Zobrazeno 1 - 10 of 181 pro vyhledávání: '"Shigeya Naritsuka"'
1
Single-walled carbon nanotube growth from Ni catalyst particles under conventional growth conditions by alcohol catalytic chemical vapor deposition: in situ X-ray absorption fine structure study
Autor: Shusaku Karasawa, Takahiro Saida, Kamal Prasad Sharma, Shigeya Naritsuka, Takahiro Maruyama
Publikováno v: Japanese Journal of Applied Physics. 62:SG1036
In situ X-ray absorption fine structure (XAFS) analysis was performed on Ni catalysts during the growth of single-walled carbon nanotubes (SWCNTs) by alcohol catalytic chemical vapor deposition (ACCVD). Ni catalysts were gradually reduced during the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1598c65c0be0b496842efa032ecb550b
https://doi.org/10.35848/1347-4065/acbe05
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2
Effect of Growth Pressure on Graphene Direct Growth on an A-Plane Sapphire Substrate: Implications for Graphene-Based Electronic Devices
Autor: Takahiro Maruyama, Shigeya Naritsuka, Yuki Ueda
Publikováno v: ACS Applied Nano Materials. 4:343-351
Graphene direct growth was performed on an a-plane (1–120) sapphire substrate using low-pressure chemical vapor deposition (LPCVD) without a metal catalyst. The direct graphene growth on a-plane sa...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5d415d339a99eeb65238badb404be56
https://doi.org/10.1021/acsanm.0c02634
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7
Low-temperature synthesis of single-walled carbon nanotubes with Co catalysts via alcohol catalytic chemical vapor deposition under high vacuum
Autor: Takahiro Maruyama, Takuya Okada, Shigeya Naritsuka, Takahiro Saida
Publikováno v: Materials Today Communications. 19:51-55
We synthesized single-walled carbon nanotubes (SWCNTs) using Co catalysts on Al2O3/SiO2/Si substrates via alcohol catalytic chemical vapor deposition (CVD). We attained SWCNT growth at 270 °C with Co catalysts by optimizing the ethanol pressure with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3407e2512a173bffee8356e9e9188040
https://doi.org/10.1016/j.mtcomm.2018.12.018
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9
Vertically Aligned Single-Walled Carbon Nanotube Growth from Ir Catalysts by Alcohol Gas Source Method
Autor: Takuya Okada, Takahiro Maruyama, Takahiro Saida, Shigeya Naritsuka
Publikováno v: MRS Advances. 4:225-230
We demonstrated that single-walled carbon nanotubes (SWCNTs) grew from Ir catalysts by an alcohol catalytic chemical vapor deposition (ACCVD) method using a gas source-type CVD system. At an ethanol pressure of 1×10−1 Pa at 800°C, vertically alig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::428811f5d3a295bd319cde0276d41204
https://doi.org/10.1557/adv.2019.155
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10
Nanodiamond as the carbon source for precipitation of multilayer graphene on a Si substrate
Autor: Tatsuya Kashio, Asato Nakashima, Tomoaki Murahashi, Ryosuke Achiwa, Takahiro Maruyama, Shigeya Naritsuka
Publikováno v: Japanese Journal of Applied Physics. 61:060909
Nanodiamond was used to directly precipitate graphene at the interface between Ni catalyst and Si substrate. Consequently, multilayer graphene was successfully precipitated without using a capping layer. The critical temperature for the precipitation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a039af4807b8eb77eecddf48d9eeeabb
https://doi.org/10.35848/1347-4065/ac62e5
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