AKITA Seiji

J-GLOBAL         Last updated: Nov 8, 2018 at 14:36
 
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Name
AKITA Seiji
Affiliation
Osaka Prefecture University
Job title
Professor
Degree
Mastor(Osaka Prefecture University), Doctor(Engineering)(Osaka Prefecture University)

Research Interests

 
 

Research Areas

 
 

Education

 
 
 - 
1988
Graduate School, Division of Engineering, Osaka Prefecture University
 
 
 - 
1986
Faculty of Engineering, Osaka Prefecture University
 

Awards & Honors

 
Oct 2011
Sustained Mechanical Self-Oscillation of Cantilevered Carbon Nanotube by Phase Locked Loop with Opt-Mechanical, Most Impressive Poster Award, MNC2010
Winner: A. Yoshinaka, T. Arie and S. Akita
 
2001
MNC2001 Most Impressive Poster
 

Published Papers

 
Shiho Kobayashi, Yuki Anno, Kuniharu Takei, Takayuki Arie, Seiji Akita
Scientific Reports   8    Dec 2018
© 2018 The Author(s). Graphene/semiconductor Schottky junctions are an emerging field for high-performance optoelectronic devices. This study investigates not only the steady state but also the transient photoresponse of graphene field-effect tran...
Taichi Inoue, Yuta Mochizuki, Kuniharu Takei, Takayuki Arie, Seiji Akita
2D Materials   5    Sep 2018
© 2018 IOP Publishing Ltd. Atomically thin two-dimensional (2D) mechanical resonators should realize highly sensitive force sensors and high performance nano-electro-mechanical systems due to their excellent electrical and mechanical properties. H...
Yuya Hasuike, Takayuki Arie, Seiji Akita, Kuniharu Takei, Kuniharu Takei
Advanced Electronic Materials   4    Aug 2018
© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Future flexible electronics must exhibit complete mechanically flexibility for a conformal covering without stress or discomfort as human-interactive electronics. Consequently, each component sho...
Yuga Miyamoto, Daiki Yoshikawa, Kuniharu Takei, Takayuki Arie, Seiji Akita
Japanese Journal of Applied Physics   57    Jun 2018
© 2018 The Japan Society of Applied Physics. An atomically thin MoS2field-effect transistor (FET) is expected as an ultrathin photosensor with high sensitivity. However, a persistent photoconductivity phenomenon prevents high-speed photoresponse. ...
Masaaki Yasuda, Kuniharu Takei, Takayuki Arie, Seiji Akita
Scientific Reports   7    Dec 2017
© The Author(s) 2017. Optical tweezers based on optical radiation pressure are widely used to manipulate nanoscale to microscale particles. This study demonstrates direct measurement of the optical force gradient distribution acting on a polystyre...
Kenichiro Kanao, Shogo Nakata, Takayuki Arie, Seiji Akita, Kuniharu Takei
Materials Horizons   4 1079-1084   Nov 2017
© The Royal Society of Chemistry 2017. The internet of things concept has promoted research on human-interactive electronics for wearable devices and robotic applications. One interesting application is wallpaper to monitor a room environment and ...
Yuki Yamamoto, Daisuke Yamamoto, Makoto Takada, Hiroyoshi Naito, Hiroyoshi Naito, Takayuki Arie, Seiji Akita, Kuniharu Takei
Advanced Healthcare Materials   6    Sep 2017
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Wearable, flexible healthcare devices, which can monitor health data to predict and diagnose disease in advance, benefit society. Toward this future, various flexible and stretchable sensors as w...
Yuki Anno, Masato Takeuchi, Masaya Matsuoka, Kuniharu Takei, Seiji Akita, Takayuki Arie
Applied Physics Letters   110    Jun 2017
© 2017 Author(s). The thermoelectric properties of graphene are strongly related to the defect density, and as such, these can be used to investigate carrier scattering. In this study, the defect density was controlled by the use of oxygen plasma ...
Yuki Anno, Yuki Imakita, Kuniharu Takei, Seiji Akita, Takayuki Arie
2D Materials   4    Jun 2017
© 2017 IOP Publishing Ltd. Thermoelectric properties of materials are typically evaluated using the figure of merit, ZT, which relies on both the electrical and thermal properties of the materials. Although graphene has a high thermoelectric power...
H. Tomizawa, H. Tomizawa, K. Suzuki, K. Suzuki, T. Yamaguchi, S. Akita, K. Ishibashi, K. Ishibashi, K. Ishibashi, K. Ishibashi
Nanotechnology   28    Mar 2017
© 2017 IOP Publishing Ltd. We have formed tunnel barriers in individual multi-wall carbon nanotubes using the Ga focused ion beam irradiation. The barrier height was estimated by the temperature dependence of the current (Arrhenius plot) and the c...
Shogo Nakata, Takayuki Arie, Seiji Akita, Kuniharu Takei
ACS Sensors   2 443-448   Mar 2017
© 2017 American Chemical Society. Real-time daily healthcare monitoring may increase the chances of predicting and diagnosing diseases in their early stages which, currently, occurs most frequently during medical check-ups. Next-generation noninva...
Daisuke Yamamoto, Shogo Nakata, Kenichiro Kanao, Takayuki Arie, Seiji Akita, Kuniharu Takei
Advanced Materials Technologies   2    Jan 2017
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Flexible healthcare devices attract much research attention due to their potential application in everyday health monitoring and data acquisition. In order to precisely monitor changes in health ...
Yuki Yamamoto, Shingo Harada, Daisuke Yamamoto, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Science Advances   2    Nov 2016
© 2016 The Author. Real-time health care monitoring may enable prediction and prevention of disease or improve treatment by diagnosing illnesses in the early stages. Wearable, comfortable, sensing devices are required to allow continuous monitorin...
Shogo Nakata, Kenichiro Kanao, Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
Physica Status Solidi (A) Applications and Materials Science   213 2345-2351   Sep 2016
© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim One of the major challenges toward widespread application of flexible tactile pressure sensors lies in the distinction between tactile pressure stimuli and contributions from substrate bending. T...
Yukiko Wada, Yukiko Wada, Koji Kita, Kuniharu Takei, Takayuki Arie, Seiji Akita
Applied Physics Express   9    Aug 2016
© 2016 The Japan Society of Applied Physics. We investigate the pressure dependence of heat transfer to ambient gases for a suspended carbon nanotube yarn. The heat transport of the yarn including the heat exchange with surrounding gases is invest...
Masaaki Yasuda, Kuniharu Takei, Takayuki Arie, Seiji Akita
Scientific Reports   6    Mar 2016
Despite the superb intrinsic properties of carbon nanotube mechanical resonators, the quality factors at room temperature are 1,000 or less, even in vacuum, which is much lower than that of mechanical resonators fabricated using a top-down approac...
Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Advanced Materials Technologies   1    Jan 2016
© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Flexible electronics is now one of key technologies for electronic devices that collect information from nonplanar surfaces, ultimately enabling the realization of the trillion sensor concept and...
Kenichiro Kanao, Takayuki Arie, Seiji Akita, Kuniharu Takei
Journal of Materials Chemistry C   4 9261-9265   Jan 2016
© 2016 The Royal Society of Chemistry. Flexible electronics have great potential as the next class of macroscale multi-sensing devices capable of collecting a variety of information from diverse surfaces. A platform to integrate different electric...
Shohei Ishida, Yuki Anno, Masato Takeuchi, Masaya Matsuoka, Kuniharu Takei, Takayuki Arie, Seiji Akita
Scientific Reports   5    Oct 2015
Graphene is a promising material for use in photodetectors for the ultrawide wavelength region: from ultraviolet to terahertz. Nevertheless, only the 2.3% light absorption of monolayer graphene and fast recombination time of photo-excited charge r...
Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Scientific Reports   5    Oct 2015
Low-power flexible logic circuits are key components required by the next generation of flexible electronic devices. For stable device operation, such components require a high degree of mechanical flexibility and reliability. Here, the mechanical...
Wataru Honda, Shingo Harada, Shohei Ishida, Takayuki Arie, Seiji Akita, Kuniharu Takei
Advanced Materials   27 4674-4680   Aug 2015
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. A vertically integrated inorganic-based flexible complementary metal-oxide-semiconductor (CMOS) inverter with a temperature sensor with a high inverter gain of ≈50 and a low power consumption of...
Takehiro Gohara, Kuniharu Takei, Takayuki Arie, Seiji Akita
Carbon   89 225-231   Aug 2015
© 2015 Elsevier Ltd. All rights reserved. Carbon nanocoils (CNC) are promising nanocarbon materials for application as functional composites such as electromagnetic wave absorbers. However, the suppression of carbon byproducts during CNC growth is...
H. Tomizawa, H. Tomizawa, T. Yamaguchi, S. Akita, K. Ishibashi, K. Ishibashi, K. Ishibashi
Journal of Applied Physics   118    Jul 2015
© 2015 AIP Publishing LLC. We have evaluated tunnel barriers formed in multi-walled carbon nanotubes (MWNTs) by an Ar atom beam irradiation method and applied the technique to fabricate coupled double quantum dots. The two-terminal resistance of t...
Yuki Yamamoto, Kenichiro Kanao, Takayuki Arie, Seiji Akita, Kuniharu Takei
ACS Applied Materials and Interfaces   7 11002-11006   May 2015
© 2015 American Chemical Society. Harnessing a natural power source such as the human body temperature or sunlight should realize ultimate low-power devices. In particular, macroscale and flexible actuators that do not require an artificial power ...
Kuniharu Takei, Wataru Honda, Shingo Harada, Takayuki Arie, Seiji Akita
Advanced Healthcare Materials   4 487-500   Mar 2015
© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This Progress Report introduces flexible wearable health-monitoring devices that interact with a person by detecting from and stimulating the body. Interactive health-monitoring devices should b...
Seiji Akita
Frontiers of Graphene and Carbon Nanotubes: Devices and Applications   187-201   Jan 2015
© 2015, Springer Japan. Carbon nanotubes (CNT) are appropriate for nanoscale mechanical system such as nano-switches and nanomechanical resonators for mass sensor application because of their lightweight, high aspect ratio, and extraordinary mecha...
Atsuko Nagataki, Atsuko Nagataki, Kuniharu Takei, Takayuki Arie, Seiji Akita
Applied Physics Express   8    Jan 2015
© 2015 The Japan Society of Applied Physics. We demonstrate the control of a cantilever-type carbon-nanotube mechanical resonator in a potential well induced by van der Waals interaction with a graphene flake using molecular dynamics simulations. ...
Seiichiro Higashi, Koji Kita, Seiji Akita
Japanese Journal of Applied Physics   54    Jan 2015
Kenichiro Kanao, Shingo Harada, Yuki Yamamoto, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
RSC Advances   5 30170-30174   Jan 2015
© 2015 The Royal Society of Chemistry. Flexible devices can conformally cover any surfaces and interact with different stimuli such as human touch. Although a flexible tactile sensor has been reported as an artificial skin application, distinguish...
Yuki Anno, Kuniharu Takei, Seiji Akita, Takayuki Arie
Advanced Electronic Materials   1    Jan 2015
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The thermoelectric properties of various graphene samples, including isotopically modified heterostructures grown by chemical vapor deposition, are investigated from the viewpoint of thermoelectr...
Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
Advanced Electronic Materials   1    Jan 2015
Yukiko Wada, Yukiko Wada, Yoshihiro Fujita, Kuniharu Takei, Takayuki Arie, Seiji Akita
Japanese Journal of Applied Physics   54    Jan 2015
© 2015 The Japan Society of Applied Physics. We investigate the pressure dependence of transfer characteristics of suspended single-walled carbon-nanotube field-effect transistors. We find that the gate bias around the charge neutral point with lo...
Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Physica Status Solidi (A) Applications and Materials Science   211 2631-2634   Nov 2014
© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Foldable components such as electrodes, transistors, and sensors are necessary to realize wearable electronics to be reliable use. In this paper, we propose a printable and foldable electrode us...
Wataru Honda, Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
Advanced Functional Materials   24 3299-3304   Jun 2014
Wearable human-interactive devices are advanced technologies that will improve the comfort, convenience, and security of humans, and have a wide range of applications from robotics to clinical health monitoring. In this study, a fully printed wear...
Toshinori Kuroyanagi, Yuki Terada, Kuniharu Takei, Seiji Akita, Takayuki Arie
Applied Physics Letters   104    May 2014
We investigate the effects of humidity on the vibrations of carbon nanotubes (CNTs) using two types of CNT cantilevers: open-ended and close-ended CNT cantilevers. As the humidity increases, the resonant frequency of the open-ended CNT cantilever ...
Shingo Harada, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
ACS Nano   8 3921-3927   Apr 2014
Mammalian-mimicking functional electrical devices have tremendous potential in robotics, wearable and health monitoring systems, and human interfaces. The keys to achieve these devices are (1) highly sensitive sensors, (2) economically fabricated ...
