A study of thin anodic WO3 films by elec
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Sonia R. Biaggio; Romeu C. Rocha-Filho; Jorge R. Vilche; Francisco E. Varela; Li
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Article
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1997
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Elsevier Science
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English
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The properties of thin anodic passive films potentiostatically formed (1 V I Ef s 5 V us see) on polycrystalline tungsten in aqueous H3P04, HzS04, HNOs and HCl04 solutions (pH z 1.3) were studied using electrochemical impedance spectroscopy at room temperature. The data were analysed with a transfer