N. Nakamura, N. M. Watanabe, K. Hattori, K. Yatsugi, and K. Suga “Surface-enhanced Raman scattering in Au nanostructures with sub-molecular gaps for molecular size detection” ACS Omega, accepted.
K. Adachi, S. Mukai, K. Higami, T. Saito, and N. Nakamura “Versatile confocal microscopy for imaging objects oscillating at frequencies exceeding the frame rate” Applied Physics Letters 126 (2025) 263704.
N. Nakamura, K. Yoshikawa, and A. Ishii Publisher’s Note: “Enhancement of hydrogen response by forming an Au submonolayer on nanogap Pd nanoparticles” Applied Physics Letters 125 (2024) 059901.
N. Nakamura, K. Matsuura, A. Ishii, and H. Ogi “Restructuring in bimetallic core-shell nanoparticles: Real-time observation” Physical Review B 105 (2022) 125401. (PDF)
2021
N. Nakamura, K. Kashiuchi, and H. Ogi “Multi-mode resistive spectroscopy for precisely controlling morphology of extremely narrow gap palladium nanocluster array” Review of Scientific Instruments 92 (2021) 063901.
N. Nakamura, Y. Sakamoto, and H. Ogi “Spontaneous nucleation on flat surface by depletion force in colloidal suspension” Scientific Reports 11 (2021) 8929.
L. Zhou, N. Nakamura, A. Nagakubo, and H. Ogi “Enhancement of sensitivity of Pd-based hydrogen-gas sensor by plasma exposure studied by wireless quartz resonator” Japanese Journal of Applied Physics 59 (2020) SKKB02.
2019
N. Nakamura, T. Ueno, and H. Ogi “Hydrogen-gas sensing at low concentrations using extremely narrow gap palladium nanoclusters prepared by resistive spectroscopy” Journal of Applied Physics 126 (2019) 225104. (PDF)
L. Zhou, N. Nakamura, A. Nagakubo, and H. Ogi “Highly sensitive hydrogen detection using curvature change of wireless-electrodeless quartz resonators” Applied Physics Letters 115 (2019) 171901. (PDF)
N. Nakamura, S. Nakashima, and H. Ogi “Mechanical oscillation accelerating nucleation and nuclei growth in hard-sphere colloidal glass” Scientific Reports 9 (2019) 12836.
N. Nakamura, T. Ueno, and H. Ogi “Precise control of hydrogen response of semicontinuous palladium film using piezoelectric resonance method” Applied Physics Letters 114 (2019) 201901. (PDF) Selected as a Featured Article!
2018
K. Adachi, H. Ogi, N. Takeuchi, N. Nakamura, H. Watanabe, T. Ito, and Y. Ozaki “Unusual elasticity of monoclinic β-Ga2O3“ Journal of Applied Physics 124 (2018) 085102. (PDF) Selected as a Featured Article!
2017
N. Nakamura and H. Ogi “Resistive spectroscopy coupled with non-contacting oscillator for detecting discontinuous-continuous transition of metallic films” Applied Physics Letters 111 (2017) 101902. (PDF)
N. Nakamura, K. Ianayama, T. Okuno, H. Ogi, and M. Hirao “Accelerated crystallization of colloidal glass by mechanical oscillation” Scientific Reports 7 (2017) 1369.
Nurmalia, N. Nakamura, H. Ogi, and M. Hirao “EMAT pipe inspection technique using higher mode torsional guided wave T(0,2)” NDT & E International 87 (2017) 78-84.
