-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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
-
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)
-
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
-
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)
-
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
-
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)
-
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
-
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
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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
-
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)
-
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)
-
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)
-
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)
-
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
-
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)
-
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)
-
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)
-
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
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)