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Title: Growth of well-aligned Bi nanowire on Ag(1 1 1)
Authors: Zhang, H.L. 
Chen, W. 
Wang, X.S. 
Yuhara, J.
Wee, A.T.S. 
Keywords: Bismuth
Scanning tunneling microscopy
Issue Date: 30-Oct-2009
Citation: Zhang, H.L., Chen, W., Wang, X.S., Yuhara, J., Wee, A.T.S. (2009-10-30). Growth of well-aligned Bi nanowire on Ag(1 1 1). Applied Surface Science 256 (2) : 460-464. ScholarBank@NUS Repository.
Abstract: We report the fabrication of one-dimensional (1D) Bi nanowires grown on Ag(1 1 1) with average lateral width from 9 to 20 nm by physical vapor deposition in ultra high vacuum conditions. In situ low-temperature scanning tunneling microscopy analyses reveal that the preferred growth of 1D Bi nanostructures is driven by the highly anisotropic bonding in the crystallographic structure of the Bi(1 1 0) plane. The Bi nanowires grow along Bi [ 1 over(1, ̄) 0 ] direction and align with the [ 1 over(1, ̄) 0 ] directions on Ag(1 1 1). The growth of the Bi nanowires proceeds in a bilayer growth mode resulting from the layer pairing in Bi(1 1 0) which saturates the dangling bonds and lowers the total energy. © 2009 Elsevier B.V. All rights reserved.
Source Title: Applied Surface Science
ISSN: 01694332
DOI: 10.1016/j.apsusc.2009.07.016
Appears in Collections:Staff Publications

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