2016
K. Adachi, H. Ogi, A. Nagakubo, N. Nakamura, M. Hirao, M. Imade, M. Yoshimura, and Y. Mori “Piezoelectric coefficients of GaN determined by hopping conduction of carriers” Applied Physics Letters 109 (2016) 182108. (PDF)
N. Nakamura, K. Ashida, T. Takishita, H. Ogi, and M. Hirao “Inspection of stress corrosion cracking in welded stainless steel pipe using point-focusing electromagnetic-acoustic transducer” NDT & E International 83 (2016) 88-93. (Accepted Manuscrtip)
H. Ogi, S. Masuda, A. Nagakubo, N. Nakamura, M. Hirao, K. Kondou, and T. Ono “Impact of interface stiffness in surface-wave resonances on nano-strip-attached substrates” Physical Review B 93 (2016) 024112. (PDF)
N. Nakamura, N. Yoshimura, H. Ogi, and M. Hirao “Formation of continuous metallic film on quartz studied by noncontact resonant ultrasound spectroscopy” Journal of Applied Physics 118 (2015) 085302. (PDF)
N. Nakamura, H. Ogi, and M. Hirao “Review on acoustic transducers for resonant ultrasound spectroscopy” JOM 67 (2015) 1849-1855.
H. Ogi, Y. Tsutsui, N. Nakamura, A. Nagakubo, M. Hirao, M. Imade, M. Yoshimura, and Y. Mori “Hopping conduction and piezoelectricity in Fe-doped GaN studied by non-contacting resonant ultrasound spectroscopy” Applied Physics Letters 106 (2015) 091901. (PDF)
K. Tanigaki, H. Ogi, H. Sumiya, K. Kusakabe, N. Nakamura, M. Hirao, and H. Ledbetter “Observation of higher stiffness in nanopolycrystal diamond than monocrystal diamond” Nature Communications 4 (2013) 2343.
N. Nakamura, M. Sakamoto, H. Ogi, and M. Hirao “Elastic Constants of Langasite and Alpha Quartz at High Temperatures Measured by Antenna Transmission Acoustic Resonance” Review of Scientific Instruments 83 (2012) 073901. (PDF)
A. Nagakubo, A. Yamamoto, K. Tanigaki, H. Ogi, N. Nakamura, and M. Hirao “Monitoring of the Low-Temperature Phase Transitions of SrTiO3 Using Picosecond Ultrasound Spectroscopy” Japanese Journal of Applied Physics, 51 (2012) 07GA09.
Nurmalia, N. Nakamura, H. Ogi, M. Hirao, and K. Nakahata “Mode conversion behavior of SH guided wave in a tapered plate” NDT& E International, 45 (2012) 156-161.
N. Nakamura, A. Uranishi, M. Wakita, H. Ogi, M. Hirao, and M. Nishiyama “Elastic stiffness of L10 FePt thin film studied by picosecond ultrasonics” Applied Physics Letters, 98 (2011) 101911. (PDF)
H. Ogi, A. Yamamoto, K. Kondou, K. Nakano, K. Morita, N. Nakamura, T. Ono, and M. Hirao “Significant softening of copper nanowires during electromigration studied by picosecond ultrasound spectroscopy” Physical Review B, 82 (2010) 155436. (PDF)
N. Nakamura, T. Nakashima, H. Ogi, M. Hirao and M. Nishiyama “Fast recovery of elastic constant in thin films studied by resonant-ultrasound spectroscopy” Journal of Applied Physics, 107 (2010) 103541. (PDF)
K. Tanigaki, T. Kusumoto, H. Ogi, N. Nakamura, and M. Hirao “Measurement of Elastic Constant and Refraction Index of Thin Films at Low Temperatures Using Picosecond Ultrasound” Japanese Journal of Applied Physics, 49 (2010) 07HB01.
H. Ogi, K. Matsumoto, Y. Fujita, T. Kawamoto, N. Nakamura, and M. Hirao “Label-Free Ultrathin Pt Film Biosensor Using Phonon Vibrations Excited by Ultrafast Light Pulses” Applied Physics Express, 3 (2010) 017001.
N. Nakamura, T. Nakashima, S. Oura, H. Ogi, and M. Hirao “Resonant-Ultrasound Spectroscopy for Studying Annealing Effect on Elastic Constant of Thin Film” Ultrasonics, 50 (2010) pp.150-154.
2009
H. Ogi, T. Shagawa, N. Nakamura, and M. Hirao “Extraction of Interface Stiffness in Superlattices: Proposal of the Interface Elasticity Parameter” Applied Physics Express, 2 (2009) 105001.
