Bulk ACCVD Generation of SWNTs with Narrow Chirality Distribution (2009)
Shigeo Maruyama, Yuhei Miyauchi, Takashi Shimada, Yoichi Murakami, Kenichi Sato, Yuji Ozeki, ...
By scaling up the alcohol CCVD (ACCVD) generation technique [1,2] of single-walled carbon nanotubes (SWNTs), bulk amount of sample is being prepared. By dissolving zeolite used as catalysts support,...
THERMAL PROPERTIES OF SINGLE-WALLED CARBON NANOTUBES (2009)
Single-walled carbon nanotubes (SWNTs) are expected to be the most exciting material in the nanotechnology. In addition to the outstanding electronic, optical and mechanical properties, thermal...
Shigeo Maruyama, Yong-won Song, Erik Einarsson, Shinji Yamashita
A new insight is gained on the structure of the vertically aligned single-wall carbon nanotubes (VA-SWNTs) [1-3] generated by alcohol catalytic CVD (ACCVD) technique [4]. The thickness-controlled...
The vertically aligned single-walled carbon nanotubes (SWNTs) [1, 2] with film thickness up to 30 microns is grown on quartz or silicon substrates by alcohol catalytic CVD. The growth condition and...
Yosuke Shiratori, Koji Furuichi, Suguru Noda, Hisashi Sugime, Zhengyi Zhang, Shigeo Maruyama, ...
Field emission properties of single-walled carbon nanotubes (SWNTs), which have been prepared through alcohol catalytic chemical vapor deposition for 10 – 60 s, were characterized in a diode...
CVD Growth and Characterization of Vertically-Aligned Single-Walled Carbon Nanotubes (2009)
The vertically aligned single-walled carbon nanotubes (SWNTs) film [1, 2] with thickness up to 30 microns is grown on quartz or silicon substrates. Recently developed removal and transfer technique...
The University of Tokyo (2009)
By using alcohol as carbon source, high-purity single-walled carbon nanotubes (SWNTs) can be generated at relatively low CVD temperatures from metal catalysts supported with zeolite [1]. Based on...
Developments of catalytic CVD generation of single-walled carbon nanotubes (SWNTs) are reviewed with an emphasis on vertically aligned (VA) growth. Following the first realization of VA-SWNTs [1] by...
By using alcohol catalytic CVD (ACCVD) technique [1], high-purity single-walled carbon nanotubes (SWNTs) are generated at relatively low CVD temperatures. For example, the vertically aligned SWNTs...
silicon substrates by a laser heating catalytic (2009)
Shohei Chiashi, Masamichi Kohno, Yasuyuki Takata, Shigeo Maruyama
synthesis of single-walled carbon nanotubes on
By using alcohol as a carbon source in a
By using alcohol catalytic CVD (ACCVD) technique [1], high-purity single-walled carbon nanotubes (SWNTs) are generated at relatively low CVD temperatures. For example, the vertically aligned SWNTs...
Environmental Effect on the UV Optical Absorption of Single- Walled Carbon Nanotubes (2009)
Yoichi Murakami, Shigeo Maruyama
We studied optical absorption of single-walled carbon nanotubes by varying the dielectric environment. For the two different components of the broad UV absorption feature conventionally referred to...
Diffusive-Ballistic Heat Conduction along a Single-Walled Carbon Nanotube (2009)
The diffusive-ballistic heat conduction of finite-length single-walled carbon nanotubes has been studied by means of nonequilibrium molecular dynamics simulations. The length dependence of thermal...
Yoichi Murakami, Benjamin Lu, Said Kazaoui, Nobutsugu Minami, Tatsuya Okubo, Shigeo Maruyama
sidebands of carbon nanotubes below the bright singlet excitonic levels: Coupling between dark excitons
FT-ICR reaction study of bimetallic clusters with alcohol (2009)
Satoshi Yoshinaga, Daisuke Yoshimatsu, Shigeo Maruyama
and hydrocarbon
Kazunari Matsuda, Tadashi Inoue, Yoichi Murakami, Shigeo Maruyama, Yoshihiko Kanemitsu
recombinations and exciton fine structures studied by
Tatsuhiro Yamamoto, Yuhei Miyauchi, Jin Motoyanagi, Takanori Fukushima, Takuzo Aida, Masaru Kato, ...
Corresponding authors
Production and applications of vertically aligned single-walled carbon nanotubes (2009)
Erik Einarsson, Yoichi Murakami, Masayuki Kadowaki, Hai M. Duong, Mitsuru Inoue, Shigeo Maruyama
Synthesis of vertically aligned single-walled carbon nanotube (VA-SWNT) thin films by alcohol catalytic chemical vapor deposition has been clarified using an in situ optical absorbance measurement...
Fig 1. Structural change of the radius (R) and (2009)
Mototeru Oba, Susumu Okada, Shigeo Maruyama
Electronic property of single-walled carbon nanotubes (SWNTs) has been studied using tight-binding (TB) method and local density approximation (LDA) in the framework of density-functional theory....
Reversible Irreversible (2009)
Rong Xiang, Jun Okawa, Zhengyi Zhang, Erik Einarsson, Yohei Miyauchi, Yoichi Murakami, ...
With an in situ optical absorption, [1] we studied the influences of different foreign molecules on the activity of Co/Mo in alcohol catalytic chemical vapor deposition (ACCVD). An interesting growth...
Diffusive-Ballistic Heat Conduction in a Single-Walled Carbon (2009)
Nanotube System, Shigeo Maruyama
The extremely high and peculiar thermal conductivity of single-walled carbon nanotubes (SWNTs) is explored mainly by non-equilibrium molecular dynamics simulation approach. The diffusive-ballistic...
FT-ICR Study of Reaction of Cobalt Clusters with Alcohol, Ether and Hydrocarbon (2009)
Daisuke Yoshimatsu, Kohei Koizumi, Naoki Suyama, Shigeo Maruyama
SWNTs are expected for various applications for extraordinary physical and chemical characters based on the unique geometric structure. As for the macroscopic generation, the ACCVD technique appears...
MOLECULAR DYNAMICS SIMULATIONS OF PHONON TRANSPORT IN SINGLE-WALLED CARBON NANOTUBES o (2009)
Junichiro Shiomi, Shigeo Maruyama
We report a non-equilibrium molecular dynamics (MD) study on heat conduction of finite-length single-walled carbon nanotubes (SWNTs). The length-dependence of the thermal conductivity is quantified...
Metal-Carbon Binary Clusters as Precursors of Endohedral (2009)
f19-i122 Understanding the formation mechanism of SWNTs and endohedral metallofullerene is very interesting and also very important for the large-scale generation and controlled generation of various...
