pubs.acs.org/NanoLett
Nanoscale Structural Engineering via Phase Segregation: Au-Ge System Yu-Lun Chueh,†,§,|,⊥ Cosima N. Boswell,‡,§ Chun-Wei Yuan,‡,§ Swanee J. Shin,‡,§ Kuniharu Takei,†,§,| Johnny C. Ho,†,§,| Hyunhyub Ko,†,§,| Zhiyong Fan,†,§,| E. E. Haller,‡,§ D. C. Chrzan,‡,§ and Ali Javey†,§,|,* †
Department of Electrical Engineering and Computer Sciences, University of California at Berkeley, Berkeley, California 94720, ‡ Department of Materials Science and Engineering, University of California at Berkeley, Berkeley, California 94720, § Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, and | Berkeley Sensor and Actuator Center, University of California at Berkeley, Berkeley, California 94720 ABSTRACT 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 (
