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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Goryl, Grzegorz Kolodziej, Jacek J. Kantorovich, Lev Toton, Dawid Godlewski, Szymon Szymonski, Marek He, Jiangping |
| Description | Country affiliation: United kingdom Author Affiliation: Toton D ( Department of Physics, King's College London, The Strand, London WC2R 2LS, UK.) |
| Abstract | The InSb(001) surface has been studied experimentally, using room temperature scanning tunnelling microscopy (RT STM), and theoretically, using ab initio density functional theory (DFT) calculations. RT experimental STM images show bright lines running along the bulk crystal [110] direction. Resolved features between the bright lines whose appearance depends on the applied bias voltage confirm clearly the c(8×2) reconstruction of this surface. Our calculations, which are reported for this surface for the first time, include the reconstructed 4×2 and c(8×2) surfaces, the latter according to the so-called ζ-model proposed previously by Lee et al and Kumpf et al. A 'defective' structure proposed previously by Kumpf et al, which contains an extra In atom within a top bilayer is also considered. In all cases, we obtained stable structures. Calculated STM images for the c(8×2) reconstruction obtained using the Tersoff-Hamann approximation compare extremely well with the experimental ones. We also find that the defect structure may not be clearly visible in the STM images. Finally, a brief discussion is given on the other, although closely related, phase of the same surface observed previously in low temperature (LT) experimental STM images (Goryl et al 2007 Surf. Sci. 601 3605). |
| ISSN | 09538984 |
| e-ISSN | 1361648X |
| Journal | Journal of Physics: Condensed Matter |
| Issue Number | 26 |
| Volume Number | 22 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2010-07-07 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Antimony Chemistry Indium Models, Chemical Crystallization Microscopy, Scanning Tunneling Surface Properties Temperature Research Support, Non-u.s. Gov't Discipline Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Materials Science |
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