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Size-Dependent Surface Migration of Au Alloys on Si Nanowires at Different Cooling Rates
- Authors
- Park, Yi-Seul; Kim, Hyun Ji; Lee, Jin Seok
- Issue Date
- Dec-2016
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Au alloys; Au-Si eutectic; cooling rates; nanowires; surface migration; vertically aligned Si nanowires
- Citation
- CHEMISTRY-AN ASIAN JOURNAL, v.11, no.24, pp 3487 - 3492
- Pages
- 6
- Journal Title
- CHEMISTRY-AN ASIAN JOURNAL
- Volume
- 11
- Number
- 24
- Start Page
- 3487
- End Page
- 3492
- ISSN
- 1861-4728
1861-471X
- Abstract
- Understanding metal alloy migration in metal-catalyzed nanowires growth is a prerequisite for improving its potential applications in the field of nanodevices. Here, we explored the surface migration of Au alloys in vertically aligned Si nanowires with different cooling rates. We varied the diameter of Au alloys by controlling the thickness of Au film as a catalyst for SiNW growth, and found that the behavior of Au alloys migration is dependent on size of Au alloys. In addition, the size-dependent migration mechanism of Au alloys was investigated at different cooling rates, which is related to different Au-Si eutectics.
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