Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Shigeharu OHKURA"'
Autor:
Takashi Kuzuoka, Katsunori Aoki, Yang-Gyu Baek, K. Y. Lee, Shin-ichi Honda, Takashi Hirao, Mitsuhiro Katayama, Takashi Ikuno, Kenjiro Oura, Shigeharu Ohkura, Jeong-Tak Ryu
Publikováno v:
Thin Solid Films. :290-294
Randomly oriented carbon nanotubes (CNTs) were synthesized directly on SiO2 substrates by thermal chemical vapor deposition (CVD) with C2H4 gas as a carbon source. To control the diameters of the carbon nanotubes, Fe–Ni thin films with different th
Autor:
Takuji Oyama, Takashi Ikuno, Kazunori Kamada, Syunji Takahashi, Takashi Hirao, Shigeharu Ohkura, Shin-ichi Honda, Mitsuhiro Katayama, Takatoki Yamamoto, Kenjiro Oura, Motoki Kamizono
Publikováno v:
Applied Surface Science. :383-387
Carbon nanofiber (CNF) films have been successfully grown on Pd-Se, Fe-Ni, and Ni-Cu alloy catalysts at low temperatures by a thermal chemical vapor deposition method. Among these alloy catalysts, Ni-Cu alloy catalyst was found to be most suitable fo
Autor:
Takashi Hirao, Takashi Ikuno, Shin-ichi Honda, Keiichi Fujimoto, Keita Tsuji, Shigeharu Ohkura, Nobuyuki Hayashi, Mitsuhiro Katayama, Kenjiro Oura, Kuei-Yi Lee
Publikováno v:
Applied Surface Science. :393-396
Vertically aligned carbon nanotube (CNT) arrays have been successfully grown on Si substrates by dc bias sputtering. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observations revealed that the resultant arrays consist
Autor:
Takashi Kuzuoka, Yang Gyu Baek, Shigeharu Ohkura, Shin-ichi Honda, Takashi Hirao, Takashi Ikuno, Kenjiro Oura, Mitsuhiro Katayama
Publikováno v:
Scopus-Elsevier
We have developed plasma enhanced chemical vapor deposition system, which can be operated with the low pressure and the low voltage. On the optimal conditions, conical shaped nanostructures with about 1 μm height and 5 × 106 cm-2 in number density
Carbon Nanotube Bridges between Metal Nanoparticles Synthesized by Thermal Chemical Vapor Deposition
Autor:
Norihiro Yamauchi, Shin-ichi Honda, Shigeharu Ohkura, Mitsuhiro Katayama, Takashi Ikuno, Kenjiro Oura
Publikováno v:
Scopus-Elsevier
We synthesized carbon nanotube (CNT) bridges between Fe nanoparticles by low pressure thermal chemical vapor deposition using etylene gas. At low temperatures, randomly oriented CNTs were dominantly grown with increasing gas pressure. By optimizing t
Autor:
Nobuyuki Hayashi, Shigeharu Ohkura, Keita Tsuji, K. Y. Lee, Shin-ichi Honda, Kenjiro Oura, Mitsuhiro Katayama, Takashi Hirao, Takashi Ikuno
Publikováno v:
Scopus-Elsevier
Autor:
Takashi Ikuno, Takashi Hirao, Shigeharu Ohkura, Mitsuhiro Katayama, Kenjiro Oura, Jeong-Tak Ryu, Yang-Gyu Baek, Takuji Oyama, Shin-ichi Honda
Publikováno v:
Vacuum. 66:341-345
Carbon nanofibers have been synthesized at a low temperature using plasma. Iron phthalocyanine was used as a source material for this process. The carbon nanofibers were grown in random orientation with a diameter of about 100 nm and length up to 10
Autor:
Shigeharu Ohkura, Keiichi Fujimoto, K. Y. Lee, Shin-ichi Honda, Takashi Hirao, Mitsuhiro Katayama, Kenjiro Oura
Publikováno v:
Vacuum. 66:239-243
The electron field emission properties of the nanostructured carbon films were investigated. The films were deposited using an RF magnetron sputtering system with a hot filament. The target was a pure carbon disc and CH 4 gas was introduced into the
Autor:
Kuei-Yi Lee, Shigeharu Ohkura, Kenjiro Oura, Keiichi Fujimoto, Mitsuhiro Katayama, Shin-ichi Honda, Keita Tsuji, Takashi Hirao
Publikováno v:
SHINKU. 45:293-296
We have succeeded in controlling density and diameter of the carbon nanotubes (CNTs) prepared by RF magnetron sputtering. The catalytic Ni particles on the substrates were prepared by dipping the Ni film on the substrates into hydlofluoric acid (HF).
