2021

Pinning in a Contact and Noncontact Manner: Direct Observation of a Three-Phase Contact Line Using Graphene Liquid Cells
Sota Hirokawa, Hideaki Teshima, Pablo Solís-Fernández, Hiroki Ago, Qin-Yi Li, Koji Takahashi
Langmuir XXXX, XXX, XXX-XXX(2021)

Reflected Laser Interferometry: A Versatile Tool to Probe Condensation of Low-Surface-Tension Droplets
Sirshendu Misra, Hideaki Teshima, Koji Takahashi, Sushanta K. Mitra
Langmuir, 37(27), 8073-8082 (2021)

Thermal conductivity measurement of an individual millimeter-long expanded graphite ribbon using a variable-length T-type method
Si Wu, Qin-Yi Li, Tatsuya Ikuta, Kazuhiko Morishita, Koji Takahashi, Ruzhu Wang, Tingxian Li
International Journal of Heat and Mass Transfer, 171, 121115 (2021)

Mechanistic Insights into Nanobubble Merging Studied Using In Situ Liquid-Phase Electron Microscopy
Sarthak Nag, Yoko Tomo, Koji Takahashi, Masamichi Kohno
Langmuir 37 (2), 874-881 (2021)


2020

Zigzag gas phases on holey adsorbed layers
Hideaki Teshima, Naoto Nakamura, Qin-Yi Li, Yasuyuki Takata, Koji Takahashi
RSC Advances, 10, 73, 44854-44859 (2020)

Ultra-strong stability of double-sided fluorinated monolayer graphene and its electrical property characterization
Haidong Wang, Masahiro Narasaki, Zhongwei Zhang, Koji Takahashi, Jie Chen, Xing Zhang
Scientific Reports, 10, 17562 (2020)

Nanostructured and Heterostructured 2D Materials for Thermoelectrics
Qin-Yi Li, Qing Hao, Tianhui Zhu, Mona Zebarjadi, Koji Takahashi
Engineered Science, (2020)

Nanoscale Bubble Dynamics Induced by Damage of Graphene Liquid Cells
Sota Hirokawa, Hideaki Teshima, Pablo Solis-Fernandez, Hiroki Ago, Yoko Tomo, Qin-Yi Li, Koji Takahashi
ACS Omega, 5, 19, 11180-11185 (2020)

Gas Molecules Sandwiched in Hydration Layers at Graphite/Water Interfaces
Hideaki Teshima, Qin-Yi Li, Yasuyuki Takata, Koji Takahashi
Physical Chemistry Chemical Physics, 22, 13629-13636 (2020)

Precursor-Film-Mediated Thermocapillary Motion of Low-Surface-Tension Microdroplets
Hideaki Teshima, Sirshendu Misra, Koji Takahashi, Sushanta K Mitra
Langmuir 36 (19), 5096-5105 (2020)


2019

Enhanced Thermoelectric Performance of As-Grown Suspended Graphene Nanoribbons
Qin-Yi Li, Tianli Feng, Wakana Okita, Yohei Komori, Hiroo Suzuki, Toshiaki Kato, Toshiro Kaneko, Tatsuya Ikuta, Xiulin Ruan, Koji Takahashi
ACS Nano, 13, 8, 9182?9189 (2019)

Adsorbed gas layers limit the mobility of micropancakes
Hideaki Teshima, Yasuyuki Takata, Koji Takahashi
Applied Physics Letters, 115, 071603 (2019)

Modification of thermal transport in an individual carbon nanofiber by focused ion beam irradiation
Masahiro Narasaki, Qin-Yi Li, Tatsuya Ikuta, Jin Miyawaki, Koji Takahashi
Carbon, 153, 539-544 (2019)

Water Confined in Hydrophobic Cup-Stacked Carbon Nanotubes beyond Surface-Tension Dominance
Qin-Yi Li, Ryo Matsushita, Yoko Tomo, Tatsuya Ikuta, Koji Takahashi
The Journal of Physical Chemistry Letters, 10(13), 3744-3749 (2019)

Frequency-domain Raman method to measure thermal diffusivity of one-dimensional microfibers and nanowires
Qin-Yi Li, Koji Takahashi, Xing Zhang
International Journal of Heat and Mass Transfer, 134, 539-546 (2019)


