Gamalski, AD and Tersoff, J and Sharma, R and Ducati, C and Hofmann, S (2012) Metastable crystalline AuGe catalysts formed during isothermal germanium nanowire growth. Physical Review Letters, 108. ISSN 0031-9007Full text not available from this repository.
We observe the formation of metastable AuGe phases without quenching, during strictly isothermal nucleation and growth of Ge nanowires, using video-rate lattice-resolved environmental transmission electron microscopy. We explain the unexpected formation of these phases through a novel pathway involving changes in composition rather than temperature. The metastable catalyst has important implications for nanowire growth, and more broadly, the isothermal process provides both a new approach to growing and studying metastable phases, and a new perspective on their formation. © 2012 American Physical Society.
|Divisions:||Div B > Solid State Electronics and Nanoscale Science|
|Depositing User:||Cron Job|
|Date Deposited:||07 Mar 2014 11:23|
|Last Modified:||26 Jan 2015 03:13|