Interpretation of EIS data on passive steel surfaces in aqueous sulfuric acid solution in terms of carrier migration and recombination

Gabor Nagy, Z. Kerner, R. Schiller

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A model is proposed for the description of the interplay of charge carrier migration, effected by external voltage and combination within very thin passive oxide layers. This theory is used to describe the electrochemical impedance spectra of passive stainless steel in sulfuric acid, a prototype of such surfaces. A simple Rs - Zmr

Original languageEnglish
Pages (from-to)1737-1742
Number of pages6
JournalElectrochimica Acta
Volume53
Issue number4
DOIs
Publication statusPublished - Dec 31 2007

Fingerprint

Steel
Stainless Steel
Charge carriers
Sulfuric acid
Oxides
Stainless steel
Electric potential
sulfuric acid

Keywords

  • Impedance
  • Migration
  • Passive oxide
  • Random walk
  • Recombination

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

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KW - Recombination

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