2018

Unexpected Homogeneous Bubble Nucleation near a Solid-Liquid Interface
Yoko Tomo, Qin-Yi Li, Tatsuya Ikuta, Yasuyuki Takata, Koji Takahashi
The Journal of Physical Chemistry C, 122(50), 28712-28716 (2018)

Measurement of thermal contact resistance between individual carbon fibers using a laser-flash Raman mapping method
Qin-Yi Li, Koki Katakami, Tatsuya Ikuta, Masamichi Kohno, Xing Zhang, Koji Takahashi
Carbon, 141, 92-98 (2018)

Meniscus Motion and Void Generation Inside Carbon Nanotubes
Yutaka Yamada, Kanoko Taguchi, Tatsuya Ikuta, Akihiko Horibe, Koji Takahashi
J. Phys. Chem. C, 122, 38, 21910-21918 (2018)

Variable-spot-size laser-flash Raman method to measure in-plane and interfacial thermal properties of 2D van der Waals heterostructures
Qin-Yi Li, Xing Zhang, and Koji Takahashi
International Journal of Heat and Mass Transfer, 125, 230-1239 (2018)

Superstable Ultrathin Water Film Confined in a Hydrophilized Carbon Nanotube
Yoko Tomo, Alexandros Askounis, Tatsuya Ikuta, Yasuyuki Takata, Khellil Sefiane, and Koji Takahashi
Nano Lett., 18 (3), pp 1869-1874 (2018)

Wettability of AFM tip influences the profile of interfacial nanobubbles
Hideaki Teshima, Koji Takahashi, Yasuyuki Takata, and Takashi Nishiyama
Journal of Applied Physics, 123, 054303 (2018)


2017

Comment on "Divergent and Ultrahigh Thermal Conductivity in Millimeter-Long Nanotubes"
Qin-Yi Li, Koji Takahashi, and Xing Zhang
Phys. Rev. Lett. 119, 179601 (2017)

Experimental study on thermal conductivity of free-standing fluorinated single-layer graphene
Masahiro Narasaki, Haidong Wang, Takashi Nishiyama, Tatsuya Ikuta, and Koji Takahashi
Appl. Phys. Lett. 111, 093103 (2017)

Measurement of specific heat and thermal conductivity of supported and suspended graphene by a comprehensive Raman optothermal method
Qin-Yi Li, Kailun Xia, Ji Zhang, Yingying Zhang, Qunyang Li, Koji Takahashi, Xing Zhang
Nanoscale, 9, pp.10784-10793 (2017)

Experimental study of thermal rectification in suspended monolayer graphene
Haidong Wang, Shiqian Hu, Koji Takahashi, Xing zhang, Hiroshi Takamatsu, and Jie Chen
Nature Communications 8, 15843 (2017)

Early Onset of Nucleate Boiling on Gas-covered Biphilic Surfaces
Biao Shen, Masayuki Yamada, Sumitomo Hidaka, Jiewei Liu, Junichiro Shiomi, Gustav Amberg, Minh Do-Quang, Masamichi Kohno, Koji Takahashi, Yasuyuki Takata
Scientific Reports 7, 2036 (2017)

Thermal Conductivity of Liquid/CNT Core-Shell Nanocomposites
Yutaka Yamada, Alexandros Askounis, Tatsuya Ikuta, Koji Takahashi, Yasuyuki Takata, and Khellil Sefiane
J. Appl. Phys. 121, 015104 (2017)

Nanobubble nucleation studied using Fresnel fringes in liquid cell electron microscopy
Yoko Tomo, Koji Takahashi, Takashi Nishiyama, Tatsuya Ikuta, and Yasuyuki Takata
Int. J. Heat Mass Transfer., 108, pp 1460-1465 (2017)

Nanoscale pinning effect evaluated from deformed nanobubbles
Hideaki Teshima, Takashi Nishiyama, and Koji Takahashi
J. Chem. Phys. 146, 014708 (2017)


2016

Tuning Surface Wettability at the Submicron-Scale: Effect of Focused Ion Beam Irradiation on a Self-Assembled Monolayer
Yutaka Yamada, Koji Takahashi, Tatsuya Ikuta, Takashi Nishiyama, Yasuyuki Takata, Wei Ma, and Atsushi Takahara
J. Phys. Chem. C, 120 (1), pp 274-280(2016)

