Paper Title:
Self-Assembled Low-Resistivity NiSi Nanowire Arrays on Epitaxial Si0.7Ge0.3 on (001)Si
  Abstract

Self-assembled low-resistivity NiSi nanowire arrays have been grown on relaxed epitaxial Si0.7Ge0.3 on (001)Si. The formation of the one-dimensional ordered structure is attributed to the nucleation of NiSi nanodots on the surface undulations induced by step bunching on the surface of SiGe film owing to the miscut of the wafers from normal to the (001)Si direction. Furthermore, the nanodots were connected along individual arrays and turned into nanowires with increasing amount of Ni and a-Si. Since the periodicity of surface bunching can be tuned with appropriate vicinality and misfit, the undulated templates promise to facilitate the growth of ordered, catalyst-free NiSi nanowires with selected periodicity and size for utilization in high-speed Si-Ge nanodevices.

  Info
Periodical
Edited by
P. VINCENZINI and G. MARLETTA
Pages
42-47
DOI
10.4028/www.scientific.net/AST.51.42
Citation
W. W. Wu, L. J. Chen, "Self-Assembled Low-Resistivity NiSi Nanowire Arrays on Epitaxial Si0.7Ge0.3 on (001)Si", Advances in Science and Technology, Vol. 51, pp. 42-47, 2006
Online since
October 2006
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