Autor:
Masahito TAGAWA, Hitoshi AKIMICHI, Chiharu MAEDA, Masahiro HIRATA, Shin-ichi NISHIZAWA, Seiji HIROKI, Sadamitsu TANZAWA, Takashi ARAI, Tetsuya ABE, Katsusuke SHIMIZU, Jyun-nosuke NAKATANI, Shizuma KURIBAYASHI, Megumi NAKAMURA, Toru SASAKI, Yoshiro SHIOKAWA, Nozomu HATTORI, Takafumi MORII, Masaaki HIRAI, Masahiko KUSAKA, Motohiro IWAMI, Zhao-Xiong XIE, Kayo IWASE, Ken-ichi TANAKA, Toshimi SUTOU, Tomohiro UMEZAWA, Daisuke ESASHIKA, Shigeru SAITO, Tetsuo SOUMURA, Shuji ISONO, Hideki YAMASAKI, Hakuto MURAKAMI, Masahiko YAMAMOTO, Takuji OYAMA, Takashi IKUNO, Jeong-Tak Ryu, Shigeharu OHKURA, Yang-Gyu Baek, Shin-ichi HONDA, Mitsuhiro KATAYAMA, Masahiko KITAGAWA, Kenjiro OURA, Keiichi FUJIMOTO, Kuei-Yi LEE, Nobuhiko OTA, Shinji SHINABE, Yuto FUKUMA, Yusuke SUETSUGU, Yao-Jane HSU, Yasunori TANIMOTO, Youichirou HORI, Ken-ichi KANAZAWA, Masanori KOBAYASHI, Masahide GOTOH, Koichi SUDOH, Hiroshi IWASAKI, Keisuke KAMETANI, Touichi HATANO, Masato KIUCHI, Katsutoshi TANAKA, Seiji TAKECHI, Satoshi SUGIMOTO, Seiichi GOTO, Tsukasa KOBAYASHI, Ryoki TOBE, Teruo YANAGIHASHI, Tetsuro OBAYASHI, Shigemi SUGINUMA, Tetsuo OGAWA, Kiyohide KOKUBUN, Takashi SEKIDO, Ichiro TAKANO, Yoshio SAWADA, Yoshiaki SAKURAI, Akio OKAMOTO, Toshikazu NOSAKA, Hiroya NAKAJIMA, Hiroshi KODA, Masaaki YOSHITAKE, Toyohito UCHIZONO, Toshiaki YASUI, Hirokazu TAHARA, Takao YOSHIKAWA, Akio SUZUKI, Jun SAKAMOTO, Takeshi MITSUHASHI, Akihito MORI, Takanori AOKI, Tatsuhiko MATSUSHITA, Masahiro OKUDA, Hiroyuki NAKANO, Hideo FURUHASHI, Toshio YOSHIKAWA, Akinori MAEDA, Yoshiyuki UCHIDA, Kenzo KOJIMA, Asao OHASHI, Shizuyasu OCHIAI, Teruyoshi MIZUTANI, Yasuharu YAMASHITA, Shu KUROKAWA, Akira SAKAI, Tomohide SASAKI, Tetsuro SHIRAO, Nobuhiro KANEKO, Keniche SHUDO, Masatoshi TANAKA, Kaoru OJIMA, Masamichi YOSHIMURA, Kazuyuki UEDA, Joselito LABIS, Akihiko OHI, Toshinori FUJIKI, Tadao TODA, Hiroshi HARIMA, Nobumasa KIWA, Yasuhito