H. Tanei, K. Kusakabe, H. Ogi, N. Nakamura, and M. Hirao “Observation of gamma-point phonon frequency in ultrathin metallic films confirmed by ab initio calculation and lattice dynamics” Applied Physics Letters, 95 (2009) 011902.
H. Ogi, T. Shagawa, N. Nakamura, M. Hirao, H. Odaka, and N. Kihara “Elastic-Constant Measurement in Oxide and Semiconductor Thin Films by Brillouin Oscillations Excited by Picosecond Ultrasound” Japanese Journal of Applied Physics, 48 (2009) 07GA01.
H. Tanei, K. Tanigaki, K. Kusakabe, H. Ogi, N. Nakamura, and M. Hirao “Stacking-Fault Structure Explains Unusual Elasticity of Nanocrystalline Diamonds” Applied Physics Letters, 94 (2009) 041914.
H. Ogi, T. Shagawa, N. Nakamura, M. Hirao, H. Odaka, and N. Kihara “Elastic Constant and Brillouin Oscillations in Sputtered Vitreous SiO2 Thin Films” Physical Review B, 78 (2008) 134204.
N. Nakamura, H. Ogi, T. Shagawa, and M. Hirao “Recovery of Elastic Constant of Ultra Thin Cu Films by Low Temperature Annealing” Applied Physics Letters, 92 (2008) 141901.
H. Ogi, M. Fujii, N. Nakamura, T. Shagawa, and M. Hirao “Resonance Acoustic-Phonon Spectroscopy for Studying Elasticity of Ultrathin Films” Applied Physics Letters, 90 (2007) 191906.
H. Ogi, T. Ohmori, N. Nakamura, and M. Hirao “Elastic, Anelastic, and Piezoelectric Coefficients of α-Quartz Determined by Resonance Ultrasound Spectroscopy” Journal of Applied Physics, 100 (2006) 053511.
N. Nakamura, H. Ogi, H. Nitta, H. Tanei, M. Fujii, T. Yasui, and M. Hirao “Study on Elastic Anisotropy of Cu Thin Films by Resonant-Ultrasonud Spectroscopy Coupled with Laser Doppler Interferometry and Pump-Probe Photoacoustics” Japanese Journal of Applied Physics, 45, 5B (2006) pp.4580-4584.
H. Ogi, N. Nakamura, H. Tanei, R. Ikeda, M. Hirao, and M. Takemoto “Off-Diagonal Elastic Constant and sp2-Bonded Graphitic Grain Boundary in Nanocrystalline-Diamond Thin Films” Applied Physics Letters, 86 (2005) 231904.
N. Nakamura, H. Ogi, M. Hirao, and T. Ono “Determination of anisotropic elastic constants of superlattice thin films by resonant-ultrasound spectroscopy” Journal of Applied Physics, 97 (2005) 013532.
N. Nakamura, H. Ogi, and M. Hirao “Resonance ultrasound spectroscopy with laser-doppler interferometry for studying elastic properties of thin films” Ultrasonics, 42 (2004) pp.491-494.
H. Ogi, N. Nakamura, M. Hirao, and H. Ledbetter “Determination of elastic, anelastic, and piezoelectric coefficients of piezoelectric materials from a single specimen by acoustic resonance spectroscopy” Ultrasonics, 42 (2004) pp.183-187.
N. Nakamura, H. Ogi, and M. Hirao “Elastic constants of chemical-vapor-deposition diamond thin films: Resonance ultrasound spectroscopy with laser-Doppler interferometry” Acta Materialia, 52 (2004) pp.765-771.
2003
N. Nakamura, H. Ogi, T. Ichitsubo, M. Hirao, N. Tatsumi, T. Imai, and H. Nakahata “Elastic anisotropy and incohesive bond of chemical-vapor-deposition diamond film: Acoustic resonance measurements and micromechanics modeling” Journal of Applied Physics, 94 (2003) pp.6405-6410.
