Improved corrosion resistance of IrMn by Cr and Ru additions

M.J. Carey; A.J. Kellock; L. Baril; J.R. Childress; T. Le; T. Thompson; B.A. Gurney

doi:10.1063/1.1526910

Applied Physics Letters

Paper

19 Dec 2002

Improved corrosion resistance of IrMn by Cr and Ru additions

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Abstract

The magnetic and corrosion properties of Ir16Mn84 with Ru and Cr additions were investigated. The corrosion current and potential were Ic = 8 μA/cm2 and E0 = -580 mV respectively, for Ir16Mn84 with 12 vol% Cr. Results showed that when Ru was used as additive, Ic and E0 were 10 μA/cm2 and -100 mV, respectively, for 9 vol%.

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