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Featured researches published by Issei Mizuki.


Active and Passive Electronic Components | 1976

Photoluminescence of Anodic Oxide Films on Aluminium

Sakae Tajima; Nobuyoshi Baba; Kenichi Shimizu; Issei Mizuki

A wide variety of anodic oxide films were investigated from the photoluminescent point of view. It was found that the phenomenon of photoluminescence appears only on the films anodically formed in organic acids instead of inorganic acids. In particular, thick oxalic acid films formed in low electrolyte concentration, with high current densities on high purity aluminium, gave intense photoluminescence. The luminescent centres were presumed to be the carboxylate ions which had been incorporated in the films during anodisation.


Japanese Journal of Applied Physics | 1977

Yellow Electroluminescence from Al–Al2O3: Mn-Electrolyte System during Anodization of Al–Mn(1%) Alloy

Issei Mizuki; Nobuyoshi Baba; Sakae Tajima

Yellow electroluminescence during the anodization of an Al–Mn(1%) alloy in certain electrolytes has a peak at about 560 nm, and the optimum content of Mn as activator is ca. 1%. Electrolytes of the barrier forming type, such as ammonium borate of 0.1 mol, and 2000 HizAC formation are suitable for obtaining intensive EL. Thin Al2O3: Mn phosphors can be formed by the anodization of Al–Mn(1%) alloys, and yellow EL occurs due to the collision-excitation of Mn activators by injected electrons from the oxide-electrolyte interface.


Japanese Journal of Applied Physics | 2009

Transparentization of Tunnel-Etched Al Foil by Anodic Oxidation

Issei Mizuki; Toshiaki Kondo; Kazuyuki Nishio; Hideki Masuda

The transparentization of etched Al foil was achieved by anodic oxidation in acid solution. The anodization under a low-voltage condition in chromic acid electrolyte contributed to a decrease in the amount of residual Al and generated a transparent porous material in the visible-wavelength region. The obtained transparent porous foil can be used for the preparation of several functional optical devices that require a transparent porous substrate with a large surface area.


Advanced Materials '93#R##N#Biomaterials, Organic and Intelligent Materials | 1994

YELLOW ELECTROLUMINESCENCE FROM ANODIC Al2O3:Mn FILMS FORMED ON Al-Mn ALLOY

Issei Mizuki; Hideki Masuda; Nobuyoshi Baba

The electroluminescenct device was fabricated using an Al/Al2O3 :Mn film/ITO system in which the Al2O3:Mn phosphor layer was formed by anodization of Al-Mn (1.2%) alloy in a chromic acid electrolytic solution. The device emitted yellow electroluminescence under DC high electric field of 105 v/cm.


Journal of The Surface Finishing Society of Japan | 1987

Electrochemical incorporation of electroluminescent Mn activator into porous anodic Al2O3 films on Al.

Issei Mizuki; Yuzo Yamamoto; Takako Yoshino; Nobuyoshi Baba


Japanese Journal of Applied Physics | 1973

Luminescence of Y2O3 Films during Anodization of Yttrium

Issei Mizuki; Nobuyoshi Baba; Sakae Tajima


Journal of The Surface Finishing Society of Japan | 2004

The Chemical State of Eu Ion Implanted into a Barrier Type Anodic Alumina Films

Go Tanigawa; Issei Mizuki; Shigeyoshi Morisaki


Journal of The Surface Finishing Society of Japan | 1992

Pink Electroluminescence during AC Anodizing of Aluminum in Aqueous Solution Containing Eu3+ Ion

Issei Mizuki; Shigeyoshi Morisaki; Nobuyoshi Baba


Journal of The Surface Finishing Society of Japan | 1989

Green Light-Emitting Device Using Tb3+ Activated Anodic Al2O3 Films Detached Cathodically from Aluminum Substrate

Issei Mizuki; Shigeyoshi Morisaki; Nobuyoshi Baba


Journal of The Surface Finishing Society of Japan | 1996

Electroluminescence from the Tb2+ and Tm2+ Ion Implanted Anodic Oxide Barrier Film on Aluminum

Tomokazu Maeno; Hisashi Ito; Yoshiyuki Tanizaki; Shigeyoshi Morisaki; Issei Mizuki

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Nobuyoshi Baba

Tokyo Metropolitan University

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Shigeyoshi Morisaki

Tokyo Metropolitan University

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Hideki Masuda

Tokyo Metropolitan University

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Takako Yoshino

Tokyo Metropolitan University

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Go Tanigawa

Tokyo Metropolitan University

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Kazuyuki Nishio

Tokyo Metropolitan University

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Masazumi Mori

Tokyo Metropolitan University

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Tomokazu Maeno

Tokyo Metropolitan University

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