表面技術
Online ISSN : 1884-3409
Print ISSN : 0915-1869
ISSN-L : 0915-1869
アルミニウム表面形態のEL特性に及ぼす影響
前野 智和谷川 豪森崎 重喜
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ジャーナル フリー

2000 年 51 巻 7 号 p. 714-717

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Electroluminescence originating in rare-earth metals was observed during reanodization of barrier type anodic alumina films doped rare-earth metals by ion-implantation. In this case, EL intensity was influenced by Al surface morphology as a result of electropolishing. The influence of Al surface treatments of etching or indenting on EL intensities has been investigated.
Vivid EL occurred around the pitting points of corrosion in the specimen with a surface treatment by Etching. Many projections were formed around the pitting points of corrosion, and these areas became the starting points of an electron stream. EL intensities increased with an increase in the projections deu to surface area expansion.
The electron stream in the film grew larger with surface treatment by indenting, where EL intensities increased with an increase in current densities.

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