A simple method for fabricating free-standing large area fluorinated single-layer graphene with size-tunable nanopores
Haidong Wang, Kosaku Kurata, Takanobu Fukunaga, Hiroshi Takamatsu, Xing Zhang, Tatsuya Ikuta, Koji Takahashi, Takashi Nishiyama, Hiroki Ago, Yasuyuki Takata
Carbon, 99, pp 564-570(2016)

Hydrophilic Domains Enhance Nanobubble Stability
Takashi Nishiyama, Koji Takahashi, Tatsuya Ikuta, Yutaka Yamada, Yasuyuki Takata
ChemPhysChem, 17, pp 1500-1504(2016)

In-situ measurement of the heat transport in defect-engineered free-standing single-layer graphene
Haidong Wang, Kosaku Kurata, Takanobu Fukunaga, Hiroshi Takamatsu, Xing Zhang, Tatsuya Ikuta, Koji Takahashi, Takashi Nishiyama, Hiroki Ago, Yasuyuki Takata
Scientific Reports, 6:21823, pp 1-7(2016)

A T-type Method for Characterization of the Thermoelectric Performance of an Individual Free-Standing Single Crystal Bi2S3 Nanowire
Weigang Ma, Tingting Miao, Xing Zhang, Koji Takahashi, Tatsuya Ikuta, Bo-Ping Zhang, and Zhenhua Ge
Nanoscale, 8, 2704-2710(2016)

Experimental Study of Nanobubbles and Nanodroplets on Hydrophilic/Hydrophobic Combined Surfaces (KEYNOTE)
Koji Takahashi, Takashi Nishiyama, Yutaka Yamada and Yasuyuki Takata
Proc. 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT2016), 11 to 13 July 2016, Costa del Sol, Spain, pp. 655-662

Wettability on Inner and Outer Surface of Single Carbon Nanotubes
Yutaka Yamada, Koji Takahashi, Yasuyuki Takata, and Khellil Sefiane
Langmuir, 32 (28), pp 7064-7069(2016)

Integrative characterization of the thermoelectric performance of an individual multiwalled carbon nanotube
Tingting Miao, Shaoyi Shi, Shen Yan, Weigang Ma, Xing Zhang, Koji Takahashi and Tatsuya Ikuta
J. Appl. Phys. Vol.120, Issue 12, 124302 (2016)

Temperature-dependent specific heat of suspended platinum nanofilms at 80-380 K
Qin-Yi Li, Masahiro Narasaki, Koji Takahashi, Tatsuya Ikuta, Takashi Nishiyama and Xing Zhang
Chinese Physics B, Volume 25, Number 11

Influence of ion beam scattering on the electrical resistivity of platinum hot films
Masahiro Narasaki, Haidong Wang, Yasuyuki Takata, Koji Takahashi
Microelectronic Engineering, Volume 166, Pages 15-18(2016)


2015

Metastable Nanobubbles at the Solid-Liquid Interface due to Contact Angle Hysteresis
Takashi Nishiyama, Yutaka Yamada, Tatsuya Ikuta, Koji Takahashi, and Yasuyuki Takata
Langmuir, 31 (3), pp 982-986(2015)

Temperature dependent thermal conductivity of a suspended submicron graphene ribbon
Qin-Yi Li, Koji Takahashi, Hiroki Ago, Xing Zhang, Tatsuya Ikuta, Takashi Nishiyama and Kenji Kawahara
J. Appl. Phys. 117, 065102 (2015)

Bubble activation from a hydrophobic spot at “negative” surface superheats in subcooled boiling
Biao Shen, Bambang Joko Suroto, Sana Hirabayashi, Masayuki Yamada, Sumitomo Hidaka, Masamichi Kohno, Koji Takahashi, Yasuyuki Takata
Applied Thermal Engineering,vol.88(5),pp 230-236(2015)

In-Situ ESEM and EELS Observation of Water Uptake and Ice Formation in Multilayer Graphene Oxide
Takeshi Daio, Thomas Bayer, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi, Yasuyuki Takata, Kazunari Sasaki & Stephen Matthew Lyth
Scientific Reports 5, Article number: 11807 (2015)

