. Strong strain-dependent elastic stiffness in ultrathin Pt films on MgO

    Nakamura N., Kake Y., Ogi H., Hirao M.

    Journal of Applied Physics Vol. 108 No. 4 p. 043525-1-043525-4 2010/08/15

  40. Measurement of elastic constant and refraction index of thin films at low temperatures using picosecond ultrasound

    Tanigaki Kenichi, Kusumoto Tatsuya, Ogi Hirotsugu, Nakamura Nobutomo, Hirao Masahiko

    Japanese Journal of Applied Physics Vol. 49 2010/07/20

  41. Annealing effect on acoustic property of Fe/Pt superlattice studied by picosecond ultrasound

    Nakamura Nobutomo, Uranishi Atsuyoshi, Wakita Mamoru, Ogi Hirotsugu, Hirao Masahiko

    Japanese Journal of Applied Physics Vol. 49 2010/07/20

  42. Fast recovery of elastic constant in thin films studied by resonant-ultrasound spectroscopy

    Nakamura N., Nakashima T., Ogi H., Hirao M., Nishiyama M.

    Journal of Applied Physics Vol. 107 No. 10 p. 103541-1-103541-4 2010/05/15

  43. Label-free ultrathin Pt film biosensor using phonon vibrations excited by ultrafast light pulses

    Ogi Hirotsugu, Matsumoto Kozo, Fujita Yusaku, Kawamoto Tetsuya, Nakamura Nobutomo, Hirao Masahiko

    Applied Physics Express Vol. 3 No. 1 2009/12/25

  44. Extraction of interface stiffness in superlattices : Proposal of the interface elasticity parameter

    Ogi Hirotsugu, Shagawa Tomohiro, Nakamura Nobutomo, Hirao Masahiko

    Applied Physics Express Vol. 2 No. 10 2009/10/09

  45. Ab-Initio Calculation Model for Nanocrystalline Diamond with Non-sp3 Bonded Region and Its Effect on Elastic Properties

    Tanigaki Kenichi, Tanei Hiroshi, Kusakabe Koichi, Ogi Hirotsugu, Nakamura Nobutomo, Hirao Masahiko

    日本機械学会論文集A編 Vol. 75 No. 758 p. 1424-1429 2009/10

  46. Elastic-constant measurement in oxide and semiconductor thin films by Brillouin oscillations excited by picosecond ultrasound

    Ogi Hirotsugu, Shagawa Tomohiro, Nakamura Nobutomo, Hirao Masahiko, Odaka Hidefumi, Kihara Naoto

    Japanese Journal of Applied Physics Vol. 48 2009/07/21

  47. Fast recovery of elastic stiffness in Ag thin film studied by resonant-ultrasound spectroscopy

    Nakamura Nobutomo, Nakashima Takeo, Ogi Hirotsugu, Hirao Masahiko, Nishiyama Masayoshi

    Japanese Journal of Applied Physics Vol. 48 2009/07/21

  48. Observation of Γ-point phonon frequency in ultrathin metallic films confirmed by ab initio calculation and lattice dynamics

    Tanei H., Kusakabe K., Ogi H., Nakamura N., Hirao M.

    Applied Physics Letters Vol. 95 No. 1 p. 011902-1-011902-3 2009/07/06

  49. Stacking-fault structure explains unusual elasticity of nanocrystalline diamonds

    Tanei H., Tanigaki K., Kusakabe K., Ogi H., Nakamura N., Hirao M.

    Applied Physics Letters Vol. 94 No. 4 p. 041914-1-041914-3 2009/01/26

  50. Elastic Constant and Microstructure of Oxide Thin Films Studied by Brillouin Oscillation

    Shagawa Tomohiro, Ogi Hirotsugu, Nakamura Nobutomo, Hirao Masahiko, Odaka Hidefumi, Kihara Naoto

    日本機械学会論文集A編 Vol. 75 No. 749 p. 72-78 2009/01

  51. Elastic constant and Brillouin oscillations in sputtered vitreous SiO2 thin films

    Ogi H., Shagawa T., Nakamura N., Hirao M., Odaka H., Kihara N.