Yuki Anno, Kuniharu Takei, Seiji Akita, Takayuki Arie
Physica Status Solidi - Rapid Research Letters   8 692-697   Jan 2014
Because phonons are the main carriers for graphene heat transfer, modifying the dynamic properties of the crystal lattice by isotopes modulates the phonon behavior and alters the thermal properties. Here we demonstrate an artificially controlled t...
Shingo Harada, Kenichiro Kanao, Yuki Yamamoto, Takayuki Arie, Seiji Akita, Kuniharu Takei
ACS Nano   8 12851-12857   Jan 2014
© 2014 American Chemical Society. A three-Axis tactile force sensor that determines the touch and slip/friction force may advance artificial skin and robotic applications by fully imitating human skin. The ability to detect slip/friction and tacti...
Takehiro Gohara, Kuniharu Takei, Takayuki Arie, Seiji Akita
Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures   32    Jan 2014
The authors investigate individual carbon nanocoil (CNC) growth by in-situ observations using optical microscopy. From the temperature dependence of growth rate, the activation energy for CNC growth was found to be 0.5eV. A higher activation energ...
Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
BioNanoScience   4 301-305   Jan 2014
Biologically inspired superhydrophobic and self-cleaning surfaces similar to a lotus leaf are of great interest for waterproof passivation in electronics as well as the different types of device applications, such as microfluidics and bacteria con...
Tatsuya Kagota, Atsuko Nagataki, Atsuko Nagataki, Kuniharu Takei, Takayuki Arie, Seiji Akita
Applied Physics Letters   103    Nov 2013
We investigated the release of a stuck carbon nanotube (CNT) cantilever beam in nanorelay applications using a nano-manipulator. Even with strong adhesion induced by electrostatic attraction that is 100 times stronger than the van der Waals intera...
Yukiko Wada, Yukiko Wada, Yusuke Ohshima, Takayuki Arie, Seiji Akita
Physica Status Solidi (C) Current Topics in Solid State Physics   10 1616-1619   Nov 2013
We have proposed a method for measuring the transient thermal response of an individual carbon nanotube under Joule heating with pulse current. A transient temperature response with a time constant of about 50 ns was measured. A simplified lumped ...
Seiya Hiroshima, Atsushi Yoshinaka, Takayuki Arie, Seiji Akita
Japanese Journal of Applied Physics   52    Jun 2013
We investigated the bimaterial effect on a multiwall carbon nanotube (CNT) cantilever by means of a photothermal actuation method toward sensitivity enhancement for calorimetry. The coating of a 10-nm-thick Ti layer on top of the CNT cantilever of...
Atsuko Nagataki, Atsuko Nagataki, Tatsuya Kagota, Takayuki Arie, Seiji Akita
Japanese Journal of Applied Physics   52    Apr 2013
We have investigated the release of a stuck carbon nanotube cantilever beam by molecular dynamics simulation toward nanorelay applications. We have demonstrated that the successful release of a nanotube arm from the stuck state at room temperature...
Atsushi Yoshinaka, Yuichi Yuasa, Seiya Hiroshima, Takayuki Arie, Takayuki Arie, Seiji Akita, Seiji Akita
Applied Physics Express   5    Jul 2012
We investigated the photothermal excitation of a mechanical resonator consisting of a carbon nanotube cantilever. Higher mode oscillations were successfully measured resulting from the elimination of parasitic vibrations. Based on a simple lumped ...
Ryuji Inori, Takako Okada, Takayuki Arie, Takayuki Arie, Seiji Akita, Seiji Akita
Nanotechnology   23    Jun 2012
We have investigated the diameter-selective separation of carbon nanotubes by one-pass gel chromatography with a gradient of surfactant concentration. The formation of surfactant gradient in a column was successfully measured and is explained by a...
Toru Takahashi, Takuya Yabumoto, Ryuji Inori, Takako Okada, Seiji Akita, Seiji Akita, Takayuki Arie, Takayuki Arie
Japanese Journal of Applied Physics   51    Jun 2012
We demonstrated single-walled carbon nanotube aggregation at electrode edges by local electric field enhancement by a focused laser irradiation. It was revealed that the formation of nanobubbles and their induced fluid motion play an important rol...
Kohei Murasaki, Yuki Anno, Seiji Akita, Takayuki Arie
Japanese Journal of Applied Physics   51    Jun 2012
We have proposed the application of the surface plasmon resonance method to the measurement of the optical response of graphene thin films. A surface plasmon is a coherent electron oscillation that is excited at the interface between two materials...
Naoyuki Matsunaga, Takayuki Arie, Takayuki Arie, Seiji Akita, Seiji Akita
Applied Physics Express   5    Jun 2012
We propose a self-detecting carbon nanotube resonator device consisting of a nanotube field-effect transistor with a vibrating cantilevered nanotube gate. With this device, we detected the resonance of the cantilevered nanotube by measuring the dr...
Taichi Inoue, Yuki Anno, Yuki Imakita, Kuniharu Takei, Takayuki Arie, Seiji Akita
ACS Omega   2(9) 5792   Sep 2017   [Refereed]
Atsushi Yoshinaka, Yuichi Yuasa, Seiya Hiroshima, Takayuki Arie, Seiji Akita
Applied Physics Express   5(7)    2012   [Refereed]
Atsushi Yoshinaka, Yuichi Yuasa, Seiya Hiroshima, Takayuki Arie, Seiji Akita, 2012, 'Photothermal Excitation of Cantilevered Carbon Nanotube Resonators', Applied Physics Express, vol. 5, no. 7, p. 075101
Yasufumi Kuwauchi, Hideto Yoshida, Tomoki Akita, Masatake Haruta, Seiji Takeda
Angewandte Chemie   124(31) 7849-7853   2012   [Refereed]
Yasufumi Kuwauchi, Hideto Yoshida, Tomoki Akita, Masatake Haruta, Seiji Takeda, 2012, 'Intrinsic Catalytic Structure of Gold Nanoparticles Supported on TiO2', Angewandte Chemie, vol. 124, no. 31, pp. 7849-7853
Naoyuki Matsunaga, Takayuki Arie, Seiji Akita
Applied Physics Express   5(6)    2012   [Refereed]
Naoyuki Matsunaga, Takayuki Arie, Seiji Akita, 2012, 'A Carbon Nanotube Field-Effect Transistor with a Cantilevered Carbon Nanotube Gate', Applied Physics Express, vol. 5, no. 6, p. 065101
Yuasa Yuichi, Yoshinaka Atsushi, Arie Takayuki, Akita Seiji
Applied Physics Express   4(11) 115103-1-115103-3   Nov 2011   [Refereed]
S. Kataoka, T. Arie, and S. Akita
Applied Physics Letter   99(22) 223514   Nov 2011   [Refereed]
Kenichiro Kanao, Shogo Nakata, Takayuki Arie, Seiji Akita, Kuniharu Takei
Materials Horizons   4(6) 1079   2017   [Refereed]
Kenichiro Kanao, Takayuki Arie, Seiji Akita, Kuniharu Takei
Journal of Materials Chemistry C   4(39) 9261   2016   [Refereed]
Kenichiro Kanao, Shingo Harada, Yuki Yamamoto, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
RSC Advances   5(38) 30170   2015   [Refereed]
Sawaya Shintaro, Arie Takayuki, Akita Seiji