Temperature Mapping on a Suspended Carbon Nanotube Using Electron Thermal Microscopy
Koji Takahashi, Kazuma Nomoto, Tatsuya Ikuta
IEEE NANO 2015, 15th INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY, 27-30 JULY 2015, ROME, ITALY

MEASURING THE THERMAL CONTACT RESISTANCE WITHOUT SURFACE ROUGHNESS
K. TAKAHASHI, Y. KUWADA and T. IKUTA
The 26th International Symposium on Transport Phenomena, 27 Sep. - 1 Oct. 2015, Leoben, Austria

ナノスケールの親水部を有する撥水面での凝縮に関する研究
Study of condensation on hydrophobic surface with nanoscale hydrophilic regions
山田 寛, 草場 彰, 生田 竜也, 西山 貴史, 高橋 厚史, 高田 保之
Yutaka YAMADA, Akira KUSABA, Tatsuya IKUTA, Takashi NISHIYAMA, Koji TAKAHASHI and Yasuyuki TAKATA
日本機械学会論文集 Transactions of the JSME (in Japanese) Vol. 81, No. 823, 14-00495(2015)

集束イオンビーム照射を受けた 多層カーボンナノチューブの熱伝導
Thermal Transport in an Individual Multi-Walled Carbon Nanotube Defected by Focused Ion Beam Irradiation

楢﨑将弘、生田竜也、西山貴史、高橋厚史
Masahiro Narasaki, Tatsuya Ikuta, Takashi Nishiyama, and Koji Takahashi
熱物性, Vol.29, No.4, 179-184, 2015


2014

Direct evaluation of ballistic phonon transport in a multi-walled carbon nanotube
Hiroyuki Hayashi, Koji Takahashi, Tatsuya Ikuta, Takashi Nishiyama, Yasuyuki Takata, Xing Zhang
Appl. Phys. Lett. 104,113112 (2014)

Characterization of thermal transport in multiwalled carbon nanotube using FIB irradiation
Koji Takahashi, Hiroyuki Hayashi
Proc. 14th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 6892439 (2014)

Droplet Nucleation on a Well-Defined Hydrophilic-Hydrophobic Surface of 10-nm Order Resolution
Yutaka Yamada, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi, Yasuyuki Takata
Langmuir, 30 (48), 14532-14537 (2014)

Growth and Coalescence of Condensed Microdroplets on Graphite Surface
Yutaka Yamada, Akira Kusaba, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi, Yasuyuki Takata
Proc. 5th International Conference on Heat Transfer and Fluid Flow in Microscaale (HTFFM), Paper No. 149 1-5 (2014)

Wettability-driven Water Condensation at the Micron and Submicron Scale
Yutaka Yamada, Akira Kusaba, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi, Yasuyuki Takata
Proc. 15th International Heat Transfer Conference (IHTC15), Paper No. IHTC-9177 1-8 (2014)

Gravity-assisted pulsed laser ablation for fabrication of compositional gradient thin film
Takashi Nishiyama, Takashi Kajiwara, Sachi Morinaga, Kunihito Nagayama
Thin Solid Films, 552, 92-97 (2014)

Micro-beam sensor for detection of thermal conductivity of gases and liquids
Hiroshi Takamatsu, Takanobu Fukunaga, Yuki Tanaka, Kosaku Kurata, Koji Takahashi
Sensors and Actuators, A: Physical, 206, 10-16 (2014)

Study on the Cross Plane Thermal Transport of Polycrystalline Molybdenum Nanofilms by Applying Picosecond Laser Transient Thermoreflectance Method
Tingting Miao, Weigang Ma, Xing Zhang, Keisuke Kubo, Masamichi Kohno, Yasuyuki Takata, Tatsuya Ikuta, Koji Takahashi
Journal of Nanomaterials, Volume 2014, 578758 (2014)


2013

Enhanced anisotropic heat conduction in multi-walled carbon nanotubes
Hiroyuki Hayashi, Tatsuya Ikuta, Takashi Nishiyama and Koji Takahashi
J. Appl. Phys. 113, 014301 (2013)

Measuring the Thermal Boundary Resistance of van der Waals Contacts Using an Individual Carbon Nanotube
Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
J. Phys.: Condens. Matter 25, 025301 (2013)

カーボンナノチューブプローブを用いた表面温度計測法
Surface Temperature Measurement Using a Carbon Nanotube Probe

