Kinetic processes in the growth and decomposition of a two-dimensional binary alloy

Se-Jong Kahng; J. Y. Park; Y. Kuk

doi:10.1016/S0039-6028(99)00949-8

Kinetic processes in the growth and decomposition of a two-dimensional binary alloy

Se-Jong Kahng, J. Y. Park, Y. Kuk

Research output: Contribution to journal › Article

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Abstract

The growth and decomposition of a two-dimensional cobalt-chromium binary alloy on the W(110) surface were studied with scanning tunneling microscopy. At room temperature, co-deposited cobalt and chromium were found to grow in a homogeneous nucleation scheme. At the annealing temperature of 150 °C, the co-deposited films decompose into two phases, cobalt-rich and chromium-rich phases, showing good agreement with the reported phase diagram. In the decomposed film with 0.9 monolayer of cobalt and 0.2 monolayer of chromium, the second-layer islands are cobalt-rich phase.

Original language	English
Pages (from-to)	379-384
Number of pages	6
Journal	Surface Science
Volume	442
Issue number	3
DOIs	https://doi.org/10.1016/S0039-6028(99)00949-8
Publication status	Published - 1999 Dec 1
Externally published	Yes

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ASJC Scopus subject areas

Physical and Theoretical Chemistry
Condensed Matter Physics
Surfaces and Interfaces

Cite this

Kahng, S-J., Park, J. Y., & Kuk, Y. (1999). Kinetic processes in the growth and decomposition of a two-dimensional binary alloy. Surface Science, 442(3), 379-384. https://doi.org/10.1016/S0039-6028(99)00949-8

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N2 - The growth and decomposition of a two-dimensional cobalt-chromium binary alloy on the W(110) surface were studied with scanning tunneling microscopy. At room temperature, co-deposited cobalt and chromium were found to grow in a homogeneous nucleation scheme. At the annealing temperature of 150 °C, the co-deposited films decompose into two phases, cobalt-rich and chromium-rich phases, showing good agreement with the reported phase diagram. In the decomposed film with 0.9 monolayer of cobalt and 0.2 monolayer of chromium, the second-layer islands are cobalt-rich phase.

AB - The growth and decomposition of a two-dimensional cobalt-chromium binary alloy on the W(110) surface were studied with scanning tunneling microscopy. At room temperature, co-deposited cobalt and chromium were found to grow in a homogeneous nucleation scheme. At the annealing temperature of 150 °C, the co-deposited films decompose into two phases, cobalt-rich and chromium-rich phases, showing good agreement with the reported phase diagram. In the decomposed film with 0.9 monolayer of cobalt and 0.2 monolayer of chromium, the second-layer islands are cobalt-rich phase.

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10.1016/S0039-6028(99)00949-8