Shigeo Maruyama, Yuhei Miyauchi
absorption of single-walled carbon nanotubes by photoluminescence
Optical and Electrical Properties of Vertically Aligned Single-Walled Carbon Nanotubes (2009)
A new insight is gained on the structure of the vertically aligned single-wall carbon nanotubes (VA-SWNTs) [1-3] generated by alcohol catalytic CVD (ACCVD) technique [4]. The thickness-controlled...
Growth Control of Vertically Aligned Single-Walled Carbon (2009)
The vertically aligned single-walled carbon nanotubes (SWNTs) with film thickness up to 30 microns is grown on quartz or silicon substrates by alcohol catalytic CVD method [1,2]. The growth condition...
Yasuhiro Igarashi, Junichiro Shiomi, Shigeo Maruyama
Thermal conductance between an SWNT and Lennard-Jones fluid is studied by classical molecular dynamics simulations. As the initial condition, a 5 nm length SWNT surround with Lennard-Jones molecules...
Kazunari Matsuda, Tadashi Inoue, Yoichi Murakami, Shigeo Maruyama, Yoshihiko Kanemitsu
fine structures in a single carbon nanotube
Yong-won Song, Shinji Yamashita, Shigeo Maruyama, Yong-won Song, Shinji Yamashita, Shigeo Maruyama
Abstract: We passively generate picosecond 6.5-nJ optical pulses directly from a single-stage oscillator using carbon nanotube mode locker. The mode locker immunized to the high optical power induced...
Miyauchi, Yuhei, Ajiki, Hiroshi, Maruyama, Shigeo
We studied the asymmetry between valence and conduction bands in single-walled carbon nanotubes (SWNTs) through the direct observation of spin-singlet transverse dark excitons using polarized...
Water transport inside a single-walled carbon nanotube driven by temperature gradient (2008)
Shiomi, Junichiro, Maruyama, Shigeo
In this work, by means of molecular dynamics simulations, we consider mass transport of a water cluster inside a single-walled carbon nanotube (SWNT) with the diameter of about 1.4 nm. The influence...
Environmental Effect on the UV Optical Absorption of Single-Walled Carbon Nanotubes (2008)
Murakami, Yoichi, Maruyama, Shigeo
We studied optical absorption of single-walled carbon nanotubes by varying the dielectric environment. For the two different components of the broad UV absorption feature conventionally referred to...
Murakami, Yoichi, Lu, Benjamin, Kazaoui, Said, Minami, Nobutsugu, Okubo, Tatsuya, Maruyama, Shigeo
We performed detailed photoluminescence (PL) spectroscopy studies of three different types of single-walled carbon nanotubes (SWNTs) by using samples that contain essentially only one chiral type of...
Exciton fine structure in a single carbon nanotube revealed through spectral diffusion (2008)
Matsuda, Kazunari, Inoue, Tadashi, Murakami, Yoichi, Maruyama, Shigeo, Kanemitsu, Yoshihiko
We studied the spectral diffusion land exciton fine structures of single-walled carbon nanotubes (SWNTs) by using single carbon nanotube spectroscopy. Two types of single nanotube photoluminescence...
Exciton fine structure in a single carbon nanotube revealed through spectral diffusion (2008)
Matsuda, Kazunari, Inoue, Tadashi, Murakami, Yoichi, Maruyama, Shigeo, Kanemitsu, Yoshihiko
We studied the spectral diffusion and exciton fine structures of single-walled carbon nanotubes (SWNTs) by using single carbon nanotube spectroscopy. Two types of single nanotube photoluminescence...
Xiang, Rong, Yang, Zhou, Zhang, Qiang, Luo, Guohua, Qian, Weizhong, Wei, Fei, ...
Feedstock and byproduct diffusion in the root growth of aligned carbon nanotube arrays is discussed. A non-dimensional modulus is proposed to differentiate catalyst-poisoning controlled growth...
Selective optical property modification of double-walled carbon nanotubes by fluorination (2008)
Hayashi, Takuya, Shimamoto, Daisuke, Kim, Yoong Ahm, Muramatsu, Hiroyuki, Okino, Fujio, Touhara, Hidekazu, ...
We found that by fluorination of double-walled carbon nanotubes (DWNTs), it is possible to suppress only the Raman radial breathing mode and absorption peaks from the outer (large diameter) tubes of...
Yoshimasa Watanabe, Hiroki Yamaguchi, Michihiro Hashinokuchi, Kyoichi Sawabe, Shigeo Maruyama
EPJ manuscript No.
Temperature Measurements of Single-walled Carbon Nanotubes by Raman Scattering (2008)
Shohei Chiashi, Yoichi Murakami, Yuhei Miyauchi, Shigeo Maruyama
The many unique physical properties of single-walled carbon nanotubes (SWNTs), including heat transfer properties, have been studied in recent years. SWNTs have extremely high thermal conductivity...
VERTICALLY ALIGNED CARPET OF SINGLE-WALLED CARBON NANOTUBES CATALYTICALLY GROWN FROM ALCOHOL (2008)
Recent developments of catalytic CVD generation of single-walled carbon nanotubes (SWNTs) by using alcohol as the carbon source are discussed. High-purity SWNTs can be generated at relatively low CVD...
Millimeter-Thick Single-Walled Carbon Nanotube Forests: Hidden Role of Catalyst Support (2008)
Suguru Noda, Kei Hasegawa, Hisashi Sugime, Kazunori Kakehi, Zhengyi Zhang, Shigeo Maruyama, ...
A parametric study of so-called "super growth " of single-walled carbon nanotubes (SWNTs) was done by using combinatorial libraries of iron/aluminum oxide catalysts....
Photoluminescence studies of cross-polarized absorption of single-walled carbon nanotubes (2008)
Though our previous studies of photoluminescence (PL) of single-walled carbon nanotubes (SWNTs) consisting of carbon-13 (SW 13 CNTs) synthesized from isotopically modified ethanol [1], we have found...
Paper No. Proceeding of the 1st International Forum on Heat Transfer (2008)
Yoichi Murakami, Tadao Edamura, Erik Einarsson, Shohei Chiashi, Yuhei Miyauchi, Shigeo Maruyama
Thermal CVD growth of vertically aligned single-walled carbon nanotube films on substrates and their optical/microscopical characterizations
Tatsuto Kimura, Shigeo Maruyama
A water droplet in contact with a platinum surface was simulated by the molecular dynamics method. Water molecules were modeled with the well-known SPC/E model and the platinum surface was...
Rong Xiang, Zhengyi Zhang, Kazuaki Ogura, Jun Okawa, Erik Einarsson, Yuhei Miyauchi, ...
We present the successful synthesis of aligned 13 C labeled single-walled carbon nanotube (SWNT) arrays from alcohol by a modified no-flow chemical vapor deposition (CVD) method which makes possible...