天野 樹生,廣谷 潤,生田 竜也,西山 貴史,高橋 厚史
日本機械学会論文集(B 編)79 巻 799 号 (2013-3)390-398

Carbon nanotube thermal probe for quantitative temperature sensing
Jun Hirotani, Juo Amano, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
Sensors and Actuators A:Physical, 199, 1-8 (2013)

Optical absorptance measurement of an individual multiwall carbon nanotube using a T type thermal probe method
Qin-Yi Li, Jin-Hui Liu, Haidong Wang, Xing Zhang, and Koji Takahashi
Rev Sci Instrum. 2013 Oct;84(10):104905

Breakdown of Wiedemann-Franz law in individual suspended polycrystalline gold nanofilms down to 3 K Haidong Wang
Jin-Hui Liu, Xing Zhang, Koji Takahashi
International Journal of Heat and Mass Transfer Volume 66, November 2013, Pages 585-591

Experimental Study on Interfacial Thermal Transport of Multi-Walled carbon Nanotube
Koji Takahashi, Jun Hirotani, Yutaka Yamada
Proc. 5th International Conf. Nanotechnology (NANOTECHNOLOGY '13), Feb.20-22, 2013, Cambridge, UK, pp.310-315

Submicron Scale Condensation on Hydrophobic and Hydrophilic Surfaces
Yutaka Yamada, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi, Yasuyuki Takata
Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition IMECE2013, November 15-21, 2013, San Diego, California, USA, IMECE2013-66186

Experimental Study on Thermal Contact Resistance at the End of a Carbon Nanotube
Jun Hirotani, Tatsuya Ikuta, Koji Takahashi
International Journal of Thermophysics: Volume 34, Issue 12 (2013), Page 2351-2360

Nanobubbles on a Very Flat Hydrophobic Surface Prepared by Self-Assembled Monolayers
Takashi Nishiyama, Koji Takahashi, Yasuyuki Takata
Proc. ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer MNHMT2013, December 11-14, 2013, Hong Kong, China, MNHMT2013-22077

Experimental Study on Thermal Contact Resistance of Multi-Walled Carbon Nanotubes
Kazunari Tsuru, Yutaka Yamada, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
Proc. ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer MNHMT2013, December 11-14, 2013, Hong Kong, China, MNHMT2013-22078


2012

APPLICATIONS OF NANO HOT-FILM SENSOR FOR MICRO/NANOSCALE THERMAL MEASURMENT
Koji Takahashi, Jun Hirotani, Takashi Nishiyama, Tatsuya Ikuta, Hiroshi Takamatsu
Proc. ASME 2012 3rd Micro/Nanoscale Heat & Mass Transfer International Conference, March 3-6, 2012, Atlanta, Georgia, USA,MNHMT2012-75030

Macro and Microscopic Measurement of Thermal Boundary Resistance of a Carbon Nanotube
Yutaka Yamada, Takahiro Yasuhara, Jun Hirotani, Takashi Nishiyama, Tatsuya Ikuta, Koji Takahashi
The 8th KSME-JSME Thermal and Fluids Engineering Conference, Incheon, Korea, March 18-21, 2012 (GST19-002)

Measurement Method of Thermal Conductivity of Chirality-Identified Individual SWNT
Hiroyuki Hayashi, Masamichi Kohno, Hiroki Ago, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
The 8th KSME-JSME Thermal and Fluids Engineering Conference, Incheon, Korea, March 18-21, 2012 (GST19-007)

Non-fourier heat conduction study for steady states in metallic nanofilms
Wang H. D., Liu J. H., Guo Z. Y., Takahashi K.
Chin. Sci. Bull., 57(24), 3239-3243 (2012)

Thermal Conductivity of Partially-Defected Individual Carbon Nanotubes
Hiroyuki Hayashi, Tatsuya Ikuta, Takashi Nishiyama and Koji Takahashi
EIGHTEENTH SYMPOSIUM ON THERMOPHYSICAL PROPERTIES, June 24 - 29, 2012, Boulder, CO, USA (PaperID 1212)

