Nanoscale Structural Engineering via Phase Segregation: Au-Ge System
Cited 14 times inCited 15 times in
- Nanoscale Structural Engineering via Phase Segregation: Au-Ge System
- Chueh, Yu-Lun; Boswell, Cosima N; Yuan, Chun-Wei; Shin, Swanee J.; Takei, Kuniharu; Ho, Johnny C.; Ko, Hyunhyub; Fan, Zhiyong; Haller, E. E.; Chrzan, D. C.; Javey, Ali
- Nanoscale diffusion; Nanowires; Phase segregation; Supercooling
- Issue Date
- AMER CHEMICAL SOC
- NANO LETTERS, v.10, no.2, pp.393 - 397
- A tunable structural engineering of nanowires based on template-assisted alloying and phase segregation processes is demonstrated. The Au-Ge system, which has a low eutectic temperature and negligible solid solubility (< 10(-3) atom %)of Au in Ge at low temperatures, is utilized. Depending on the Au concentration of the initial nanowires, final structures ranging from nearly periodic nanodisk patterns to core/shell and fully alloyed nanowires are produced. The formation mechanisms are discussed in detail and characterized by in situ transmission electron microscopy and energy-dispersive spectrometry analyses. Electrical measurements illustrate the metallic and semiconducting characteristics of the fully alloyed and alternating Au/Ge nanodisk structures, respectively.
- ; Go to Link
- Appears in Collections:
- ECHE_Journal Papers
- Files in This Item:
can give you direct access to the published full text of this article. (UNISTARs only)
Show full item record
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.