Exchange effect on alloy formation of Co/Ag/Pt(111) ultrathin films

C. S. Shern*, Y. F. Wu, Y. E. Wu

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

The exchange between Co atoms and Ag atoms of Co/Ag/Pt(111) ultrathin films affects the formation of Co-Pt alloy. Ag atoms float to the top layers when the annealing temperature is high enough. With further annealing, the formation of the Co-Pt alloy is developed after the exchange between Ag and Co atoms is complete. The starting temperature of the exchange is independent of the coverage of Ag, but the temperature of the complete exchange depends on the thickness of Ag. The temperature is higher when the coverage of Ag increases. The mechanism of the exchange is discussed.

原文英語
頁(從 - 到)L779-L784
期刊Surface Science
439
發行號1-3
DOIs
出版狀態已發佈 - 1999 九月 20

ASJC Scopus subject areas

  • 凝聚態物理學
  • 表面和介面
  • 表面、塗料和薄膜
  • 材料化學

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