Phase separation in a two-dimensional Co-Cr alloy

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

doi:10.1063/1.123490

Phase separation in a two-dimensional Co-Cr alloy

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

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

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 language	English
Pages (from-to)	1087-1089
Number of pages	3
Journal	Applied Physics Letters
Volume	74
Issue number	8
DOIs	https://doi.org/10.1063/1.123490
Publication status	Published - 1999
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.123490

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title = "Phase separation in a two-dimensional Co-Cr alloy",

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 {\AA} size was observed. Evidence of compositional inhomogeneity was observed in Cr-rich phases but not in Co-rich phases.",

author = "Kahng, {S. J.} and Choi, {Y. J.} and Park, {J. Y.} and Y. Kuk",

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AU - Choi, Y. J.

AU - Park, J. Y.

AU - Kuk, Y.

PY - 1999

Y1 - 1999

N2 - 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.

AB - 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.

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U2 - 10.1063/1.123490

DO - 10.1063/1.123490

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SP - 1087

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Phase separation in a two-dimensional Co-Cr alloy

Abstract

ASJC Scopus subject areas

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