Nanotechnology   22(16) 165702   2011   [Refereed]
Shintaro Sawaya, Takayuki Arie, Seiji Akita, 2011, 'Diameter-dependent dissipation of vibration energy of cantilevered multiwall carbon nanotubes', Nanotechnology, vol. 22, no. 16, p. 165702
Sato Yoshinori, Nishizaka Hikaru, Sawano Shunichi, Yoshinaka Atsushi, Hirano Kazutaka, Hashiguchi Shinji, Arie Takayuki, Akita Seiji, Yamamoto Go, Hashida Toshiyuki, Kimura Hisamichi, Motomiya Kenichi, Tohji Kazuyuki
Carbon   50(1) 34-39   Jan 2012   [Refereed]
Yoshinaka Atsushi, Arie Takayuki, Akita Seiji
Applied Physics Letters   98(13) 133103   2011   [Refereed]
Akita Seiji, Ohshima Yusuke, Arie Takayuki
Applied Physics Express   4(2) 025101-1-025101-4   2011   [Refereed]
Shun Fukami, Takayuki Arie, Takayuki Arie, Seiji Akita, Seiji Akita
Japanese Journal of Applied Physics   49    Jun 2010
We have investigated the temperature dependence of cantilevered carbon nanotube oscillation in terms of the dissipation mechanism. The temperature dependences of resonant frequency and Q factor could be divided in two parts corresponding to the te...
Shun Fukami, Takayuki Arie, Seiji Akita
Japanese Journal of Applied Physics   49(6)    2010   [Refereed]
Shun Fukami, Takayuki Arie, Seiji Akita, 2010, 'Temperature Dependence of Cantilevered Carbon Nanotube Oscillation', Japanese Journal of Applied Physics, vol. 49, no. 6, p. 06GK02
Sawano Shunichi, Arie Takayuki, Akita Seiji
Nano Letters   10(9) 3395-3398   2010   [Refereed]
Takeshi Nagasaka, Takeshi Nagasaka, Takeshi Nagasaka, Toru Sakai, Kaori Hirahara, Kaori Hirahara, Seiji Akita, Yoshikazu Nakayama, Yoshikazu Nakayama
Japanese Journal of Applied Physics   48 0916021-0916025   Dec 2009
We investigated the effect of oxygen incorporated in substrates for forming Fe-based catalytic particles and growing carbon nanotubes (CNTs) by water-assisted catalytic chemical vapor deposition. We examined two types of SiO2-covered Si (SiO2/Si) ...
Shun Fukami, Takayuki Arie, Seiji Akita
Japanese Journal of Applied Physics   48(6)    2009   [Refereed]
Shun Fukami, Takayuki Arie, Seiji Akita, 2009, 'Effect of Gaseous Dissipation of Oscillating Cantilevered Carbon Nanotubes', Japanese Journal of Applied Physics, vol. 48, no. 6, p. 06FG04
Ueno Yoshinori, Somada Hiroshi, Hirahara Kaori, Nakayama Yoshikazu, Akita Seiji
Japanese Journal of Applied Physics   48(6) 06FG03-1-06FG03-3   2009   [Refereed]
Fukami Shun, Arie Takayuki, Akita Seiji
Japanese Journal of Applied Physics   48(6) 06FG04-1-06FG04-3   2009   [Refereed]
Akita Seiji, Arie Takayuki
Sensors and Materials   21(7) 339-349   2009   [Refereed]
Masao Yamaguchi, Lujun Pan, Seiji Akita, Yoshikazu Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2007; 20th International Microprocesses and Nanotechnology Conference, MNC   220-221   Dec 2007
The residual acetylene reacts with some of the Fe particles to change their catalyst activities during heating process, which results in the changing of the growth state of CNTs. It is a simple method to control the length and the bulk density of ...
Hiroshi Somada, Yuya Yoshikawa, Atsuko Nagataki, Atsuko Nagataki, Kaori Hirahara, Kaori Hirahara, Seiji Akita, Seiji Akita, Yoshikazu Nakayama, Yoshikazu Nakayama, Yoshikazu Nakayama, Yoshikazu Nakayama
Japanese Journal of Applied Physics, Part 2: Letters   46    Nov 2007
We have investigated the current-induced transformation from elastically buckled carbon nanotubes into plastically bent nanotubes with a large bending angle. For this study, C60-encapsulated single wall nanotubes were used, enabling the estimation...
Hideki Mori, Shigenobu Ogata, Ju Li, Seiji Akita, Yoshikazu Nakayama
Physical Review B   74(16)    2006   [Refereed]
Hideki Mori, Shigenobu Ogata, Ju Li, Seiji Akita, Yoshikazu Nakayama, 2006, 'Energetics of plastic bending of carbon nanotubes', Physical Review B, vol. 74, no. 16
MASAHITO FUSHIMI, JUNYA SUGAWARA, SEIJI SAITO
Psychiatry and Clinical Neurosciences   60(3) 289-295   2006   [Refereed]
MASAHITO FUSHIMI, JUNYA SUGAWARA, SEIJI SAITO, 2006, 'Comparison of completed and attempted suicide in Akita, Japan', Psychiatry and Clinical Neurosciences, vol. 60, no. 3, pp. 289-295
Seiji Akita, Mitsumasa Nishio, Yoshikazu Nakayama
Japanese Journal of Applied Physics   45(6B) 5586-5589   2006   [Refereed]
Seiji Akita, Mitsumasa Nishio, Yoshikazu Nakayama, 2006, 'Buckling of Multiwall Carbon Nanotubes under Axial Compression', Japanese Journal of Applied Physics, vol. 45, no. 6B, pp. 5586-5589
Hideki Mori, Yoshihiko Hirai, Shigenobu Ogata, Shigenobu Ogata, Seiji Akita, Yoshikazu Nakayama, Yoshikazu Nakayama
Japanese Journal of Applied Physics, Part 2: Letters   44    Dec 2005
The chiral dependence of the axial tensile strain versus stress characteristics for single-walled carbon nanotubes has been investigated by numerical simulation using a tight binding calculation and a first-principles density functional theory cal...
Seiji Akita, Masakaki Ohashi, Yoshikazu Nakayama
Japanese Journal of Applied Physics   44(4A) 1637-1640   2005   [Refereed]
Seiji Akita, Masakaki Ohashi, Yoshikazu Nakayama, 2005, 'Mechanical Properties of Sharpened Carbon Nanotube Tips', Japanese Journal of Applied Physics, vol. 44, no. 4A, pp. 1637-1640
Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   43(7B) 4499-4501   2004   [Refereed]
Seiji Akita, Yoshikazu Nakayama, 2004, 'Scanning Probe Microscope Tip with Carbon Nanotube Truss', Japanese Journal of Applied Physics, vol. 43, no. 7B, pp. 4499-4501
Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   43(6B) 3796-3798   2004   [Refereed]
Seiji Akita, Yoshikazu Nakayama, 2004, 'Nanoscale Variable Resistance Using Interlayer Sliding of Multiwall Nanotube', Japanese Journal of Applied Physics, vol. 43, no. 6B, pp. 3796-3798
Hirai Y, Nishimaki S, Mori H, Kimoto Y, Akita S, Nakayama Y, Tanaka Y
Japanese Journal of Applied Physics Part 1-Regular Papers Short Notes & Review Papers   42(6B) 4120-4123   2003   [Refereed]
Yoshikazu Nakayama, Seiji Akita
MRS Proceedings   706    2001   [Refereed]
Yoshikazu Nakayama, Seiji Akita, 2001, 'Nanoengineering of Carbon Nanotubes and the Status of its Applications', MRS Proceedings, vol. 706
Nakayama Y, Saito A, Fujii T, Akita S
Journal of Imaging Science and Technology   43(3) 261-265   1999   [Refereed]
NAKAYAMA T, MIYAMOTO M, AKITA S, DOHMARU T, WEST R
Japanese Journal of Applied Physics Part 2-Letters   34(1A) L57-L60   1995   [Refereed]
Takefumi MOROTOMI, Seiji OKAZAKI, Noboru KAWAKAMI, Sadao AKITA, Sanae MIZUTA
Neurologia medico-chirurgica   9 215-216   1967   [Refereed]
Takefumi MOROTOMI, Seiji OKAZAKI, Noboru KAWAKAMI, Sadao AKITA, Sanae MIZUTA, 1967, '177. Whiplash Injury from the Psychosomatic Standpoint', Neurologia medico-chirurgica, vol. 9, pp. 215-216