Nurmalia, N. Nakamura, H. Ogi, and M. Hirao “Mode Conversion of Torsional Waves Generated by Electromagnetic Acoustic Transducer” AIP Conference Proceedings, Volume 1511, 909-915 (2013).
E. Maire, M. Persson Gulda, N. Nakamura, K. Jensen, E. Margolis, C. Friedsam, and F. Spaepen “Three Dimensional Confocal Microscopy Study of Boundaries between Colloidal Crystals” Optical Measurements, Modeling, and Metrology, Volume 5, 69-74 (2011).
H. Tanei, H. Ogi, N. Nakamura, and M. Hirao “Elastic Constants and sp2-Bonded Regions of Nanocrystalline Diamond Thin Films” AIP Conference Proceedings 1096 (2009) 1166-1173 Review of Progress in Quantitative Nondestructive Evaluation, 28B (2009) pp.1166-1173. (University of Illinois, Chicago, Illionis, USA, July 20 – July 25, 2008).
S. Uribe, N. Nakamura, H. Ogi, and M. Hirao “Mode Conversion of SH Guided Waves at Defects for Pipeline Inspection” AIP Conference Proceedings 1096 (2009) 1550-1557. Review of Progress in Quantitative Nondestructive Evaluation, 28B (2009) pp.1550-1557. (University of Illinois, Chicago, Illionis, USA, July 20 – July 25, 2008).
N. Nakamura, T. Shagawa, H. Ogi, and M. Hirao “Annealing Effect on Elastic Constant of Ultrathin Films Studied by Acoustic-Phonon Resonance Spectroscopy” CD-Proceedings, 1st International Symposium on Laser Ultrasonics (Montreal, Canada, July 16- 18, 2008).
H. Ogi, T. Shagawa, N. Nakamura, M. Hirao, H. Odaka, and N. Kihara “Elastic Constants and Microstructure of Amorphous SiO2 Thin Films Studied by Brillouin Oscillations” CD-Proceedings, 1st International Symposium on Laser Ultrasonics (Montreal, Canada, July 16- 18, 2008).
H. Tanei, K. Kusakabe, Y. Kake, N. Nakamura, H. Ogi, and M. Hirao “Anomalous Phonon-Vibration Frequencies in Metallic Ultrathin Films Studied by Resonant Acoustic-Phonon Spectroscopy and Ab-initio Calculations” CD-Proceedings, 1st International Symposium on Laser Ultrasonics (Montreal, Canada, July 16- 18, 2008).
N. Nakamura, A. Uranishi, T. Shagawa, H. Ogi, M. Hirao and M. Nishiyama “Laser-Induced Coherent Acoustic Phonons for Measuring Elastic Constants of Ultra-Thin Films” Proceedings of the 2008 M&M International Symposium for Young Researchers, pp.159-164 (Shirahama, Wakayama, Japan, March 9 – 10, 2008).
N. Nakamura, H. Ogi, T. Yasui, and M. Hirao “Correlation between elastic constant and perpendicular magnetic anisotropy in Co/Pt superlattice thin films studied by picosecond ultrasounds” 151st Meeting of the Acoustical Society of America (Rhode Island Convention Center, Providence, RI(Rhode Island), USA, June 5 – 9, 2006).
N. Nakamura, H. Nitta, H. Ogi, T. Yasui, and M. Hirao “Anisotropic Elastic Constants of Copper Thin Films: RUS/laser and Picosecond-Laser Ultrasound” AIP Conference Proceedings 820 (2006) 1141-1146. The Review of Progress in Quantitative Nondestructive Evaluation (QNDE) 2005 (Bowdoin College, Brunswick, ME(Maine), USA, July 31 – August 5, 2005).
N. Nakamura, H. Ogi, T. Ono, M. Hirao, T. Yasui, and O. Matsuda “Correlation Between Elastic Constants and Magnetic Anisotropy in Co/Pt Superlattice Thin Films” 2005 Material Research Society (MRS) Spring Meeting (Moscone Center West, San Francisco, CA, USA, March 28 – April 1, 2005).
