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Min, Seung Kyu
Theoretical/Computational Chemistry Group for Excited State Phenomena
Research Interests
  • Excited state dynamics, photosynthesis, solarcell, light-driven molecular machine

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Magic structures and quantum conductance of [110] silver nanowires

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Title
Magic structures and quantum conductance of [110] silver nanowires
Author
Cheng, DayongKim, Woo YounMin, Seung KyuNautiyal, TashiKim, Kwang S.
Keywords
G values; Theoretical analysis; Thin wires; Thinning process
Issue Date
2006-03
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.96, no.9, pp.096104 -
Abstract
We investigate the pathway of thinning process for transient [110] nanowires (NWs) of Ag. The result is in good agreement with experimental observations. An unambiguous identification of the structure of a NW requires at least two views along different directions. In the cases where two views of different NW structures are practically the same for very thin NWs which pose experimental difficulty due to small signal-to-noise ratio, our theoretical analysis helps distinguish these structures. On the basis of conductance (G) calculations vis-a-vis the structure of transient NWs, the puzzling experimental observation of fractionally quantized G values is explained by considering the existence of mixed structures for thin wires.
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DOI
10.1103/PhysRevLett.96.096104
ISSN
0031-9007
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PHY_Journal Papers
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