Misc

 
NANO LETTERS   9(1) 62-65   2009
Jpn. J. Appl. Phys.   47(4) 1991-1993   2008
THIN SOLID FILMS   517(4) 1471-1473   2008
Nanotechnology   18(3B) 035702-1-035702-3   2007
Japanese Journal of Applied Physics   46(4A) 1815-1817   2007
Jounal of Vaccum Science and Technolgy B   25(5) 1581-1583   2007
Japanese Journal of Applied Physics   46(9B) 6295-6298   2007
Physical Review B   76 165405-1-165405-7   2007
Japanese Journal of Applied Physics   45(6B) 5586-5589   2006
Japanese Journal of Applied Physics   45(3B) L1036-L1038   2006
Physical Review B   74 165418-1-165418-5   2006
Yoshikazu Nakayama, Yoshikazu Nakayama, Atsuko Nagataki, Osamu Suekane, Xiaoyu Cai, Seiji Akita
Japanese Journal of Applied Physics, Part 2: Letters   44    Sep 2005
We induced a permanent plastic deformation in an originally straight double-walled nanotube by applying current to an individual nanotube that had been bent elastically under mechanical duress. This method is controllable and allows nanotubes' app...
Mitsumasa Nishio, Seiji Akita, Yoshikazu Nakayama, Yoshikazu Nakayama
Japanese Journal of Applied Physics, Part 2: Letters   44    Aug 2005
We have investigated buckling phenomena under axial compression for multiwall carbon nanotubes with the same outer diameter with different wall thicknesses obtained by the extraction of inner shells. According to the Euler's buckling model describ...
Yoshihisa Kimoto, Hideki Mori, Tomohito Mikami, Seiji Akita, Yoshikazu Nakayama, Yoshikazu Nakayama, Kenji Higashi, Yoshihiko Hira
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   44 1641-1647   Apr 2005
Double-walled carbon nanotubes (DWNTs) are expected to be useful as elements in nano-mechanical systems such as nanobearings and nanosliders. A molecular dynamics simulation is carried out to estimate the relative motion between the inner and oute...
Nazim Mamedov, Kazuki Wakita, Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   44(1B) 709-714   2005
Seiji Akita, Yoshikazu Nakayama
e-J. Surf. Sci. and Nanotech.   3 86-93   2005
Applied Physics Letters   86(13) 133111-1-133111-3   2005
Yoshihiro Hamada, Hideki Negishi, Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   44(4A) 1629-1632   2005
Seiji Akita, Masakaki Ohashi, Yoshikazu Nakayama
Japanese Journal of Applied Physics   44(4A) 1637-1640   2005
Molecular Dynamics Study on Double-Walled Carbon Nanotube (DWNT) for Nano Mechanical Minipulation
Japanese Journal of Applied Physics   44(4B) 1641-1647   2005
Yasumoto Konishi, Shogo Hokushin, Hiroyoshi Tanaka, Lujun Pan, Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   44(4A) 1648-1651   2005
Japanese Journal of Applied Physics   44(20-23) L720-L722   2005
Japanese Journal of Applied Physics   44(7B) 5642-5645   2005
Mitsumasa Nishio, Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   44(33-36) L1097-L1099   2005
Jounal of Vaccum Science and Technolgy B   23(5) 1975-1979   2005
Japanese Journal of Applied Physics   44(42) L1307 - L1309   2005
Seiji Akita, Xiaoyu Cai, Yoshikazu Nakayama, Yoshikazu Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2004   320-321   Dec 2004
A nano-processing tool using a carbon nanotube as a nanoheating source was proposed. The temperature of the nano-heater is varied from 870 ~ 1180 K depending on the operating current. It was noted that the current includes the leak current with se...
H. Mori, S. Ogata, S. Ogata, Y. Hirai, S. Akita, Y. Nakayama, Y. Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2004   188-189   Dec 2004
The deformation process of single-walled carbon nanotubes (SWNT) was investigated using molecular dynamics (MD) simulations, under a tensile load along the SWNT. The stress based on the classical MD potential was approximately a half of the first ...
Y. Kimoto, K. Okada, H. Mori, S. Akita, Y. Nakayama, Y. Nakayama, K. Higashi, Y. Hirai
Digest of Papers - Microprocesses and Nanotechnology 2004   186-187   Dec 2004
The dynamic properties of the carbon nano-bearing (CNB) as a component of nanometer-scale electromechanical system (NEMS) was investigated using molecular dynamics simulation. The optimum structure of CNB to utilize multi-wall carbon nanotube (MWN...
Goichi Takeda, Lujun Pan, Hiroyoshi Tanaka, Seiji Akita, Yoshikazu Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2004   190-191   Dec 2004
The use of thermal chemical vapor deposition (CVD) to grown vertically aligned carbon nanotubes (CNT) at temperatures below 550°C with the preheating of the reaction gas and thin binary-layered catalyst of Co/Ti was described. The length of the CN...
M. Nishio, S. Akita, Y. Nakayama, Y. Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2004   184-185   Dec 2004
The sensitivity of the mass detection was investigated using carbon nanotube oscillators. The nanotubes used were synthesized by a short-period arc-discharge method. The nanotubes were aligned on a Pt-coated knife-edge using an alternating current...
A. Nagataki, X. Cai, O. Suekane, S. Akita, Y. Nakayama, Y. Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2004   324-325   Dec 2004
The plastic deformation of double walled carbon nanotubes (DWNT) using a transmission electron microscope (TEM) equipped with a manipulator was studied. The density of the acceptable maximum current for a nanotube layer, which is limited by the su...
Japanese Journal of Applied Physics   43(2A) L197-L199   2004
Japanese Journal of Applied Physics   43(2) 864-867   2004
Hiroyoshi Tanaka, Seiji Akita, Lujun Pan, Yoshikazu Nakayama
Japanese Journal of Applied Physics   43(3B) L427-L429   2004
Japanese Journal of Apllied Physics   43(4A) 1651-1654   2004
Japanese Jounal of Applied Physics   43(6B) 3796-3798   2004
Seiji Akita, Yoshikazu Nakayama
apanese Journal of Applied Physics   43(7B) 4499-4501   2004
Thin Solid Films   464-465C 364-367   2004
Yoshikazu Nakayama, Yoshikazu Nakayama, Seiji Akita
Materials Research Society Symposium - Proceedings   772 23-34   Dec 2003
We have developed a series of processes for preparing carbon nanotube devices of probes and tweezers that operate in scanning probe microscope (SPM). The main developments are a nanotube cartridge where nanotubes are aligned at a knife-edge to be ...
Nazim Mamedov, Kazuki Wakita, Seiji Akita, Yoshikazu Nakayama
Materials Research Society Symposium - Proceedings   803 119-124   Dec 2003
Room temperature ellipsometric measurements of low dimensional TlMeX 2 (Me=Ga, In; X=S,Se,Te) were performed in the photon energy range 1.5-6.5eV. Obtained ellipsometric data were then treated with allowance for optical anisotropy of the above mat...
Y. Kimoto, T. Mikami, H. Mori, S. Akita, Y. Nakayama, Y. Hirai
Digest of Papers - Microprocesses and Nanotechnology 2003 - 2003 International Microprocesses and Nanotechnology Conference, MNC 2003   210-211   Jan 2003
