期刊
REVIEWS OF MODERN PHYSICS
卷 82, 期 1, 页码 427-449出版社
AMER PHYSICAL SOC
DOI: 10.1103/RevModPhys.82.427
关键词
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资金
- Ministerio de Ciencia e Innovacion [TEC2006-13731-C02-01, TEC2009-06986, FIS2009-12721-C04-03]
- CECAM
- ESF
- Psi-k
- COST-MOLSIMU
In this Colloquium the theory of silicon nanowires is reviewed. Nanowires with diameters below 10 nm are the focus, where quantum effects become important and the properties diverge significantly from those of bulk silicon. These wires can be treated within electronic structure simulation methods and will be among the most important functional blocks of future nanoelectronic devices. First, the structural properties of silicon nanowires are reviewed, emphasizing the close connection between the growth orientation, the cross section, and the bounding facets. Second, the electronic structure of pristine and doped nanowires is discussed, which holds the ultimate key for their applicability in novel electronic devices. Finally, transport properties are reviewed where some important limitations in the performances of nanowire-based devices can lay. Many unique properties of these systems are at the same time defying challenges and opportunities for technological advances.
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