Erik Einarsson, Hidetsugu Shiozawa, Christian Kramberger, Mark H. Rummeli, Er Gruneis, Thomas Pichler, ...
Formation Mechanism, Catalytic Metal (2008)
Yasushi Shibuta, Shigeo Maruyama
Developments of large scale and high-purity generation technique of single-walled carbon nanotubes (SWNTs) [1] are desired for the practical applications of the fascinating new material. In addition...
individual single-walled (2008)
Tadashi Inoue, Kazunari Matsuda, Yoichi Murakami, Shigeo Maruyama, Yoshihiko Kanemitsu
Diameter dependence of exciton-phonon interaction in
Molecular Dynamics in Formation Process of Single-Walled Carbon Nanotubes (2008)
Yasushi Shibuta, Shigeo Maruyama
The mechanism in the nucleation and formation of single-walled carbon nanotubes (SWNTs) was investigated using molecular dynamics simulations. When initial state was chosen so that carbon and nickel...
for the growth simulation of a single-walled (2008)
Yasushi Shibuta, Shigeo Maruyama
Bond-order potential for transition metal carbide cluster
Growth and control of vertically aligned (2008)
Erik Einarsson, Masayuki Kadowaki, Hai M Duong, Yoichi Murakami, Shigeo Maruyama
Previous investigations [1,2] into the growth of vertically aligned single-walled carbon nanotube (VA-SWNT) films from alcohol have shown that the maximum achievable film thickness is largely...
Shigeo Maruyama, Yuhei Miyauchi, Yoichi Murakami, Shohei Chiashi, Shigeo Maruyama
The single-walled carbon nanotubes (SWNTs) synthesized by a catalytic decomposition of alcohol (Alcohol CVD method, ACCVD) are compared with HiPco SWNTs sample through optical spectroscopic...
Growth window and possible mechanism of (2008)
Kei Hasegawa, Suguru Noda, Hisashi Sugime, Kazunori Kakehi, Shigeo Maruyama, Yukio Yamaguchi
millimeter-thick single-walled carbon nanotube forests
combinatorial study of nominal thickness (2008)
Kazunori Kakehi, Suguru Noda, Shigeo Maruyama, Yukio Yamaguchi
valley dividing single- and multi-walled carbon nanotubes:
Shohei Chiashi, Yoichi Murakami, Yuhei Miyauchi, Shigeo Maruyama
peak, radial breathing mode peak, resonance Raman effect We measured Raman scatterings from various single-walled carbon nanotube (SWNT) samples over a wide temperature range (4-1000 K). The G-band...
Shigeo Maruyama, Yasushi Shibuta
The formation mechanism of single-walled carbon nanotubes (SWNTs) was studied with the molecular dynamics simulation. Starting from randomly distributed carbon and Ni atoms, random cage structures of...
GROWTH PROCESS OF VERTICALLY ALIGNED SINGLE-WALLED CARBON NANOTUBES (2008)
Erik Einarsson, Tadao Edamura, Yoichi Murakami, Toshiaki Nishii, Shigeo Maruyama
The recent boom in nanoscience and nanotechnology research is largely due to the novel electronic, thermal, and mechanical properties [1,2] of single-walled carbon nanotubes (SWNTs). The ability to...
Molecular Dynamics of Diffusive-Ballistic Heat Conduction in Single-Walled Carbon Nanotubes (2008)
Junichiro Shiomi, Shigeo Maruyama
Diffusive-ballistic heat conduction of finite-length single-walled carbon nanotubes has been studied by means of non-equilibrium molecular dynamics simulations. The length-dependence of thermal...
Yong-won Song, Shinji Yamashita, Erik Einarsson, Shigeo Maruyama
An all-fiber passive laser mode locking is realized with a vertically aligned single-walled carbon nanotube film that can be transferred onto an arbitrary substrate using only hot water. A D-shaped...
Characterization of Heat Conduction of Carbon Nanotube by Molecular Dynamics Method (2008)
Shigeo Maruyama, Yuki Taniguchi, Yasushi Shibuta
We have been studying the heat conduction along a single-walled carbon nanotube (SWNT) by the molecular dynamics method [1-3] with the simplified form [4] of Tersoff-Brenner bond order potential [5]....
Thermal Degradation of Single-Walled Carbon Nanotubes (2008)
Hai M. Duong, Erik Einarsson, Jun Okawa, Rong Xiang, Shigeo Maruyama
An optical absorbance technique was used to study the burning temperature and burning mechanism of vertically aligned single-walled carbon nanotube (VA-SWNT) films. Use of this simple optical method...
NUMERICAL SIMULATION OF POOL BOILING FOR STEADY STATE AND TRANSIENT HEATING (2008)
Ying He, Masahiro Shoji, Shigeo Maruyama
It’s believed that the macrolayer plays an important role in nucleate and transition boiling heat transfer at high heat flux. Many experiments have been carried out to support the macrolayer...
Non-Fourier heat conduction in a single-walled carbon nanotube, submitted to Phys. Rev (2008)
Junichiro Shiomi, Shigeo Maruyama
Non-stationary heat conduction in a single-walled carbon nanotube was investigated by applying a local heat pulse with duration of sub-picoseconds. The investigation was based on classical molecular...
Yuhei Miyauchi, Shohei Chiashi, Yoichi Murakami, Yasunori Hayashida, Shigeo Maruyama
Chem. Phys. Lett,. in press
NEW CCVD GENERATION AND CHARACTERIZATION OF SINGLE-WALLED CARBON NANOTUBES (2008)
Shigeo Maruyama, Shohei Chiashi, Yuhei Miyauchi
Bulk amount of single-walled carbon nanotubes (SWNTs) have been generated by laser-oven or arc-discharge techniques, and recently by catalytic chemical vapor deposition (CCVD) technique. CCVD...
Synthesis of Single-Walled Carbon Nanotube Film on Quartz Substrate from Carbon Monoxide (2008)
Toshiaki Nishii, Yoichi Murakami, Erik Einarsson, Naoto Masuyama, Shigeo Maruyama
The discovery of single-walled carbon nanotubes (SWNTs) in 1993 by Iijima and Ichihashi [1] has stimulated many researchers to utilize for the innovative technology, especially applications to...
Yuhei Miyauchi, Mototeru Oba, Shigeo Maruyama
excitation spectroscopy
Optical Activity in Single-Walled Carbon Nanotubes (2008)
Seongwoo Yoo, Yongmin Jung, Dong Soo Lee, Won-taek Han, Kyunghwan Oh, Y. Murakami, ...
