Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Shigeo Yoshii"'
Publikováno v:
Electrochemistry Communications, Vol 35, Iss, Pp 142-145 (2013)
The design of highly active anode catalysts for water electrolysis is a critical challenge to achieve a sustainable energy-powered economy. Here we report on copper delafossite oxide (ABO2; A = Cu) as a novel anode for the oxygen evolution reaction (
Publikováno v:
The Journal of Physical Chemistry C. 117:8156-8160
The nature of graphene/substrate interfaces needs to be understood to improve the crystalline quality of graphene films grown with chemical vapor deposition (CVD). We have theoretically investigated the potential-energy surface (PES) of graphene on c
Autor:
Masahiro Horita, Shigeo Yoshii, Mutsunori Uenuma, Ichiro Yamashita, Kentaro Kawano, Bin Zheng, Yukiharu Uraoka
Publikováno v:
Key Engineering Materials. 470:92-97
This study reports on the controlled single conductive path in ReRAM formed by embedding Pt nanoparticles (Pt NPs) in NiO film. Homogenous Pt NPs produced and placed by ferritin protein produce electric field convergence which leads to the controlled
Autor:
Shigeo Yoshii, Atsushi Miura, Takashi Fuyuki, Yukiharu Uraoka, Kiyohito Yamada, Ichiro Yamashita, Shinya Kumagai
Publikováno v:
Japanese Journal of Applied Physics. 46:7549-7553
The charge injection characteristics of nanodot arrays for floating nanodot gate memories (FNGMs) were studied using a metal–oxide–semiconductor (MOS) capacitor having density-controlled arrays of homogenous nanodots in a SiO2 layer. Nanodot arra
Autor:
Isamu Fujiwara, Shigeo Yoshii, Jeremy R. H. Tame, C. Addy, Jonathan G. Heddle, Kazuaki Nishio, Hirokazu Yamadaki, Ichiro Yamashita
Publikováno v:
Small. 3:1950-1956
The cavity of the toroidal protein TRAP (trp RNA-binding attenuation protein) is modified to capture gold nanodots in solution. By engineering a titanium-binding peptide onto one surface of the ring it is also possible to bind it specifically and tig
Autor:
Nozomu Matsukawa, Atsushi Miura, Ichiro Yamashita, Takashi Fuyuki, Shigeo Yoshii, Yukiharu Uraoka, Shinya Kumagai
Publikováno v:
Surface Science. 601:L81-L85
A polyelectrolyte thin film which was simply spin-coated on a substrate showed the high-density adsorption of bionanodot-accommodated ferritins through electrostatic interaction. Solution pH adjustment facilitated the control of adsorption density to
Autor:
Ichiro Yamashita, Shigeo Yoshii, Yukiharu Uraoka, Takashi Fuyuki, Takio Hikono, Masaki Takeguchi
Publikováno v:
Surface Science. 600:2817-2822
For application to floating nanodots gate memory, ferritin core, ferrihydrite nanodot, array was made and reduced to be conductive. Ammonia plasma treatment was employed to reduce the ferrihydrite cores. X-ray photoelectron spectroscopy analysis conf
Autor:
Isamu Fujiwara, Shigeo Yoshii, Nozomu Matsukawa, Ichiro Yamashita, Shinya Kumagai, Kiyohito Yamada, Mitsuhiro Okuda, Kazuaki Nishio
Publikováno v:
Japanese Journal of Applied Physics. 45:4259-4264
High-density cage-shaped proteins with inorganic cores were selectively adsorbed as a monolayer onto a 3-aminopropyl-triethoxysilane (APTES) layer on a Si substrate. The electrostatic interaction between the protein and substrate surface was studied
Autor:
Shigeo Yoshii, Kiyohito Yamada, Shinya Kumagai, Isamu Fujiwara, Ichiro Yamashita, Nozomu Matsukawa
Publikováno v:
Journal of Photopolymer Science and Technology. 18:495-500
High-density ferritin nanopatterning - the protein and core complex - on a silicon substrate was achieved using nanometric patterns of amino-group modification. These patterns were made through a combination of EB lithography and vapor-phase depositi
Publikováno v:
Superlattices and Microstructures. 28:331-337
A static random access memory (SRAM) cell circuit, constructed using Si interband tunneling diodes (IBTDs) and a metal-oxide-semiconductor field effect transistor (MOSFET), is presented. The Si-IBTD is a negative differential resistance (NDR) device