Transition of hydrated oxide layer for aluminum electrolytic capacitors

Choong Soo Chi, Yongsoo Jeong, Hong Joo Ahn, Jong Ho Lee, Jung Gu Kim, Jun Hee Lee, Kyung Wook Jang, Han Jun Oh

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A hydrous oxide film for the application as dielectric film is synthesized by immersion of pure aluminum in hot water. From a Rutherford backscattering analysis, the ratio of aluminum to oxygen atoms was found to be 3:2 in the anodized aluminum oxide film, and 2:1 in the hydrous oxide layer. Anodization of the hydrous oxide layer was more effective for the transition of amorphous anodic oxides to the crystalline aluminum oxides.

Original languageEnglish
Pages (from-to)314-317
Number of pages4
JournalMaterials Science and Engineering: A
Volume448-451
DOIs
StatePublished - 25 Mar 2007

Keywords

  • Anodization
  • Boehmite
  • Dielectric layer
  • Hydrous layer
  • RBS

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