Optical activity was observed in films of vertically aligned single-walled carbon nanotubes (SWNTs). We report the control of both the polarization state and transmission of incoming light at 1550nm...
Shigeo Maruyama, Yoichi Murakami, Yuhei Miyauchi, Shohei Chiashi
High purity single-walled carbon nanotubes (SWNTs) were synthesized by the alcohol catalytic CVD method (ACCVD method) where ethanol vapor was used as a carbon feedstock [1, 2]. For the bulk...
Yoichi Murakami, Erik Einarsson, Tadao Edamura, Shigeo Maruyama
Single-walled carbon nanotubes (SWNTs) are 1 dimensional (1D) tubular material with sp 2 bonded graphene wall. Their unique geometry gives rise to sharp divergences in electronic density of states and
Satish G. Kandlikar, Mark E. Steinke, Shigeo Maruyama, Tatsuto Kimura
A water liquid droplet in contact with a platinum surface was simulated by the molecular dynamics method. Water molecules were modeled by SPC/E and one layer of harmonic molecules represented the...
Non-Fourier heat conduction in a single-walled carbon nanotube, submitted to Phys. Rev (2008)
Junichiro Shiomi, Shigeo Maruyama
Some of our recent studies on the heat conduction of single-walled carbon nanotubes (SWNTs) using molecular dynamics (MD) simulations are reported. The length-dependence of pure SWNTs is investigated...
Behavior of Formation and Departure of Two-dimensional Bubbles (2008)
Kei Ishikawa, Masahiro Shoji, Makoto Watanabe, Shigeo Maruyama
We employed two-dimensional bubbles as a model to explain the complicated boiling phenomena. Several measurements and their analyses on two-dimensional bubbles are presented in this paper. Although...
Shohei Chiashi, Yoichi Murakami, Yuhei Miyauchi, Shigeo Maruyama
We generated high-quality single-walled carbon nanotubes (SWNTs) with alcohol catalytic CVD (ACCVD) method in the AFM sample stage, and measured Raman scatterings from the sample during the CVD...
The chemical reactions of transition metal clusters in the gas phase have aroused considerable scientific interest and are also of critical scientific importance. For example, these reactions are...
Shigeo Maruyama, Yoichi Murakami, Yasushi Shibuta, Yuhei Miyauchi, Shohei Chiashi
Recent advances in high-purity and high-yield catalytic CVD generation of single-walled carbon nanotubes (SWNTs) from alcohol are comprehensively presented and discussed based on the results obtained...
Junichiro Shiomi, Shigeo Maruyama
Non-equilibrium heat conduction can not be properly described by the Fourier’s law which implies unrealistic heat propagation with infinite speed. A well known remedy for this is to view heat...
Prediction of thermal properties of single walled carbon nanotube (2008)
Hai M. Duong, Dimitrios V. Papavassiliou, Kieran J. Mullen, Shigeo Maruyama
suspensions
Growth process and optical properties of vertically aligned single-walled carbon nanotube (2008)
Y. Murakami, E. Einarsson, S. Maruyama, Shigeo Maruyama
mats
Shigeo Maruyama, Yuhei Miyauchi
Abstract. Using alcohol catalytic CVD (ACCVD) technique optimized for the efficient production of SWNTs from very small amount of ethanol, SWNTs consisting of carbon-13 isotope (SW 13 CNTs) were...
TEMPERATURE MEASUREMENTS OF SINGLE-WALLED CARBON NANOTUBES BY RAMAN SCATTERINGS (2008)
Shohei Chiashi, Yoichi Murakami, Yuhei Miyauchi, Erik Einarsson, Shigeo Maruyama
The discovery of single-walled carbon nanotubes (SWNTs) 1 has invoked numerous research interests because of their unique physical properties 2 and hence remarkable potential as a new material for...
MD Simulation of Phonon Transport in Single-Walled Carbon Nanotubes (2008)
We have simulated the heat conduction characteristics of finite length single walled carbon nanotubes (SWNTs) with the molecular dynamics method [1-3] with Tersoff-Brenner bond order potential....
Kazunori Hoshino, Yoichi Murakami, Shigeo Maruyama, Kiyoshi Matsumoto, Isao Shimoyama
We have build a system for real-time in-situ measurement of electromechanical properties of single-walled carbon nanotubes (SWNTs) growing between electrostatically actuated silicon cantilevers faced...
size-selected catalytic (2008)
Masamichi Kohno, Takaaki Orii, Makoto Hirasawa, Takafumi Seto, Yoichi Murakami, Shohei Chiashi, ...
single-walled carbon nanotubes from
Shigeo Maruyama, Zhengyi Zhang, Yuhei Miyauchi, Rong Xiang, Erik Einarsson
Polarized Raman and photoluminescence studies were employed to characterize vertically aligned single-walled carbon nanotubes (VA-SWNTs) synthesized by the alcohol catalytic CVD (ACCVD) method [1,2]....
CHEMICAL REACTION OF SILICON CLUSTER IONS WITH ETHYLENE BY USING FT-ICR MASS SPECTROMETER (2008)
Masamichi Kohno, Shigeo Maruyama
Mass-selected silicon cluster ions were levitated in a Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer and monitored during chemisorption reaction with ethylene (C 2H 4). Through...
Hisayoshi Oshima, Yoshinobu Suzuki, Tomohiro Shimazu, Shigeo Maruyama
Using a conventional thermal chemical vapor deposition (CVD) system, ethanol vapor was enclosed in a reactor, i.e., no flow, with Co/Mo dip-coated quartz substrates to synthesize submillimeter long...
Yuhei Miyauchi, Mototeru Oba, Shigeo Maruyama
Cross-polarized absorption of single-walled
HEAT TRANSFER PROBLEMS RELATED WITH CARBON NANOTUBES BY MOLECULAR DYNAMICS-BASED SIMULATIONS (2008)
Yasuhiro Igarashi, Yasushi Shibuta, Shigeo Maruyama
Several heat transfer problems related to single-walled carbon nanotubes (SWNTs) are considered using molecular dynamics (MD) simulations. The Brenner potential (Brenner, 1990) with the simplified...
Shigeo Maruyama, Yoichi Murakami, Erik Einarsson, Tadao Edamura
Vertically aligned single-walled carbon nanotubes (SWNTs) up to 5 microns thick as shown in Fig 1 were produced by an alcohol CVD process [1]. In contrast to the first report of CVD growth of...
Diffusive-Ballistic Heat Conduction of Carbon Nanotubes and Nanographene Ribbons (2008)
Junichiro Shiomi, Shigeo Maruyama
Investigations of diffusive-ballistic heat conduction of finite-length single-walled carbon nanotubes and nanographene ribbons at room temperature have been carried out by using non-equilibrium...