Fabrication of a Micro-Beam MEMS Sensor for Measurement of Thermal Conductivity of Fluids
Yuki Tanaka, Takanobu Fukunaga, Kosaku Kurata, Koji Takahashi and Hiroshi Takamatsu
EIGHTEENTH SYMPOSIUM ON THERMOPHYSICAL PROPERTIES, June 24 - 29, 2012, Boulder, CO, USA (PaperID 1559)

Thermal Boundary Conductance between Multi-walled Carbon Nanotubes
Yutaka Yamada, Takashi Nishiyama, Takahiro Yasuhara, Koji Takahashi
J. Thermal Science and Technology 7(1), 190-198 (2012)

EFFECT OF NANOSCALE STRUCTURE ON THERMAL CONTACT RESISTANCE OF CARBON NANOTUBES
Yutaka Yamada, Takashi Nishiyama, Tatsuya Ikuta, Koji Takahashi
Proc. ASME 2012 Summer Heat Transfer Conference HT2012, July 8-12, 2012, Rio Grande, Puerto Rico, HT2012-58203

EDGE EFFECT ON PHONON TRANSPORT IN SUSPENDED AND SUPPORTED GRAPHENE NANORIBBONS
Masanari Kimura, Takafumi Matsuzaki, Koji Takahashi
Computational Thermal Sciences, 4(3), 193-199 (2012)

INDIVIDUAL MEASUREMENT OF THERMAL CONDUCTIVITY OF DAMAGED MWCNT
Hiroyuki Hayashi, Tatsuya Ikuta, Takashi Nishiyama and Koji Takahashi
Proc. 3rd International Forum on Heat Transfer, November 13-15, 2012, Nagasaki

Thermal Boundary Resistance of Nanoscale van der Waals Contacts between a Carbon Nanotube End and Solid Surfaces
Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
Proc. 3rd International Forum on Heat Transfer, November 13-15, 2012, Nagasaki

The effect of nanocarbon materials on surface wettability
Takashi Nishiyama, Takanori Nakayama, Koji Takahashi, Yasuyuki Takata
Proc. 3rd International Forum on Heat Transfer, November 13-15, 2012, Nagasaki
IFHT2012-173

Quantitative Evaluation of Carbon Nanotube Fin for Chip Cooling
Yutaka Yamada, Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
Proc. 23th International Symposium on Transport Phenomena, Auckland, New Zealand, 19-22 November 2012, No 142

Carbon Nanotube Temperature Profiler using Platinum Hot Film
Juo Amano, Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
Proc. 23rd International Symposium on Transport Phenomena, Auckland, New Zealand, 19-22 November 2012, No.182

Measuring the Thermal Boundary Resistance of van der Waals Contacts Using an Individual Carbon Nanotube
Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
J. Physics: Condensed Matter, 25, 025301 (2012)

Compositionally gradient thin film deposition by pulse laser ablation under high gravity
Takashi Nishiyama, Takashi Kajiwara, and Kunihito Nagayama
Defect and Diffusion Forum Vols. 323-325, 559-563, 2012


2011

Thermal rectification of asymmetrically-defective materials
Hiroyuki Hayashi, Yohei Ito and Koji Takahashi
Journal of Mechanical Science and Technology 25 (1) (2011) 27-32

DEFECT-INDUCED THERMAL RECTIFICATION: NUMERICAL STUDY ON CARBON NANOTUBE AND FPU-beta LATTICE
Hiroyuki Hayashi, and Koji Takahashi
Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference (AJTEC2011), March 13-17, 2011, Honolulu, Hawaii, USA, AJTEC2011-44071, 2010

Deposition rate and movement effect of paraffin-based EBID
Satoshi Kai, Koji Takahashi, Hilmi Norsyazwan, Tatsuya Ikuta, Takashi Nishiyama and Kunihito Nagayama
Electronics and Communications in Japan Volume 94, Issue 5, May 2011, Pages: 39-46, Article first published online : 25 APR 2011, DOI: 10.1002/ecj.10192

Thermal boundary resistance between the end of an individual carbon nanotube and a Au surface
Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama and Koji Takahashi
Nanotechnology 22 (2011) 315702 (5pp)

Experimental study on the influences of grain boundary scattering on the charge and heat transport in gold and platinum nanofilms
Wang, H.-D. , Liu, J.-H. , Zhang, X. , Guo, Z.-Y., Takahashi, K.
Heat and Mass Transfer/Waerme- und Stoffuebertragung Volume 47, Issue 8, August 2011, Pages 893-898
DOI: 10.1007/s00231-011-0825-5

