Solute-atom segregation: An oscillatory Ni profile at an internal interface in Pt(Ni)

S. M. Kuo*, A. Seki, Y. Oh, D. N. Seidman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Thermodynamic equilibrium segragation at an individual grain boundary in a Pt-3 at. % Ni alloy is studied via transmission electron microscopy, atom-probe field-ion microscopy, and Monte Carlo simulations. Ni segregation is measured at the grain boundary. The Ni concentration profile is asymmetric with respect to the grain-boundary plane; it decreases in an oscillatory fashion on one side and monotonically on the other side.

Original languageEnglish (US)
Pages (from-to)199-202
Number of pages4
JournalPhysical review letters
Volume65
Issue number2
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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