Phase separation in a two-dimensional Co-Cr alloy

S. J. Kahng, Y. J. Choi, J. Y. Park, Y. Kuk

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Abstract

Two-dimensional phase separation in a Co-Cr random binary alloy on a W(110) surface was confirmed with ultra-high-vacuum scanning tunneling microscopy. With 1.1 ML Co and 0.1 ML Cr co-deposited at room temperature, the film shows a kinetically limited structure. Upon annealing, phase separation between Co and Cr-rich phases of ∼100 Å size was observed. Evidence of compositional inhomogeneity was observed in Cr-rich phases but not in Co-rich phases.

Original languageEnglish
Pages (from-to)1087-1089
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number8
DOIs
Publication statusPublished - 1999 Dec 1

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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