A new understanding of au-assisted growth of III-V semiconductor nanowires
Author
Summary, in English
Semiconductor nanowires of III-V materials have generated much interest in recent years. However, the growth mechanisms by which these structures form are not well understood. The so-called vapor-liquid-solid (VLS) mechanism has often been proposed for III-V systems, with a chemically inert, liquid metal particle (typically Au) acting as a physical catalyst. We assert here that An is, in fact, not inert with respect to the semiconductor material but rather interacts with it to form a variety of intermetallic compounds. Moreover, we suggest that III-V nanowire growth can best be understood if the metallic particle is not a liquid, but a solid-phase solution or compound containing An and the group III material. The four materials GaP, GaAs, InP, and InAs will be considered, and growth behavior related to their particular temperature-dependent interaction with Au.
Publishing year
2005
Language
English
Pages
1603-1610
Publication/Series
Advanced Functional Materials
Volume
15
Issue
10
Document type
Journal article
Publisher
Wiley-Blackwell
Topic
- Condensed Matter Physics
Status
Published
ISBN/ISSN/Other
- ISSN: 1616-3028