Submitted to Physical Review B (2008)
Yoichi Murakami, Shohei Chiashi, Erik Einarsson, Shigeo Maruyama
Polarization dependence of resonant Raman scattering from
Direct synthesis of single-walled carbon nanotubes on silicon and quartz-based systems (2008)
Yoichi Murakami, Shohei Chiashi, Yuhei Miyauchi, Shigeo Maruyama
A newly developed technique of synthesizing single-walled carbon nanotubes (SWNTs) directly on the surface of Si and quartz substrates is introduced in this report. This technique adopted a...
From clusters to nanotubes (2008)
The growth mechanism of single-walled carbon nanotubes (SWNTs) from a metal cluster is studied through molecular dynamics simulations [1] and various experimental techniques such as chemical reaction...
Exciton dephasing and multiexciton recombinations in a single carbon nanotube (2008)
Kazunari Matsuda, Tadashi Inoue, Yoichi Murakami, Shigeo Maruyama, Yoshihiko Kanemitsu
We studied the temperature and excitation intensity dependence of exciton luminescence in individual single-walled carbon nanotubes (SWNTs) using single nanotube photoluminescence (PL) spectroscopy....
Junichiro Shiomi, Shigeo Maruyama
conduction of single-walled carbon nanotube isotope-superlattice structures:
Toshiaki Nishii, Suguru Noda, Hisashi Sugime, Naoto Masuyama, Shigeo Maruyama
By using carbon monoxide as carbon source, we have synthesized random, vertical and parallel aligned SW-NTs on quartz substrates dip-coated with Co and Mo (COCCVD). In order to study the influence of...
In-situ Raman diagnosis of laser-heated ACCVD growth process of (2008)
S. Chiashi, Y. Miyauchi, S. Maruyama, Shigeo Maruyama
We have built an atomic force microscope (AFM) with Raman scattering measurement capabilities and succeeded in synthesizing SWNTs on the AFM sample stage [1] using alcohol catalytic CVD method [2]....
Yoichi Murakami, Erik Einarsson, Tadao Edamura, Shigeo Maruyama
Polarization dependent optical absorption properties of single-walled carbon nanotubes and methodology
Exciton dephasing and multiexciton recombinations in a single carbon nanotube (2008)
Matsuda, Kazunari, Inoue, Tadashi, Murakami, Yoichi, Maruyama, Shigeo, Kanemitsu, Yoshihiko
We studied the temperature and excitation intensity dependence of exciton luminescence in individual single-walled carbon nanotubes (SWNTs) using single nanotube photoluminescence (PL) spectroscopy....
Single-walled carbon nanotubes for high-energy optical pulse formation (2008)
Song, Yong-Won, Yamashita, Shinji, Maruyama, Shigeo
We passively generate picosecond 6.5 nJ optical pulses directly from a single-stage oscillator using carbon nanotube mode locker. The mode locker immunized to the high optical power induced damage...
Exciton dephasing and multiexciton recombinations in a single carbon nanotube (2008)
Matsuda, Kazunari, Inoue, Tadashi, Murakami, Yoichi, Maruyama, Shigeo, Kanemitsu, Yoshihiko
We studied the temperature and excitation intensity dependence of exciton luminescence in individual single-walled carbon nanotubes (SWNTs) using single nanotube photoluminescence (PL) spectroscopy....
Christian Kramberger, Mark Rümmeli, Martin Knupfer, Jörg Fink, Bernd Büchner, Erik Einarsson, ...
on sparse arrays
Einarsson, Erik, Shiozawa, Hidetsugu, Kramberger, Christian, Ruemmeli, Mark H., Grueneis, Alexander, Pichler, Thomas, ...
Freestanding arrays of vertically aligned single-walled carbon nanotubes (VA-SWNTs) synthesized from alcohol were observed directly by transmission electron microscopy (TEM). These observations...
Molecular Simulations Of The Formation Process Of Fullerene (2007)
Yasutaka Yamaguchi, Shigeo Maruyama
. The formation mechanism of fullerene, a new type of carbon molecule with hollow caged structure, was studied by using the molecular dynamics method with the simplified classical potential function....
Chemical Physics Letters, in press. (2007)
Yoichi Murakami, Yuhei Miyauchi, Shohei Chiashi, Shigeo Maruyama
Direct synthesis of high-quality single-walled carbon nanotubes on silicon and quartz substrates
--ROLES AND DIRECTION OF MATERIAL SCIENCE IN NUCLEAR TECHNOLOGY-- (2007)
Abstract: A miniaturized pulsed supersonic beam source has been developed using laser vaporization of a computercontrolled target disk, producing intense beams of cluster ions with excellent...
A NUMERICAL SIMULATION OF TRSrrlON BOILING HEAT TRANSFER (2007)
Shigeo Maruyama, Masahiro Shoji, Satoshi Shimizu
Time dependent dry-patterns of the macro-layer and heat transfer from a boiling surface for high heat flux nucleate boiling, critical heat flux condition, and transition boiling are numerically...
Shigeo Maruyama, Yuhei Miyauchi, Yuki Taniguchi
We have been studying the heat conduction characteristics along a single-walled carbon nanotube (SWNT) by the molecular dynamics method [1-3] with the simplified form [4] of Tersoff-Brenner bond...
Shigeo Maruyama, Sohei Matsumotot, Akihiro Ogitat
Liquid droplets of water and argon surrounded by their vapor have been simulated by the molecular dynamics method. To explore the surface phenomena of clusters, each molecule is classified into...
The formation mechanism of single walled carbon nanotubes (SWNTs) is investigated through experimental and molecular dynamics simulation studies of interaction of metal atoms and carbon clusters....
ENDOHEDRAL METALLOFULLERENE IN GAS PHASE (2007)
Abstract, Mass-spectroscopic experiments related to the endohedral metallofullerene are reviewed. Generation techniques of gas phase clusters, FT-ICR mass spectroscopy experiments, and ion mobility...
The formation mechanism of single walled carbon nanotubes (SWNTs) is studied with cluster beam experiments and molecular dynamics simulations. A FT-ICR mass spectrometer directly connected to the...
Microscale Thermophysical Engineering, Masamichi Kohno, Akira Yabe, Shuhei Inoue, Shigeo Maruyama
This paper was presented at the International Symposium on Micro/Nanoscale Energy Conversion and Transport on April 14--19, 2002 at Antalya, Turkey
Can We Predict Contact Angle with Molecular Dynamics Method? (2007)
Shigeo Maruyama And, Shigeo Maruyama, Tatsuto Kimura
temperature control. After this initial rough control, only the phantom heat bath was used as the temperature control at 350K. During the velocity scaling temperature control in 100 ps, the liquid...