H. Ogi, N. Nakamura, H. Tanei, R. Ikeda, M. Takemoto, and M. Hirao “Elastic Constants and Incohesive Grain Bonds of Nanocrystalline CVD-Diamond Thin Films: Resonant Ultrasound Spectroscopy and Micromechanics Calculation” 2005 Material Research Society (MRS) Spring Meeting (Moscone Center West, San Francisco, CA, USA, March 28 – April 1, 2005).
N. Nakamura, H. Ogi, and M. Hirao “Resonance Ultrasound Spectroscopy for Evaluating Elastic Constants and Incohesive Bonds of Thin Films” 16th World Conference on Nondestructive Testing (Palais des Congres, Montreal, Quebec, Canada, August 30 – September 3, 2004).
N. Nakamura, H. Ogi, T. Ono, and M. Hirao “Elastic Constants of Co/Pt Nano-Multilayers by Resonance Ultrasound Spectroscopy” AIP Conference Proceedings 760 (2005) 1145-1150. The Review of Progress in Quantitative Nondestructive Evaluation (QNDE) 2004. (Colorado School of Mines, Golden, Colorado, USA, July 25 – 30, 2004)
H. Ogi, N. Nakamura, and M. Hirao “Elastic anisotropy of thin films: Acoustic spectroscopy and micromechanics modeling” International Workshop on Materials Issue for MEMS/MST Devices (Suzukakedai Campus, Tokyo Institute of Technology, Yokohama, Japan, September 16, 2003).
N. Nakamura, H. Ogi, T. Ichitsubo, M. Hirao, and M. Nishiyama “Acoustic Spectroscopy for Measuring Anisotropic Elastic Constants of Thin Films” International Conference on Advanced Technology in Experimental Mechanics 2003. (Nagoya Congress Center, Nagoya, Japan, September 10 – 12, 2003)
N. Nakamura, H. Ogi, and M. Hirao “Resonance ultrasound spectroscopy with laser-Doppler interferometry for studying elastic properties of thin films” Ultrasonics International 2003. (Granada Conference and Exhibition Centre, Granada, Spain, June 30 – July 3, 2003)
N. Nakamura, Y. Shiraiwa, H. Ogi, and M. Hirao “In-situ Detection of Discontinuous-Continuous Morphological Transition of Thin Film” The 2nd International Symposium on Synthetic Two-Dimensional Polymers (Todaiji Temple Cultural Center, Nara, June 2-4, 2016)
N. Nakamura “Film Growth Monitoring using Electrodeless Quartz Oscillator” International Conference on Small Science (Holiday Inn Resort Phuket, Phuket, Thailand, November 4-7, 2015)
N. Nakamura “Antenna transmission acoustic resonance for piezoelectric material and film-growth monitoring” New directions in Resonant Ultrasound Spectroscopy (Universidad de Chile, Santiago, Chile, August 21-23, 2013)
N. Nakamura, M. Wakita, H. Ogi, and M. Hirao “Elastic stiffness of magnetic superlattice studied by picosecond ultrasonics “ The 8th International Symposium on Metallic Multilayers (Kyoto Research Park, Kyoto, May 20, 2013)
N. Nakamura “Acoustic Spectroscopy for Studying Elastic Stiffness of Thin Films” Materials Science Seminar (School of Engineering and Applied Physics, Harvard University) (Harvard University, Cambridge, MA, USA, February 10, 2011)
N. Nakamura, H. Ogi, and M. Hirao “Resonant ultrasound spectroscopy for studying fast recovery of elastic constant in thin films at room temperature” 2009 International Congress on Ultrasonics (Universidad de Santiago de Chile, Santiago, Chile, January 11 – 17, 2009)
Descriptions and etc
Nobutomo Nakamura “In-situ observation method for the formation process of metallic nanoparticles: Fabrication of nanogap nanoparticle and sensor applications” JSAP Review 2025 (2025) 250413.
中村暢伴 ”リアルタイムに金属ナノ粒子の形成過程を観察する手法 ～ナノギャップナノ粒子の作製とセンサ応用” 応用物理 94-3 (2025) pp. 142-145.