GOTOH, Hiroshi TSUJI, Junzo ISHIKAWA, Yoichiro YGI, Kiminori KAKITANI, Hiroko KAJI, Akio YOSHIMORI, Kazuhiko HASEGAWA, Wilson A. Dino, Hideaki KASAI, Ayao OKIJI, Katsuhisa CHIDA, Tetsumi TANABE, Yoshitsugu ARAKAKI, Morio YOSHIZAWA, Kouji NODA, Katsuhiro NAKAMURA, Yasushi YAMANO, Shinichi KOBAYASHI, Yoshio SAITO, Yoshihiro SATOH, Tomio KUBO, Hideharu MATSUSHIMA, Ken KASUGA, Hiroki ASARI, Norihiko IMAIZUMI, Kentarou SEKIKAWA, Masahiro SHIBUSAWA, Keisuke TAJIRI, Zenzaburo KABEYA, Yoshikazu NAKAYAMA, Shin AKIDUKI, Kazuhiro HASHIMOTO, Masamitu TAKAHASI, Jun'ichiro MIZUKI, Kazuhisa TAMURA, Toshihiro KONDO, Kohei UOSAKI, Shigeharu TAMURA, Masato YASUMOTO, Nagao KAMIJO, Yoshio SUZUKI, Mitsuhiro AWAJI, Akihisa TAKEUCHI, Hidekazu TAKANO, Hiroshi ITOH, Hidehiko NONAKA, Shingo ICHIMURA, Masahiro TOSA, Kazutaka MITSUISHI, Masaki TAKEGUCHI, Yoshio FUKUDA, Masahiro GOTO, Akira KASAHARA, Kazuo FURUYA, Kazuhiro YOSHIHARA, Kazuhiko MIMOTO, Takashi MATSUMOTO, Kunio OKIMURA, Kimiko SATO, Tsutomu TAKAHASHI, Tadashi NAKAMURA, Naohiro HORII, Akihiro INOUE, Nobuharu OHSAKO, Takeshi MIYASHITA, Kengo HIDAKA, Atsushi TANAKA, Hisahiro TANGE, Yuji TANAKA, Katsumi NISHIMURA, Takashi KOJIMA, Nozomu TAKAGI, Tatsuo WAKAIDA, Takeo HOSAKA, Akira SAKAZAKI, Takahiro OKADA, Akihiro TANAKA, Yasunori Yamamura, Yoshiyuki MIZUNO, Teiichi HOMMA, Sin'ichi INOUE, Yuhjin YAMAZAKI, Toshiaki FUJINO, Tomohisa OKUNO, Ken-ichi OHTOMI, Ken'ichi MIURA, Itsuo ISHIGAMI, Hideaki HOSHINO, Tomoyuki MIZUKOSHI, Fumihiro URATANI, Hiroshi NAKANISHI, Won-chul Moon, Tatsuo YOSHINOBU, Osamu SUEKANE, Masakazu TANAKA, Toshiko OKUI, Katsuhito ARAKAWA, Shigehiko HASEGAWA, Hisao NAKASHIMA, Miwako KUBO, Hiroshi MORIKAWA, Shizuo FUJITA, Shigeo FUJITA, Toshinari YAMAZAKI, Toshio YOSHIZAWA, Toshio KIKUTA, Shigeki HIROBAYASHI, Noriyuki NAKATANI, Tatsuo YAMABUCHI, Masatomo NISHIURA, Toru KANAJI, Makoto TANAKA, Z. An
Publikováno v:
SHINKU. 44:326-400