Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Yugo Higashi"'
Autor:
Takeshi Hikata, Soichiro Okubo, Yugo Higashi, Teruaki Matsuba, Risa Utsunomiya, Sadahiro Tsurekawa, Katsuhisa Murakami, Jun-ichi Fujita
Publikováno v:
AIP Advances, Vol 3, Iss 4, Pp 042127-042127 (2013)
We produced novel carbon nanofibers (CNFs) by oxidizing high-purity iron foil and then carburizing it in acetylene gas flow. This formed cracks in the heat-treated iron foil with CNFs bridging the two walls of each crack. The CNFs were drawn out from
Externí odkaz:
https://doaj.org/article/76ef07c8df514d2cafb3114c768122c3
Publikováno v:
Journal of Materials Science. 41:8101-8108
SiO2–TiO2 spherical microparticles of about 0.7 μm in diameter were prepared by the sol–gel method. Anatase nanocrystals were formed in the microparticles and their specific surface area was increased after a hot-water treatment at 90 °C. From
Publikováno v:
Key Engineering Materials. 314:107-114
V2O5 microparticles of 0.3-0.6 μm in diameter were prepared from VO(O-C3H7 i)3 in an ethanol solution by the sol-gel method. The addition of poly(ethylene glycol) and acetyl acetone into the sols was effective to control the size and spherical shape
Autor:
Takao Hamatani, Toshihiro Hirano, Yugo Higashi, Hiromitsu Kozuka, Hiroshi Tokita, Shinsuke Takenaka
Publikováno v:
Journal of Sol-Gel Science and Technology. 26:681-686
Residual stress was evaluated by measuring the substrate curvature for alkoxide-derived silica and titania films deposited on silica glass substrates. The residual stress was tensile, increasing with increasing heat-treatment temperature. The stress
Autor:
Toshikazu Nosaka, Ryota Tomokane, Lujun Pan, Seiji Akita, Yugo Higashi, Yoshikazu Nakayama, Kenichiro Tanaka, Yukihiro Fujiyama
Publikováno v:
Japanese Journal of Applied Physics. 47:1991-1993
Vertical alignment of carbon nanocoils (CNCs) relative to a substrate in a polymer matrix has been demonstrated using dielectrophoresis under the parallel-plate electrode configuration. The CNCs were aligned toward the electric field with an AC frequ
Autor:
Ryota Tomokane, Lujun Pan, Yugo Higashi, Yoshikazu Nakayama, Toshikazu Nosaka, Kenichiro Tanaka, Yukihiro Fujiyama, Seiji Akita
Publikováno v:
Japanese Journal of Applied Physics. 46:1815-1817
The alignment of carbon nanocoils (CNCs) has been demonstrated by electrophoresis and dielectrophoresis. In the case of DC electric field, while most of all CNCs moved toward a cathode and formed a chain structure in a suspension, no CNC alignment wa
Autor:
Yugo Higashi, Teruaki Matsuba, Sadahiro Tsurekawa, Katsuhisa Murakami, Risa Utsunomiya, Jun-ichi Fujita, Takeshi Hikata, Soichiro Okubo
Publikováno v:
AIP Advances, Vol 3, Iss 4, Pp 042127-042127 (2013)
We produced novel carbon nanofibers (CNFs) by oxidizing high-purity iron foil and then carburizing it in acetylene gas flow. This formed cracks in the heat-treated iron foil with CNFs bridging the two walls of each crack. The CNFs were drawn out from