Microscale Thermophysical Engineering, D. Poulikakos, S. Arcidiacono, Shigeo Maruyama
This paper reviews recent works on molecular dynamics in heat transfer, focusing on, but not limited to, challenging interfacial and phase change phenomena to demonstrate the advantages, potential,...
Einarsson, Erik, Murakami, Yoichi, Kadowaki, Masayuki, Maruyama, Shigeo
An in situ optical absorbance measurement was used to study the growth dynamics of vertically aligned single-walled carbon nanotubes (VA-SWCNTs) synthesized by chemical vapor deposition of ethanol....
Xiang, Rong, Yang, Zhou, Zhang, Qiang, Luo, Guohua, Qian, Weizhong, Wei, Fei, ...
Feedstock and byproduct diffusion in the root growth of aligned CNT arrays was discussed in this work. A non-dimensional modulus was proposed to differentiate catalyst-decay controlled growth...
Maeda, Yutaka, Hashimoto, Masahiro, Hasegawa, Tadashi, Kanda, Makoto, Tsuchiya, Takahiro, Wakahara, Takatsugu, ...
Single-walled carbon nanotubes (SWNTs) synthesized by catalytic decomposition of an alcohol were purified by extraction. The purified SWNTs were characterized on the basis of visible-near infrared...
Magnetic brightening of carbon nanotube photoluminescence through symmetry breaking (2007)
Shaver, Jonah, Kono, Junichiro, Portugall, Oliver, Krstic, Vojislav, Miyauchi, Yuhei, ...
We report that symmetry breaking by a magnetic field can drastically increase the photoluminescence quantum yield of single-walled carbon nanotubes, by as much as a factor of 6, at low temperatures....
Hasegawa, Kei, Noda, Suguru, Sugime, Hisashi, Kakehi, Kazunori, Maruyama, Shigeo, Yamaguchi, Yukio
Our group recently reproduced the water-assisted growth method, so-called "super growth", of millimeter-thick single-walled carbon nanotube (SWNT) forests by using C2H4/ H2/ H2O/ Ar reactant gas and...
Miyauchi, Yuhei, Saito, Riichiro, Sato, Kentaro, Ohno, Yutaka, Iwasaki, Shinya, Mizutani, Takashi, ...
We theoretically investigate the dependence of exciton transition energies on dielectric constant of surrounding materials. We make a simple model for the relation between dielectric constant of...
Ohno, Yutaka, Iwasaki, Shinya, Murakami, Yoichi, Kishimoto, Shigeru, Maruyama, Shigeo, Mizutani, Takashi
Environmental dielectric screening effects on exciton transition energies in single-walled carbon nanotubes (SWNTs) have been studied quantitatively in the range of dielectric constants from 1.0 to...
Minimal bundling of single-walled carbon nanotubes comprising vertically aligned films (2007)
Einarsson, Erik, Shiozawa, Hidetsugu, Kramberger, Christian, Rummeli, Mark H., Gruneis, Alexander, Pichler, Thomas, ...
A freestanding film of vertically aligned single-walled carbon nanotubes (VA-SWNTs) synthesized by the alcohol catalytic chemical vapor deposition (ACCVD) method was observed directly by transmission...
Molecular dynamics of ice-nanotube formation inside carbon nanotubes (2007)
Shiomi, Junichiro, Kimura, Tatsuto, Maruyama, Shigeo
The first order phase transition of a water cluster confined in a dynamic single-walled carbon nanotube is investigated using a classical molecular dynamics (MD) method. The formation of ice-nanotube...
Electrothermal flow in Dielectrophoresis of Single-Walled Carbon Nanotubes (2007)
Lin, Yuan, Shiomi, Junichiro, Maruyama, Shigeo, Amberg, Gustav
We theoretically investigate the impact of the electrothermal flow on the dielectrophoretic separation of single-walled carbon nanotubes (SWNT). The electrothermal flow is observed to control the...
Magnetic Brightening of Carbon Nanotube Photoluminescence through Symmetry Breaking (2007)
Jonah Shaver, Junichiro Kono, Oliver Portugall, Vojislav Krstić, Yuhei Miyauchi, ...
We report that symmetry breaking by a magnetic field can drastically increase the photoluminescence quantum yield of single-walled carbon nanotubes, by as much as a factor of 6, at low temperatures....
Hirori, Hideki, Matsuda, Kazunari, Miyauchi, Yuhei, Maruyama, Shigeo, Kanemitsu, Yoshihiko
Photoluminescence (PL) dynamics in single-walled carbon nanotubes (SWNTs) has been studied by the femtosecond excitation correlation method with a 150 fs time resolution. The SWNT samples were...
Hirori, Hideki, Matsuda, Kazunari, Miyauchi, Yuhei, Maruyama, Shigeo, Kanemitsu, Yoshihiko
Photoluminescence (PL) dynamics in single-walled carbon nanotubes (SWNTs) has been studied by the femtosecond excitation correlation method with a 150 fs time resolution. The SWNT samples were...
Shiomi, Junichiro, Maruyama, Shigeo
Heat conduction of single-walled carbon nanotubes (SWNTs) isotope-superlattice is investigated by means of classical molecular dynamics simulations. Superlattice structures were formed by alternately...
Miyauchi, Yuhei, Oba, Mototeru, Maruyama, Shigeo
Cross-polarized absorption peaks of isolated single-walled carbon nanotubes were observed by a polarized photoluminescence excitation (PLE) spectroscopy. Using a simple theory for PL anisotropy, the...
Inoue, Tadashi, Matsuda, Kazunari, Murakami, Yoichi, Maruyama, Shigeo, Kanemitsu, Yoshihiko
We have investigated the diameter dependence of the exciton luminescence linewidth in individual single-walled carbon nanotubes (SWNTs) by means of microphotoluminescence (µ-PL) spectroscopy. The...
correlation spectroscopy: exciton localization (2006)
Hideki Hirori, Kazunari Matsuda, Yuhei Miyauchi, Shigeo Maruyama, Yoshihiko Kanemitsu
dynamics of single-walled carbon nanotubes revealed by femtosecond excitation
Ado Jorio, Paulo T. Araujo, Stephen K. Doorn, Shigeo Maruyama, Helio Chacham, Marcos A. Pimenta
www.interscience.wiley.com
Miyauchi, Yuhei, Maruyama, Shigeo
We have studied photoluminescence (PL) and resonant Raman scatterings of single-walled carbon nanotubes (SWNTs) consisting of carbon-13 (SW13CNTs) synthesized from a small amount of isotopically...
