Zobrazeno 1 - 10
of 130
pro vyhledávání: '"Akira Sugimura"'
Autor:
Ayako Omura, Atsushi Korenaga, Hiroki Mano, Tsuguyori Ohana, Akira Sugimura, Akira Mizuno, Yoshiyuki Tanaka, Makoto Maeda, Kazumasa Uchida
Publikováno v:
Tribology Online, Vol 14, Iss 4, Pp 208-213 (2019)
To improve the transmission efficiency of a continuously variable transmission (CVT) system, it is effective to form a tribofilm with higher friction coefficient. Therefore, understanding of the correlation between the tribofilm formation and frictio
Externí odkaz:
https://doaj.org/article/123bbf9eb6ce4720bac50ceaa4cba795
Autor:
Hiroki Mano, Atsushi Korenaga, Ayako Omura, Yoshiyuki Tanaka, Akira Mizuno, Kazumasa Uchida, Makoto Maeda, Tsuguyori Ohana, Akira Sugimura
Publikováno v:
Tribology Online, Vol 14, Iss 4, Pp 208-213 (2019)
To improve the transmission efficiency of a continuously variable transmission (CVT) system, it is effective to form a tribofilm with higher friction coefficient. Therefore, understanding of the correlation between the tribofilm formation and frictio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77552fea5365b9e448441762bbeb596f
https://www.jstage.jst.go.jp/article/trol/14/4/14_208/_pdf/-char/en
https://www.jstage.jst.go.jp/article/trol/14/4/14_208/_pdf/-char/en
Autor:
Ryo Yamada, Muneyuki Naito, Akira Sugimura, Nobuya Machida, Yusuke Koshiba, Tamao Aoki, Ikurou Umezu
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 365:110-113
We have examined microstructures induced by pulsed-laser-melting for the Mn ion implanted Si using transmission electron microscopy. Single crystalline Si(0 0 1) wafers were irradiated with 65 keV and 120 keV Mn ions to a fluence of 1.0 × 10 16 /cm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b1ed5bacde8b2f2b36f17e194fe77c5
https://doi.org/10.1016/j.nimb.2015.07.073
https://doi.org/10.1016/j.nimb.2015.07.073
Publikováno v:
Applied Physics A. 117:223-227
We have synthesized titanium dioxide (TiO2) nanocrystallites by pulsed laser ablation (PLA) in oxygen (O2) background gas for photocatalyst applications. Varying O2 background gas pressure $$ \left( {P_{{{\text{O}}_{ 2} }} } \right) $$ or substrate t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4e281453e4e9900fc099d9467ca6cd5
https://doi.org/10.1007/s00339-014-8378-3
https://doi.org/10.1007/s00339-014-8378-3
Autor:
Muneyuki Naito, Akira Sugimura, Yusuke Koshiba, Ikurou Umezu, Daisuke Kawabe, Atsushi Kohno, Tadashi Saitoh, Mitsuru Inada, Tamao Aoki, Katsuki Nagao
Publikováno v:
Applied Physics A. 117:155-159
Hyperdoping with deep-level impurity is a promising method to prepare intermediate band semiconductors. We prepared silicon hyperdoped with deep-level impurities, sulfur and titanium, by ion implantation followed by pulsed YAG laser melting. The proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de1179cfd378a7ad588d554a6d027a2d
https://doi.org/10.1007/s00339-014-8313-7
https://doi.org/10.1007/s00339-014-8313-7
Autor:
Akira Sugimura, T. Taniguchi, Yasuhisa Naitoh, N. Fukutome, Atsushi Yamasaki, T. Horie, H. Kobori, N. Takata, Tetsuo Shimizu
Publikováno v:
Journal of Magnetism and Magnetic Materials. 331:88-91
We have studied the magneto-transport of magnetite (Fe 3 O 4 ) nanoparticles (MNPs) between Au nanogap electrodes (ANGEs) on surface-oxidized Si substrate. The MNP sizes are approximately 40 nm and the 100 nm thick magnetite thin film (which is forme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::919bbf1f68ff0b8339bad24a86a87db1
https://doi.org/10.1016/j.jmmm.2012.11.015
https://doi.org/10.1016/j.jmmm.2012.11.015
Autor:
Yasuhiro Yokoyama, Naomichi Sakamoto, Koichiro Nobuzawa, Hiroshi Fukuoka, Akira Sugimura, Ikurou Umezu
Publikováno v:
Applied Physics A. 110:629-632
Si and Ge targets were simultaneously irradiated by individual two pulsed lasers, and two plumes from the targets were collided head-on with expectation to prepare hybrid nanoparticles. We investigate effects of He background gas pressure on plume co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac6a618b619f526e11dfa16e3e185211
https://doi.org/10.1007/s00339-012-7141-x
https://doi.org/10.1007/s00339-012-7141-x
Autor:
A. Hoshino, H. Kobori, Tetsuo Shimizu, T. Horie, T. Taniguchi, K. Uzimoto, Atsushi Yamasaki, Akira Sugimura, Yasuhisa Naitoh
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 25:2809-2812
We have presented the study on the magnetoresistance intensification of (Fe3O4)1−X/(BaTiO3)X nanoparticle-composite-sinter (NPCS) produced by low temperature heat treatment. The average sizes of α-Fe2O3 and BaTiO3 nanoparticles are 30 nm and 40 nm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac5c8d9f5246ac96332b5fc618a3fb67
https://doi.org/10.1007/s10948-011-1271-9
https://doi.org/10.1007/s10948-011-1271-9
Publikováno v:
Applied Physics A. 104:907-911
GaN is a promising material not only for electronic devices but also for photocatalysts. Synthesis of GaN nanocrystal is a key issue to improve performance for these applications. In the present study, GaN nanocrystallites have been synthesized by pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a37b46896f81d07c68f19e0454a30625
https://doi.org/10.1007/s00339-011-6438-5
https://doi.org/10.1007/s00339-011-6438-5
Autor:
Atsushi Yamasaki, H. Kobori, Atsushi Ando, T. Asahi, Tetsuo Shimizu, T. Taniguchi, Yasuhisa Naitoh, Akira Sugimura, Hirofumi Kawanaka
Publikováno v:
Journal of Magnetism and Magnetic Materials. 323:686-690
We investigated electrical- and magneto-resistance control in magnetite (Fe 3 O 4 ) nanoparticle sinter (MNPS) by the regulation of heat treatment (HT) temperature. MNPS was produced from hematite (α-Fe 2 O 3 ) nanoparticles (HNP’s) using a deoxid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fbf00b1d882f9e57c60b5854f1dd93d
https://doi.org/10.1016/j.jmmm.2010.10.016
https://doi.org/10.1016/j.jmmm.2010.10.016