    Physical Review B - Condensed Matter and Materials Physics Vol. 78 No. 13 p. 134204-1-134204-7 2008/10/14

  52. Stable elasticity of epitaxial Cu thin films on Si

    Nakamura N., Ogi H., Hirao M.

    Physical Review B - Condensed Matter and Materials Physics Vol. 77 No. 24 p. 245416-1-245416-6 2008/06/11

  53. Recovery of elastic constant of ultrathin Cu films by low temperature annealing

    Nakamura N., Ogi H., Shagawa T., Hirao M.

    Applied Physics Letters Vol. 92 No. 14 p. 141901-1-141901-3 2008/04/07

  54. Unusual elastic behavior of nanocrystalline diamond thin films

    Tanei H., Nakamura N., Ogi H., Hirao M., Ikeda R.

    Physical Review Letters Vol. 100 No. 1 p. 016804-1-016804-4 2008/01/11

  55. Mechanism of elastic softening behavior in a superlattice

    Nakamura Nobutomo, Ogi Hirotsugu, Yasui Takeshi, Fujii Makoto, Hirao Masahiko

    Physical Review Letters Vol. 99 No. 3 p. 035502-1-035502-4 2007/07/19

  56. Stiffened ultrathin Pt films confirmed by acoustic-phonon resonances

    Ogi H., Fujii M., Nakamura N., Yasui T., Hirao M.

    Physical Review Letters Vol. 98 No. 19 p. 195503-1-195503-4 2007/05/09

  57. Resonance acoustic-phonon spectroscopy for studying elasticity of ultrathin films

    Ogi H., Fujii M., Nakamura N., Shagawa T., Hirao M.

    Applied Physics Letters Vol. 90 No. 19 p. 191906-1-191906-3 2007/05/07

  58. Elastic, anelastic, and piezoelectric coefficients of α-quartz determined by resonance ultrasound spectroscopy

    Ogi Hirotsugu, Ohmori Toshinobu, Nakamura Nobutomo, Hirao Masahiko

    Journal of Applied Physics Vol. 100 No. 5 p. 053511-1-053511-7 2006/09/01

  59. Off-diagonal elastic constant and s p2 -bonded graphitic grain boundary in nanocrystalline-diamond thin films

    Ogi Hirotsugu, Nakamura Nobutomo, Tanei Hiroshi, Hirao Masahiko, Ikeda Ryuji, Takemoto Mikio

    Applied Physics Letters Vol. 86 No. 23 p. 231904-1-231904-3 2005/05/31

  60. Elastic constants and magnetic anisotropy of Co/Pt superlattice thin films

    Nakamura Nobutomo, Ogi Hirotsugu, Hirao Masahiko, Ono Teruo

    Applied Physics Letters Vol. 86 No. 11 p. 111918-1-111918-3 2005/03/11

  61. Determination of anisotropic elastic constants of superlattice thin films by resonant-ultrasound spectroscopy

    Nakamura Nobutomo, Ogi Hirotsugu, Hirao Masahiko, Ono Teruo

    Journal of Applied Physics Vol. 97 No. 1 p. 013532-1-013532-6 2005/01/01

  62. Resonance ultrasound spectroscopy for measuring elastic constants of thin films

    Nakamura Nobutomo, Ogi Hirotsugu, Hirao Masahiko

    Japanese Journal of Applied Physics Vol. 43 p. 3115-3118 2004/05/28

  63. Elastic anisotropy and incohesive bond of chemical-vapor-deposition diamond film: Acoustic resonance measurements and micromechanics modeling

    Nakamura Nobutomo, Ogi Hirotsugu, Ichitsubo Tetsu, Hirao Masahiko, Tatsumi Natsuo, Imai Takahiro, Nakahata Hideaki

    Journal of Applied Physics Vol. 94 No. 10 p. 6405-6410 2003/10/31

  64. Elastic, anelastic, and piezoelectric coefficients of Langasite : Resonance ultrasound spectroscopy with laser-doppler interferometry

    Ogi Hirotsugu, Nakamura Nobutomo, Sato Keiji, Hirao Masahiko, Uda Satoshi

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol. 50 No. 5 p. 553-560 2003/05

  65. Study on elastic anisotropy and functions of thin films : CVD diamond and Co/Pt superlattice

    中村 暢伴