Identification of excitonic phonon sideband by photoluminescence spectroscopy of (2005)
Yuhei Miyauchi, Shigeo Maruyama
single-walled carbon-13 nanotubes
Polarization dependence of the optical absorption of single-walled carbon nanotubes (2005)
Yoichi Murakami, Erik Einarsson, Tadao Edamura, Shigeo Maruyama
Anisotropic optical absorption properties of single-walled carbon nanotubes (SWNTs) are determined from a vertically aligned SWNT film for 0.5- 6 eV. Absorption peaks at 4.5 and 5.25 eV are found to...
Shohei Chiashi, Yoichi Murakami, Yuhei Miyauchi, Shigeo Maruyama
Catalytic CVD generation of high-purity single-walled carbon nanotubes (SWNTs) without use of an electric furnace or a hot-filament is demonstrated. High-purity SWNTs were generated from alcohol used...
Feasibility Study of a New Model for the Thermal Boundary Resistance at Thin Film Interface (2004)
The thermal boundary resistance (TBR) is still a challengeable subject since its mechanism to explain quantitatively is not clear in spite of its importance. We performed non-equilibrium molecular...
Chemical Physics Letters in press. (2004)
Shigeo Maruyama, Erik Einarsson, Yoichi Murakami, Tadao Edamura
Vertically aligned single-walled carbon nanotube films up to 5 µm thick were produced by an alcohol CVD process, in which hydrogen was supplied during the heating-up stage only. A time-progressive...
Variations in the Thermal Conductivity of Insulating Thin Films with Temperature and (2004)
The thermal conductivity of a solid thin film was investigated by using two nonequilibrium molecular dynamics (NEMD) methods and changing the calculation conditions. Solid argon was selected as a...
Characterization of Single-Walled Carbon Nanotubes Catalytically Synthesized from Alcohol (2003)
Yoichi Murakami, Yuhei Miyauchi, Shohei Chiashi, Shigeo Maruyama
High purity single-walled carbon nanotubes (SWNTs) were synthesized from ethanol by catalytic CVD method. The yield of SWNTs was determined based on TGA complemented by Raman and TEM analyses. The...
Synthesis of single-walled carbon nanotubes with narrow diameter-distribution from fullerene (2003)
Shigeo Maruyama, Yuhei Miyauchi, Tadao Edamura, Yasuhiro Igarashi, Shohei Chiashi, Yoichi Murakami
Single-walled carbon nanotubes with narrow diameter-distributions were synthesized by the catalytic CVD technique usingfngv84/Fv C 60 or C 70 , as the carbon source. Fe/Co bimetal particles supported...
Effect of Carbon Isotope Abundance on Thermal Conductivity and (2003)
Shigeo Maruyama, Yuhei Miyauchi, Yuki Taniguchi
Since there is about 1 % of 13 C isotope in natural abundance of carbon atoms, normal carbon nanotubes are made of carbon atoms with different masses. The vibrational features of single-walled carbon...
Molecular Dynamics Simulation of Nucleation and Growth of Single-Walled Carbon (2003)
Nanotubes Shigeo Maruyama, Shigeo Maruyama, Yasushi Shibuta
SWNTs. In the former method, carbon atoms and catalytic metal atoms are vaporized at the same time by the intense laser ablation. In the later, the catalytic metal clusters are present before the...
Yoichi Murakami, Shohei Chiashi, Yuhei Miyauchi, Shigeo Maruyama
A new technique of synthesizing single-walled carbon nanotubes (SWNTs) directly on the surface of Si and quartz substrates is introduced in this report. This technique adopted a liquid based dip-coat...
Molecular Dynamics Simulations of Catalytic CVD Process of (2003)
mpletely random vapor mixture of carbon-containing molecules was allocated in 20 nm cubic periodic cell. At earlier stages, all carbon atoms were absorbed in the metal cluster. When saturated,...
Yasushi Shibuta, Shigeo Maruyama
Molecular dynamics simulation of formation process of single-walled carbon
A Molecular Dynamics Simulation of Heat Conduction in Finite Length SWNTs (2002)
Heat conduction of finite-length single-walled carbon nanotubes (SWNTs) was simulated by the molecular dynamics method with Tersoff-Brenner bond order potential. Temperature at each end of an SWNT...
A Molecular Dynamics Simulation of Heterogeneous Nucleation of a Liquid Droplet (2002)
Tatsuto Kimura, Shigeo Maruyama, S Supersaturation Ratio
ABSTRACT The heterogeneous nucleation of liquid droplet on a solid surface was simulated with the molecular dynamics method. Argon vapor was represented by 5760 Lennard-Jones molecules and the solid...
A Molecular Dynamics Simulation of Heat Conduction in Finite Length SWNTs (2002)
The heat conduction of finite length single walled carbon nanotubes (SWNTs) was simulated by the molecular dynamics method with the Tersoff-Brenner bond order potential (parameter table II) [1]. The...
A Molecular Dynamics Simulation of Heat Conduction in Finite Length SWNTs (2002)
The heat conduction in finite length single walled carbon nanotubes (SWNTs) was simulated by the molecular dynamics method with the Tersoff-Brenner bond order potential 1. Temperature at each end of...
Molecular Dynamics in Formation Process of SWNTs, Mol (2002)
Shigeo Maruyama, Yasushi Shibuta
The formation mechanism of single-walled carbon nanotubes (SWNTs) was studied with molecular dynamics simulations. Theoretical contributions to the formation mechanism of carbon nanotubes are not...
Molecular Dynamics Simulation of Generation Process of SWNTs (2002)
Yasushi Shibuta, Shigeo Maruyama, Brenner Potential, Ni Atom
The formation mechanism of single-walled carbon nanotubes (SWNTs) was studied with the molecular dynamics simulation. Starting from randomly distributed carbon and Ni atoms, random cage structures of...
Molecular Scale Aspects of Liquid Contact on a (2002)
Shigeo Maruyama, Tatsuto Kimura, Ming-chang Lu
Molecular dynamics simulations related to the contact structure of liquid droplet on a solid surface are compared for a simple Lennard-Jones fluid system and a practical water-on-platinum system. The...
Molecular dynamics simulation of water droplet in contact with platinum surface (2002)
Tatsuto Kimura, Shigeo Maruyama
A water droplet in contact with a platinum surface was simulated by the molecular dynamics method. Water molecules were modeled with the well-known SPC/E model and the platinum surface was...
Kandlikar, Satish, Maruyama, Shigeo, Steinke, Mark, Kimura, Tatsuto
Proceedings of the international mechanical engineering congress and exposition, November 11-16, 2001. The complete proceedings can be found at www.asme.org .
Chemical Reaction of Metal-Carbon Binary Cluster Anions by FT-ICR (2000)
Shigeo Maruyama, Masamichi Kohno, Shuhei Inoue
Metal-carbon binary clusters generated by the laser vaporization of metal-doped carbon materials used for macroscopic production of endohedral metallofullerene or SWNTs were studied. Positive and...
