The geometry of Bi nanolines on Si(0 0 1)
Miwa, R.H., MacLeod, J.M., Srivastava, G.P., & McLean, A.B. (2005) The geometry of Bi nanolines on Si(0 0 1). Applied Surface Science, 244(1-4), pp. 157-160.
A study of the Bi nanoline geometry on Si(0 0 1) has been performed using a combination of ab initio theoretical technique and scanning tunnelling microscopy (STM). Our calculations demonstrate decisively that the recently proposed Haiku geometry is a lower energy configuration than any of the previously proposed line geometries. Furthermore, we have made comparisons between STM constant-current topographs of the lines and Tersoff–Haman STM simulations. Although the Haiku and the Miki geometries both reproduce the main features of the constant-current topographs, the simulated STM images of the Miki geometry have a dark stripe between the dimer rows that does not correspond well with experiment.
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|Item Type:||Journal Article|
|Keywords:||Silicon surface; Ab initio calculations; Nanolines; Scanning tunnelling microscopy; Semiconductor hetero-epitaxy|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2004 Elsevier B.V.|
|Deposited On:||07 Apr 2016 01:32|
|Last Modified:||07 Apr 2016 01:32|
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