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Atom-Probe Study of Selective Oxidation of Ni from Cu-Ni Alloy

  • K. Hono (a1), M. Nakamura (a1), H. W. Pickering (a1) and T. Sakurai (a2)

Abstract

The initial oxidation stages of Cu-Ni alloys have been studied by atom-probe field ion microscopy (APFIM). Oxide layers were formed in-situ in the FIM chamber on the clean alloy surfaces. The Cu-Ni alloys were oxidized in-situ at 1×10−4 Torr O2 at 970 K for less than 1 min. The atom-probe analysis of the {111} and {100} surfaces of the oxidized alloys showed that the oxide was comprised of NiO. The concentration change at the oxide/metal interface was also analyzed by the atom-probe.

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Atom-Probe Study of Selective Oxidation of Ni from Cu-Ni Alloy

  • K. Hono (a1), M. Nakamura (a1), H. W. Pickering (a1) and T. Sakurai (a2)

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