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Anders Mikkelsen. Portrait.

Anders Mikkelsen

Professor

Anders Mikkelsen. Portrait.

In situ anodization of aluminum surfaces studied by x-ray reflectivity and electrochemical impedance spectroscopy

Author

  • Florian Bertram
  • F. Zhang
  • Jonas Evertsson
  • F. Carla
  • J. Pan
  • Maria Messing
  • Anders Mikkelsen
  • J-O Nilsson
  • Edvin Lundgren

Summary, in English

We present results from the anodization of an aluminum single crystal [Al(111)] and an aluminum alloy [Al 6060] studied by in situ x-ray reflectivity, in situ electrochemical impedance spectroscopy and ex situ scanning electron microscopy. For both samples, a linear increase of oxide film thickness with increasing anodization voltage was found. However, the slope is much higher in the single crystal case, and the break-up of the oxide film grown on the alloy occurs at a lower anodization potential than on the single crystal. The reasons for these observations are discussed as are the measured differences observed for x-ray reflectivity and electrochemical impedance spectroscopy. (C) 2014 Author(s).

Department/s

  • Synchrotron Radiation Research
  • NanoLund: Centre for Nanoscience

Publishing year

2014

Language

English

Publication/Series

Applied Physics Reviews

Volume

116

Issue

3

Document type

Journal article

Publisher

American Institute of Physics (AIP)

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1931-9401