© 2003 Japan Soc. of Applied. In this paper, we study the on the mechanical property about the manipulation of the inner tube in DWNT's by a molecular dynamics simulation based on Van der Waals force for mutual interaction between inner and outer ...
S. Oota, H. Kawata, M. Yasuda, L. Pan, S. Akita, Y. Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2003 - 2003 International Microprocesses and Nanotechnology Conference, MNC 2003   78-79   Jan 2003
© 2003 Japan Soc. of Applied. In this report an integrated carbon nanotube field emitter with an extraction gate electrode in one wafer is presented. A simple process is presented for the integrated CNT field emitter fabrication by use of the sele...
Seiji Akita, Yoshikazu Nakayama, Yoshikazu Nakayama
Digest of Papers - Microprocesses and Nanotechnology 2003 - 2003 International Microprocesses and Nanotechnology Conference, MNC 2003   74-75   Jan 2003
© 2003 Japan Soc. of Applied. In this paper, we explore an open subject of the interlayer electrical conduction in multiwall carbon nanotubes as a function of overlapping length in terms of the development of the nanoscale displacement sensors.
Japanese Journal of Applied Physics   42(6B) 3933-3936   2003
Japanese Journal of Applied Physics   42(6B) 4120-4123   2003
Japanese Journal of Applied Physics   42(7B) 4866-4868   2003
Japanese Journal of Applied Physics   42(7B) 4830-4833   2003
Nanoengineering of carbon nanotubes for nanotools
New Journal of Physics   50 128.1-128.23   2003
Resolution of Magnetic Force Microscope with Metal-Capped Carbon Nanotube Tips
AIP Conf. Proc.   696 313-319   2003
Fabrication of Metal Coated Carbon-Nanotube Probe for Highly Conductive Tip
AIP Conf. Proc. Vol   696 292-297   2003
S. Akita, Y. Nakayama
2002 International Microprocesses and Nanotechnology Conference, MNC 2002   8-9   Jan 2002
© 2002 IEEE. Carbon nanotube tips and tweezers, for scanning probe microscopes (SPM) open out the possibility of processing and manipulating in the nanometer-scale region. The tip radius of the nanotube is crucial to taking a high resolution image...
Yoshikazu Nakayama, Seiji Akita
Materials Research Society Symposium - Proceedings   706 353-364   Jan 2002
We have developed a well-controlled method for manipulating carbon nanotubes. The first crucial process involved is to prepare a nanotube array, named nanotube cartridge. We have found the ac electrophoresis of nanotubes by which nanotubes are ali...
Japanese Journal of Applied Physics   41(4B) L487-L489   2002
Japanese Journal of Applied Physics   41(6B) 4242-4245   2002
Japanese Journal of Applied Physics   41(7B) 4887-4889   2002
Nobuyoshi Yoshida, Masatoshi Yasutake, Takayuki Arie, Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   41(7B) 5013-5016   2002
Physica B   323(1-4) 149-150   2002
S. Takahashi, T. Kishida, S. Akita, Y. Nakayama
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   40 4314-4316   Jun 2001
We have measured the potential profiles of the contact potential difference (CPD) between Al-evaporated substrates and dispersed carbon nanotubes (CNTs) by Kelvin probe force microscopy (KFM) using both a conventional Au-coated Si (Au-Si) probe an...
S. Akita, S. Matsumoto, A. Murakami, Y. Nakayama
Zairyo/Journal of the Society of Materials Science, Japan   50(4) 364-367   Jan 2001
We have investigated field emission properties from an individual carbon nanotube protruded ∼ 45μm from a tungsten needle tip. The I-V characteristics of the field emitter show no emitter-collector gap dependence at a gap less than 310μm. This exp...
Y. Nakayama, S. Akita
2001 International Microprocesses and Nanotechnology Conference, MNC 2001   60-61   Jan 2001
© 2001 Japan Soc. Of Applied Physics. In this paper, we report the processes of the growth and manipulation of carbon nanotubes, which enables us to fabricate not only nanotube probes but also nanotube tweezers. We also discuss scanning probe micr...
Synthetic Metals   117(1/3) 207-210   2001
Japanese Journal of Applied Physics   40(3A) 1425-1428   2001
Seiji Akita, Yoshikazu Nakayama
Japanese Journal of Applied Physics   40(6B) 4289-4291   2001
Japanese Journal of Applied Physics   40(6B) 4314-4316   2001
Applied Physics Letters   79(11) 1691-1693   2001
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment   475(1-3) 458-461   2001
Yoshikazu Nakayama, Hiroyuki Inagi, Yukihiro Nagami, Junta Katayama, Lujun Pan, Seiji Akita
International Conference on Digital Printing Technologies   483-487   Dec 2000
The method to prepare polysilane films aligning along their thickness has been developed. Oriented polysilane films of (MeSiPh)n and (n-Hex2Si)n with the respective aligning of 84% and 94% of Si chains are demonstrated and their molecular orientat...
Ai Okazaki, Takayoshi Kishida, Seiji Akita, Hidehiro Nishijima, Yoshikazu Nakayama
Digest of Papers - 2000 International Microprocesses and Nanotechnology Conference, MNC 2000   194-195   Jan 2000
Polysilane is well known as a new type of polymer which is applicable to optoelectronic nanodevices because of attractive characteristics such as photoconductivity with high hole mobility, large nonlinear optical effects, and efficient light emiss...
Seiji Akita, Hidehiro Nishijima, Takayoshi Kishida, Yoshikazu Nakayama
Digest of Papers - 2000 International Microprocesses and Nanotechnology Conference, MNC 2000   228-229   Jan 2000
Nanoindentation experiments have been widely used for probing the mechanical and high pressure behavior of small region. One can expect that the spatial resolution of the experiments is improved by using the carbon nanotube tips for an atomic forc...
Journal of Vacuum Science and Technology B   18(1) 104-106   2000
Journal of Vacuum Science and Technology B   18(2) 661-664   2000
Japanese Journal of Applied Physics   Vol.39, No. 6B,pp.3707-3710    2000
Japanese Journal of Applied Physics   Vol.39, No. 6B, 3724-3727    2000
Japanese Journal of Applied Physics   Vol.39, No. 6B, pp.3744-3746    2000
Atomic Force Microscopy with Carbon Nanotube Probe Resolves the Subunit Organization of Protein Complexes
Journal of Electron Microscopy   Vol. 49, No. 3, pp. 415-421.    2000
The Cell Biological Application of Carbon Nanotube Probes for Atomic Force Microscopy: Comparative Studies of Malaria-Infected Erythrocytes
Journal of Electron Microscopy   Vol. 49, No. 3,pp. 453-458.    2000
Japanese Journal of Applied Physics   39(8) 4939-4944   2000
Journal of Physics D: Applied Physics   33(21) 2673-2677   2000
Japanese Journal of Applied Physics   39(12B) 7067-7069   2000
Japanese Journal of Applied Physic   39(12B) 7086-7089   2000
Y. Nakayama, A. Saito, T. Fujii, S. Akita
Journal of Imaging Science and Technology   43 261-265   May 1999
The photocarrier generation kinetics in poly(methylphenylsilane) films with and without C60 has been studied by measuring accurate subgap absorption spectra, absorption spectra contributing to photocurrent, and the normalized photoconductivity. Th...

