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Your search keyword '"Sato, Tetsuya"' showing total 15 results
Start Over Author "Sato, Tetsuya" Journal japanese journal of applied physics
15 results on '"Sato, Tetsuya"'

1. Nanoscale diffusion tracing by radioactive8Li tracer

Author

Ishiyama, Hironobu, primary, Jeong, Sun-Chan, additional, Watanabe, Yutaka, additional, Hirayama, Yoshikazu, additional, Imai, Nobuaki, additional, Miyatake, Hiroari, additional, Oyaizu, Michiharu, additional, Katayama, Ichiro, additional, Osa, Akihiko, additional, Otokawa, Yoshinori, additional, Matsuda, Makoto, additional, Nishio, Katsuhisa, additional, Makii, Hiroyuki, additional, Sato, Tetsuya, additional, Kuwata, Naoaki, additional, Kawamura, Junichi, additional, Nakao, Aiko, additional, Ueno, Hedeki, additional, Kim, Yung Hee, additional, Kimura, Sota, additional, and Mukai, Momo, additional

Published
2014
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14. Deposition of Diamond-like Carbon Films by Pulsed-Laser Evaporation

Author

Shigeo Furuno, Sato Tetsuya, Mitsugu Hanabusa, and Satoshi Iguchi

Subjects
Materials science, Diamond-like carbon, business.industry, Band gap, General Engineering, Analytical chemistry, General Physics and Astronomy, chemistry.chemical_element, Substrate (electronics), Evaporation (deposition), eye diseases, Crystallinity, Carbon film, Optics, chemistry, sense organs, Thin film, business, Carbon
Abstract

Diamond-like carbon thin films were deposited by pulsed-laser evaporation. A carbon target was irradiated by a Xe-Cl laser with a power density of 3×108 W/cm2. Ions were mixed with vaporized atoms. Deposition rates were typically 200 Å/ min. Film properties changed with substrate temperature. The films deposited at 50°C were diamond-like, as confirmed by refractive index (2.1 to 2.2), optical transparenty and chemical resistance. Hydrogen-free films were produced. Optical band gap was 1.4 eV and electrical resistivity was 108 Ω-cm. No crystallinity was observed.

Published
1987

15. Synthesis of Amorphous Germane by Tunneling Reactions of Hydrogen Atoms with van der Waals GeH4 Films at Cryogenic Temperatures.

Author

Sogoshi, Norihito, Sato, Shoji, Takashima, Hideaki, Sato, Tetsuya, and Hiraoka, Kenzo

Abstract

The reactions of hydrogen atoms with a thin GeH4 film condensed on a substrate at 10 K led to the formation of amorphous-like solid film. The solid products were analyzed by in-situ Fourier transform-infrared spectroscopy, ex-situ spectroscopic ellipsometry, and X-ray photoelectron spectroscopy. It was found that the solid products were mainly composed of hydrogenated amorphous germane and polygermanes. It was proposed that the singlet GeH2 which is the intermediate product in the consecutive reactions of H with GeH4 inserts into the neighboring Ge–H bonds resulting in the Ge–Ge bond network. It was found that up to the equivalent ∼23 GeH4 monolayers from the top surface of the reactant GeH4 film were converted to the solid product but not deeper. [ABSTRACT FROM AUTHOR]

Published
2009
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