Catalyst Stimulates Self-Doping In Silicon Nanowires | Chemical & Engineering News
 
 
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Volume 91 Issue 14 | p. 37 | Concentrates
Issue Date: April 8, 2013

Catalyst Stimulates Self-Doping In Silicon Nanowires

Aluminum mediates silicon nanowire growth and becomes absorbed in the growing structure in the process
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: silicon nanowires, doping, aluminum, atom-probe tomography

Doping semiconductors such as silicon with select impurity atoms is a common method for customizing the material’s electronic properties for various applications. Yet atomic-level control and understanding of doping processes remain elusive. Some of those details have now been revealed by a study that pinpointed the three-dimensional position and elemental identity of the atoms in doped silicon nanowires (Nature, DOI: 10.1038/nature11999). Such nanowires are already used . . .

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