Books etc

 
Electron field emission from carbon nanotube array aligned by electrophoresis
MYU, "Super Carbon"   1998   
Development of New Photoreceptor Consisting of Organic Photoconductor and Amorphous Silicon Carbide
"Chemistry of function dyes", Mita press.   1989   
Gap States of highly photosensitive a-SiC : H
Springer-Verlag SSP 43, "Amorphous and Crystalline Silicon Carbide and. .   1989   
Highly photosensitive a-SiC : H films prepared at high deposition rate by glow discharge in SiH4-C2H2 mixture gas
Springer-Verlag SSP 34, "Amorphous and Crystalline Silicon carbide. . . .   1988   

Conference Activities & Talks

 
Shogo Nakata, Kenichiro Kanao, Takayuki Arie, Seiji Akita, Kuniharu Takei
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)   24 Apr 2018   
© 2018 IEEE. This study proposes an electronic wallpaper (e-wallpaper) integrated with tactile memorable sensor and temperature sensor to use it as electrical message board and to monitor an environmental temperature for a smart house concept. To ...
Daiki Yoshikawa, Yuga Miyamoto, Kuniharu Takei, Takayuki Arie, Seiji Akita
Proceedings of SPIE - The International Society for Optical Engineering   1 Jan 2018   
© 2018 SPIE. Transition metal dichalcogenide such as MoS2 is expected as high performance nano-electro-mechanical devices due to their unique electrical, optical and mechanical properties. One can expect that the combination of these properties ar...
Taichi Inoue, Yuki Anno, Yuki Imakita, Kuniharu Takei, Takayuki Arie, Seiji Akita
Proceedings of SPIE - The International Society for Optical Engineering   1 Jan 2018   
© 2018 SPIE. We demonstrate manipulation of nonlinear vibration of graphene mechanical resonator (G-MR) optically by photothermal effects of laser. Different photothermal effects are induced by combining of scattering light and different standing ...
Shogo Nakata, Takayuki Arie, Seiji Akita, Kuniharu Takei
TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems   26 Jul 2017   
© 2017 IEEE. We developed a wearable flexible chemical pH sensor consisted of ion sensitive field effect transistor (ISFET) integrated with a printed flexible physical temperature sensor by developing material systems and optimizing the fabricatio...
D. Yamamoto, S. Nakata, K. Kanao, T. Arie, S. Akita, K. Takei
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)   23 Feb 2017   
© 2017 IEEE. This study proposes a new structure and fabrication technique to realize a planar-type multi-functional flexible patch integrated with acceleration sensor for motion detection, skin temperature sensor, and electrocardiogram (ECG) sens...
Kenichiro Kanao, Shogo Nakata, Takayuki Arie, Seiji Akita, Kuniharu Takei
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)   26 Feb 2016   
© 2016 IEEE. This study demonstrates a tactile pressure-memorized functional flexible device integrated with a tactile pressure sensor and a resistive random access memory (ReRAM) using all solution-based fabrication process toward low-cost and ma...
Shogo Nakata, Kenichiro Kanao, Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)   26 Feb 2016   
© 2016 IEEE. This study proposes and demonstrates a multi-layered pillar-like, carbon black (CB)/polydimethylsiloxane (PDMS)-based pressure sensor embedded in silicone rubbers to realize high selectivity of tactile pressure against bending of subs...
Yuki Yamamoto, Shingo Harada, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016   1 Jan 2016   
Flexible and wearable electronics enables to monitor real-time health condition that allows us to eventually predict and diagnose the disease in advance if the device can be attached comfortably on skin without awareness1. A bandage-type health mo...
Yuki Yamamoto, Kenichiro Kanao, Takayuki Arie, Seiji Akita, Kuniharu Takei
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015   5 Aug 2015   
© 2015 IEEE. This study demonstrates thermal and optical responsive actuator operated by skin temperature and sunlight without using electrical power supply. Different types of thermal and optical responsive actuators have been reported to date. H...
Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015   5 Aug 2015   
© 2015 IEEE. This report describes a flexible and stretchable superhydrophobic surface on an elastomer silicone rubber by one-step laser treatment for the future flexible and wearable electronics. Previously, there are some studies about the fabri...
Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015   5 Aug 2015   
© 2015 IEEE. A mechanically flexible complementary metal-oxide-semiconductor (CMOS) inverter and optical sensor are developed by integrating p-type carbon nanotubes (CNTs) network thin-film transistors (TFTs) and n-type InGaZnO TFTs on a polyimide...
Shingo Harada, Kenichiro Kanao, Yuki Yamamoto, Takayuki Arie, Seiji Akita, Kuniharu Takei
2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015   5 Aug 2015   
© 2015 IEEE. This paper describes printed, flexible, tactile, friction, and temperature sensors for the applications of an artificial electronic skin (e-skin). Conventional e-skin reported previously does not have the capability to detect friction...
Kenichiro Kanao, Shingo Harada, Yuki Yamamoto, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)   1 Jan 2015   
© 2015 IEEE. Flexible electronics are of great interest in a future electric device such as artificial electronic devices. Especially, artificial electronic skin (e-skin) is widely studied by developing a tactile pressure sensor on a flexible subs...
Kuniharu Takei, Shingo Harada, Wataru Honda, Yuki Yamamoto, Kenichiro Kanao, Takayuki Arie, Seiji Akita
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   1 Jan 2015   
© Springer International Publishing Switzerland 2015. Wearable devices using solid device components have recently been released to purchase for different kinds of applications. However, ideal “wear- able” devices should be like a cloth, so that t...
Shingo Harada, Wataru Honda, Takayuki Arie, Seiji Akita, Kuniharu Takei
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)   1 Jan 2014   
