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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
  • Kookmin University
  • Korea Institute of Machinery and Materials
  • Korea Atomic Energy Research Institute
  • Hanseo University
  • Dong-A University

Research output: Contribution to journalArticlepeer-review

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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