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Your search keyword '"Takashi Ohmori"' showing total 3 results
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3 results on '"Takashi Ohmori"'

2. Preparation of ZnO/Au Nanocomposite Thin Films by Electrodeposition

Author

Takashi Ohmori, Hideki Masuda, Susumu Takanezawa, and Takako Yoshino

Subjects
Nanocomposite, Aqueous solution, Materials science, Transition metal, Absorption spectroscopy, Chemical engineering, Composite number, Surface plasmon, General Engineering, General Physics and Astronomy, Mineralogy, Thin film, Absorption (chemistry)
Abstract

ZnO/Au nanocomposite thin films were fabricated by electrodepositon from an aqueous solution of Zn(NO3)2 and KAuCl4. The composite film contained small particles of Au, the average diameter of which was in the range of 18 to 25 nm. The composite films were transparent and were red due to surface plasmon absorption of small Au particles deposited without subsequent heat treatment.

Published
1996
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3. Morphological Transformation of Palladium Caused by Measurement of a Scanning Tunneling Microscope

Author

Kazuhito Hashimoto, Akira Fujishima, and Takashi Ohmori

Subjects
Morphology (linguistics), business.industry, Chemistry, General Engineering, General Physics and Astronomy, chemistry.chemical_element, Surface finish, Surface energy, law.invention, Metal, Optics, Transition metal, law, Chemical physics, visual_art, visual_art.visual_art_medium, sense organs, Scanning tunneling microscope, skin and connective tissue diseases, business, Platinum, Palladium
Abstract

It was observed that scanning the surface of palladium (Pd) for imaging with a scanning tunneling microscope (STM) caused the morphological change of the surface: The morphology of Pd was transformed from a rough surface to a flat one. This observation suggests that the surface was changed so as to reduce the surface energy. In the case of platinum, the morphology also changed to a certain degree. However, the change was not as drastic as compared with that of Pd. It is supposed that this morphological transformation was due to an electrostatic force (image force) between the STM tip and the metal surface.

Published
1991
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