We demonstrate a macroscale sensor sheet by fabricating the fully printed, large-scale, and high sensitive strain sensor array on mechanically flexible substrates. This sensor sheet can conformally cover any surfaces for the application of real-ti...
Wataru Honda, Shingo Harada, Takayuki Arie, Seiji Akita, Kuniharu Takei
Proceedings of IEEE Sensors   1 Jan 2014   
© 2014 IEEE. We developed a printed high sensitive temperature sensor by synthesizing poly (3, 4-ethlenedioxythiophene) poly (styrenesulfonate) (PEDOT:PSS) and carbon nanotubes (CNTs) composition ink on a flexible substrate. There are two advantag...
Effect of hydrogen in cooling on graphene growth
AKITA Seiji
Mar 2012   
Carbon nanotube cantilever for measurement of interaction forces between antigens and antibodies
Y. Terada, S. Akita, T. Arie
Mar 2012   
Charging sites on graphene-FET synthesized from solid carbon source
Mar 2012   
Thermal actuation of nanocarbon mechanical system [Invited]
AKITA Seiji
7th US-Japan Joint Seminar on Nanoscale Transport Phenomena – Science and Engineering –   Dec 2011   
Self-detecting Resonance of a Cantilevered Carbon Nanotube Field Effect Transistor
N. Matsunaga, T. Arie, S. Akita
QNN2011 International Workshop on Quantum Nanostructures and Nanoelectronics   Oct 2011   
Oscillation of Cantilevered Multiwall Carbon Nanotubes by Thermal Actuation
A. Yoshinaka, T. Arie and S. Akita
2011 International Microprocesses and Nanotechnology Conference   Oct 2011   
Cantilevered Multilayer Graphene Mechanical Oscillator
Y. Yuasa, A. Yoshinaka, T. Arie and S. Akita
2011 International Microprocesses and Nanotechnology Conference   Oct 2011   
Electric Field Enhancement by Laser Light focused on Electrode Edges for Controlled-positioning of Carbon Nanotubes
T. Takahashi, R. Inori, T. Okada, T. Arie and S. Akita
2011 International Microprocesses and Nanotechnology Conference   Oct 2011   
Evaluation of Graphene Thin Films by Surface Plasmon Resonance
K. Murasaki, T. Akita and S. Arie
2011 International Microprocesses and Nanotechnology Conference   Oct 2011   
Effect of ionic liquid on transfer characteristic of graphene channel on PZT
J. Suzuki, S. Kataoka, T. Arie, S. Akita
2011 International Conference on Solid State Device and Material QNN2011 International Workshop on Quantum Nanostructures and Nanoelectronics   Sep 2011   
Improvement of transfer characteristics for PZT-CNT-FET by ionic liquid
S. Kataoka, T. Arie, S. Akita
2011 International Conference on Solid State Device and Material QNN2011 International Workshop on Quantum Nanostructures and Nanoelectronics   Sep 2011   
Carbon Nanotube Mechanical resonators as mass and force sensors [Invited]
S. Akita, T. Arie
NANO KOREA 2011 -The 9th International Nanotech Symposium & Exhibition in Korea   Aug 2011   
Displacement Measurement of a Carbon Nanotube Cantilever in Liquid for Protein Interaction Force Sensing
T. Arie, S. Sawano, S. Akita
NT11 International Conference on the Science and Application of Nanotubes   Jul 2011   
Optical Heterodyne Detection Visualizes the Spatial Resonance of Multilayer Graphene Cantilevers
Y. Yuasa, T. Arie, S. Akita
NT11 International Conference on the Science and Application of Nanotubes   Jul 2011   
Cantilevered carbon nanotube electro-mechanical device
2011Frontiers on Nanoscale Science and Technology (FNST) Workshop   2011   
Analysis of piezoelectric response toward PZT-CNT-FET
2011Frontiers on Nanoscale Science and Technology (FNST) Workshop   2011   
Cantilevered Carbon Nanotubes as Mechanical Oscillators
NT10 11th International Conference on the Science and Application of Nanotubes   2010   
Carbon Nanotube Resonator in Liquid
NT10 11th International Conference on the Science and Application of Nanotubes   2010   
Transient thermal response of an individual carbon nanotube
2010 International Conference on Solid State Device and Material   2010   
Doubly-suspended carbon nanotube resonator for ultrasensitive mass measurement
2010 International Conference on Solid State Device and Material   2010   
Electrical Detection of the Resonance of a Cantilevered Carbon Nanotube
2010 International Microprocesses and Nanotechnology Conference   2010   
Piezoelectric Response of PZT Domain with CNT toward PZT-CNT-FET
2010 International Microprocesses and Nanotechnology Conference   2010   
Optical Observation of Graphene on PZT Thin Film toward PZT-Graphene- FET
2010 International Microprocesses and Nanotechnology Conference   2010   
Sustained Mechanical Self-Oscillation of Cantilevered Carbon Nanotube by Phase Locked Loop with Opt-Mechanical Heterodyne
2010 International Microprocesses and Nanotechnology Conference   2010   
Displacement Measurement of Carbon Nanotube in Liquid toward Interactive Force Sensing of Biological Molecules
2010 International Microprocesses and Nanotechnology Conference   2010   
Carbon Nanotube Resonator in Liquid
International Symposium on Carbon Nanotube Nanoelectronics   2009   
Temperature Dependence of Energy Loss for Carbon Nanotube Mechanical Resonator
International Symposium on Carbon Nanotube Nanoelectronics   2009   
Photo-Response of Carbon Nanotube FETs with Thick Piezoelectric Gate Insulator
2009 International Conference on Solid State Device and Material   2009   
Polarization Characteristics of Light Emission from an Individual Multiwall Carbon Nanotube during Joule Heating
2009 International Microprocesses and Nanotechnology Conference   2009   
Temperature Dependence of Cantilevered Carbon Nanotube Oscilation
2009 International Microprocesses and Nanotechnology Conference   2009   
Mechanical Resonance of Cantilevered Carbon Nanotubes in Liquid
2009 International Microprocesses and Nanotechnology Conference   2009   
Molecular Dynamics Simulations for Molecular-Linear-Motor Inside Nanotube
2008 Int. Microprocesses and Nanotechnology Conf   2008   
Effect of Gaseous Dissipation of Oscillating Cantilevered Carbon Nanotubes
2008 Int. Microprocesses and Nanotechnology Conf   2008   
Response of Carbon Nanotube Field Effect Transistors to Vibrating Gate
2008 International Conference on Solid State Device and Materials   2008   

Association Memberships

 
 

Research Grants & Projects

 
Mechanical properties of Carbon nano-tubes
Application of carbon-nanotubes