Molecular Dynamics Simulation of Heterogeneous Nucleation of Liquid Droplet on Solid Surface (2000)
Tatsuto Kimura, Shigeo Maruyama
The heterogeneous nucleation of liquid droplet on a solid surface was simulated with the molecular dynamics method. Argon vapor was represented by 5760 Lennard-Jones molecules and the solid surface...
Molecular Dynamics Simulation of Hydrogen Storage in Single-Walled Carbon Nanotubes (2000)
Shigeo Maruyama, Tatsuto Kimura
The hydrogen storage mechanism of SWNTs was studied through molecular dynamics simulations. Assuming the simple physical adsorption of hydrogen to the surface of SWNTs, potential forms between H 2 -H...
A Molecular Dynamics Simulation of a Bubble Nucleation on Solid Surface (2000)
Shigeo Maruyama, Tatsuto Kimura, N Numberofmolecules
A heterogeneous nucleation of a vapor bubble on a solid surface was simulated by the molecular dynamics method. Liquid argon between parallel solid surfaces was gradually expanded, until a vapor...
A Molecular Dynamics Simulation of a Bubble Nucleation on Solid Surface (2000)
Shigeo Maruyama, Tatsuto Kimura
A heterogeneous nucleation of a vapor bubble on a solid surface was simulated by the molecular dynamics method. Liquid argon between parallel solid surfaces was gradually expanded, until a vapor...
Molecular Dynamics Method for Microscale Heat Transfer (2000)
Molecular level understandings are becoming more important and molecular based simulations are becoming more practical for microscale and nanoscale heat transfer problems. For example, studies of...
Molecular Dynamics Method for Microscale Heat Transfer (2000)
Molecular level understandings and treatments have been recognized to be more and more important in heat and mass transfer research. A new field, “Molecular Thermophysical Engineering, ” has a...
Tatsuto Kimura, Shigeo Maruyama
Heterogeneous nucleation of a liquid droplet on a solid surface was simulated with the molecular dynamics method. Argon vapor was represented by 5,760 Lennard-Jones molecules and the solid surface...
A Molecular Dynamics Simulation of a Bubble Nucleation of Solid Surface (1999)
Shigeo Maruyama, Tatsuto Kimura
In order to understand the molecular level phenomena related to the phase-change heat transfer, we are performing molecular dynamics simulations of a liquid droplet and a vapor bubble. Since many of...
Ft-Icr Studies Of Laser Desorbed Carbon Clusters (1999)
Shigeo Maruyama, Tetsuya Yoshida, Masamichi Kohno, Mitsuru Inoue
Atomic and molecular clusters are being recognized as playing an important role in the thin-film deposition process and phase-change phenomena. Furthermore, small clusters are the most adequate...
A Study on Thermal Resistance over a Solid-Liquid Interface by the Molecular Dynamics Method (1999)
Shigeo Maruyama And, Shigeo Maruyama, Tatsuto Kimura
Through molecular dynamics simulations, it was demonstrated that a thermal resistance cannot be neglected over a solid-liquid interface when a system size is very small, i.e. the relative importance...
Shigeo Maruyama, Yasutaka Yamaguchi, Masamichi Kohno, Tetsuya Yoshida
The formation mechanism of empty and metal-containing fullerene was studied through MD (molecular dynamics) simulations and FT-ICR (Fourier transform ion cyclotron resonance) mass spectroscopy of...
Molecular Dynamics Simulations Of Formation Of Metal-Containing Fullerene (1999)
Y. Yamaguchi, Yasutaka Yamaguchi, Shigeo Maruyama, Shin-ichi Hori, Lac Lac
The growth process of metal-containing fullerene was studied using the molecular dynamics method. As for metalcontaining fullerene, only the metal atoms such as La, Y or Sc are experimentally...
FT-ICR Study of Chemical Reaction of Silicon Clusters (1999)
Shigeo Maruyama, Masamichi Kohno, Shuhei Inoue
Chemical reaction of small silicon cluster ions Si n + (11 n 20) with ethylene was studied with a newly implemented Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer. Silicon...
A Molecular Dynamics Simulation of the Fullerene Formation Process (1998)
Yasutaka Yamaguchi, Shigeo Maruyama
A molecular dynamics simulation starting from 500 isolated carbon atoms resulted in several closed caged structures under suitable temperature control. A caged C 70 cluster that appeared in the...
A Molecular Dynamics Demonstration of Annealing to a Perfect C60 Structure (1998)
Shigeo Maruyama, Yasutaka Yamaguchi
The formation process of imperfect fullerenes C 60 and C 70 was simulated using the molecular dynamics method as described in our previous report. These imperfect fullerenes were kept at 2500 K to...
Numerical Simulation of Boiling Heat Transfer (1997)
Ying He, Shigeo Maruyama, Masahiro Shoji
It's considered that pool boiling heat transfer is closely related to the intermittent behavior of vapor mass and the consumption of macro-layer on the heated surface. Many experiments have been...
Photo-Ionized TOF Mass Spectrometry of Atomic Clusters (1997)
Shigeo Maruyama, Hideaki Kinbara, Hideaki Hayashi, Dai KIMURA
Generation of carbon, silicon and silver clusters by the laser-vaporization supersonicexpansion cluster beam source was studied using a reflectron type time-of-flight (TOF) mass spectrometer. Atomic...
Shigeo Maruyama, Yasutaka Yamaguchi
The formation mechanism of fullerene, a new type of carbon molecule with hollow caged structure, was studied using the molecular dynamics method. The classical potential developed by Brenner (1) was...
A Molecular Dynamics Simulation for the Formation Mechanism of Fullerene (1994)
Shigeo Maruyama, Yasutaka Yamaguchi
The formation mechanism of fullerene, the new type of carbon molecule with the hollow caged structure, was studied using the molecular dynamics method. Simulated C 60 with an empirical carbon...
A Molecular Dynamics Simulation for the Formation Mechanism of Fullerene (1994)
Shigeo Maruyama And, Shigeo Maruyama, Yasutaka Yamaguchi
The formation mechanism of fullerene, a new type of carbon molecule with a hollow caged structure, was studied using a molecular dynamics method. In order to simulate the basic reaction process...
Surface Phenomena of Molecular Clusters by Molecular Dynamics Method (1994)
Shigeo Maruyama, Sohei Matsumoto, Akihiro Ogita
Liquid droplets of water and argon surrounded by their vapor have been simulated by the molecular dynamics method. To explore the surface phenomena of clusters, each molecule is classified into...
Suguru Noda A, Yoshiko Tsuji, Yoichi Murakami, Shigeo Maruyama
method to prepare metal nanoparticles that catalyze the