EXPERIMENTAL AND COMPUTATIONAL ANALYSIS OF HEAT CONDUCTION OF CARBON NANOTUBE PELLET
Yutaka Yamada, Takashi Nishiyama, Takahiro Yasuhara, Koji Takahashi
Proceedings of the 4th International Conference on Heat Transfer and Fluid Flow in Microscale HTFFM-IV, 4-9 September, 2011, Fukuoka, Japan, HTFFM-146

MOLECULAR DYNAMICS SIMULATION OF PHONON TRANSPORT IN SUSPENDED AND SUPPORTED GRAPHENE NANORIBBONS
Masanari Kimura, Takafumi Matsuzaki, Koji Takahashi
Proceedings of the 4th International Conference on Heat Transfer and Fluid Flow in Microscale HTFFM-IV, 4-9 September, 2011, Fukuoka, Japan, HTFFM-147

A MICRO-BEAM MEMS SENSOR FOR MEASUREMENT OF THERMAL CONDUCTIVITY OF FLUIDS AT A STEADY STATE
Yuki Tanaka, Toshiyuki Tanaka, Satoru Uchida, Takanobu Fukunaga Kosaku Kurata, Koji Takahashi, Hiroshi Takamatsu
HTFFM-IV, 4-9 September, 2011, Fukuoka, Japan, HTFFM-149

EXPERIMENTAL STUDY ON THE THERMAL BOUNDARY RESISTANCE BETWEEN AN INDIVIDUAL CARBON NANOTUBE END AND A AU SURFACE
Jun Hirotani, Tatsuya Ikuta, Takashi Nishiyama, Koji Takahashi
Proceedings of the ASME 2011 International Mechanical Engineering Congress and Exposition (IMECE2011) November 11-17, 2011, Denver, Colorado, USA, IMECE2011-62844

Experimental Study on Thermal Contact Resistance at the End of a Carbon Nanotube
Jun Hirotani, Tatsuya Ikuta, Koji Takahashi
International Journal of Thermophysics, online Dec. 2011
DOI: 10.1007/s10765-011-1137-1


2010

カーボンナノチューブと固体間の界面熱抵抗に関する実験的研究
廣谷潤,甲斐聡, 生・Ec竜也,高橋厚史
日本機械学会論文集 076巻769号B編 1412-1419, (2010)

Feasibility Study of a Novel Technique for Measurement of Liquid Thermal Conductivity with a Micro-beam Sensor
Hiroshi TAKAMATSU, Kyosuke INADA, Satoru UCHIDA, Koji TAKAHASHI and Motoo FUJII
International Journal of Thermophysics, 31(4-5), 888?899 (2010)

Defective Carbon Nanotube for Use as a Thermal Rectifier
Koji TAKAHASHI, Masato INOUE, and Yohei ITO
Japanese Journal of Applied Physics 49, 02BD12 (2010)

One-Dimensionality of Phonon Transport in Cup-Stacked Carbon Nanofiber
Yohei ITO, Masato INOUE, and Koji TAKAHASHI
J. Phys.: Condens. Matter 22, 065403 (2010)

Thermal Rectification of Asymmetrically-Defective Carbon Nanotubes
Hiroyuki HAYASHI, Yohei ITO and Koji TAKAHASHI
Proc. Joint Int. Symposia 3rd Micro & Nano-Technology and Micro/Nanoscale Energy Conversion & Transport-2010, Seoul, Korea, 24-26, March, (2010)

Experimental Study on Interfacial Thermal Resistance between Carbon Nanotube Tip and Solid Surface
Jun HIROTANI, Satoshi KAI, Tatsuya IKUTA and Koji TAKAHASHI
Proc. Joint Int. Symposia 3rd Micro & Nano-Technology and Micro/Nanoscale Energy Conversion & Transport-2010, Seoul, Korea, 95-97, March, (2010)

Submicroscale Flow Sensor Employing Suspended Hot Film with Carbon Nanotube Fins
Yohei ITO, Taku HIGUCHI and Koji TAKAHASHI
Journal of Thermal Science and Technology, 5(1), 51-60 (2010)

A Graphene Chain Acts as a Long-Distance Ballistic Heat Conductor
Koji TAKAHASHI, Yohei ITO and Tatsuya IKUTA
Proc. Int. Heat Transfer Conference IHTC14, Washington, DC, USA, IHTC14-22289, August, (2010)

Measurement Technique of Thermal Contact Resistance of a Carbon Nanotube Tip
Jun HIROTANI, Tatsuya IKUTA and Koji TAKAHASHI
9th Asian Thermophysical Properties Conference ATPC2010, Beijing, China, ATPC9-109210, Oct, (2010)

Numerical Study on Defect-Induced Asymmetric Heat Conduction
Hiroyuki HAYASHI and Koji TAKAHASHI
9th Asian Thermophysical Properties Conference ATPC2010, Beijing, China, ATPC9-109237, Oct, (2010)

Preliminary Study of the Measurement of Thermal Conductivity of Fluids with a Micro-Beam MEMS Sensor
Hiroshi TAKAMATSU, Toshiyuki TANAKA, Yusaku FURUYA, Satoru UCHIDA, Kosaku KURATA and Koji TAKAHASHI
9th Asian Thermophysical Properties Conference ATPC2010, Beijing, China, ATPC9-109047, Oct, (2010)

Effective Patterning of Metal Nanoparticles on Sapphire Surface for Aligned Growth of Single-Walled Carbon Nanotubes
Hiroki. AGO, Ryota OHDO, Masaharu. TSUJI, Tatsuya IKUTA and Koji TAKAHASHI
J. Nanoscience and Nanotechnology, 10(6), 3867-3872 (2010)

Orthogonal Growth of Horizontally Aligned Single-Walled Carbon Nanotube Arrays
Hiroki AGO, Tetsushi NISHI, Kenta IMAMOTO, Naoki ISHIGAMI, Masaharu TSUJI, Tatsuya IKUTA and Koji TAKAHASHI
J. Phys. Chem. C, 113(34), 11589-11593 (2010)

Growth of Horizontally Aligned Single-Walled Carbon Nanotubes on Anisotropically Etched Silicon Substrate
Carlo M. OROFEO, Hiroki AGO, Tatsuya IKUTA, Koji TAKAHASHI and Masaharu TSUJI
Nanoscale, 2(9), 1708-1714 (2010)

Laser Ablation of Liquid Surface in Air Induced by Laser Irradiation through Liquid Medium
Yuji UTSUNOMIYA, Takashi KAJIWARA, Takashi NISHIYAMA, Kunihito NAGAYAMA, Shiro KUBOTA and Motonao NAKAHARA
Appl. Phys. A: Mater. Sci. Process., 101(1), 137-141 (2010)

Optical Emission Spectroscopy of Thin Film Fabrication by Pulsed Laser Ablation under High-Gravity
Takashi KAJIWARA, Takashi NISHIYAMA, Sachi MORINAGA and Kunihito NAGAYAMA
Appl. Phys. A: Mater. Sci. Process., 101(4), 739-742 (2010)

Fabrication of Compositionally Graded Thin Films by Gravity-Assisted Pulsed Laser Ablation
Sachi MORINAGA, Takashi NISHIYAMA, Takashi KAJIWARA and Kunihito NAGAYAMA
Appl. Phys. A: Mater. Sci. Process., 101(4), 743-746 (2010)

Roles of Hydrogen Atmospheres in Growth of Ultrananocrystalline Diamond by Pulsed Laser Deposition
Kenji HANADA, Takashi NISHIYAMA, Tsuyoshi YOSHITAKE and Kunihito NAGAYAMA
Mater. Sci. Forum, 638-642, 1685-1690 (2010)

Optical Emission Spectroscopy of Deposition Process of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films by Using a Coaxial Arc Plasma Gun
Kenji HANADA, Takashi NISHIYAMA, Tsuyoshi YOSHITAKE and Kunihito NAGAYAMA
Diamond Relat. Mater. 19, 899-903 (2010)

Time-Resolved Spectroscopic Observation of Deposition Processes of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films by Using a Coaxial Arc Plasma Gun
Kenji HANADA, Tsuyoshi YOSHITAKE, Takashi NISHIYAMA and Kunihito NAGAYAMA
Jpn. J. Appl. Phys. 49(8), 08JF09 (2010)