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| Title | Anomalous bismuth-stabilized (2x1) reconstructions on GaAs(100) and InP(100) surfaces |
| Author/s | P Laukkanen, M P J Punkkinen, H-P Komsa, M Ahola-Tuomi, K Kokko, M Kuzmin, Johan Adell, Janusz Sadowski, R E Perala, M Ropo, T T Rantala, I J Vayrynen, M Pessa, L Vitos, J Kollar, S Mirbt, B Johansson |
| Department/s |
Max-laboratory
|
| Full-text | Full text is not available in this archive |
| Alternative location (URL) | http://dx.doi.org/10.1103/Phys... Restricted Access (Alternative Location) |
| Publication/Series | Physical Review Letters |
| Publishing year | 2008 |
| Volume | 100 |
| Issue | 8 |
| Pages | 086101 - |
| Document type | Journal article |
| Status | published |
| Quality controlled | yes |
| Language | English |
| Publisher | American Physical Society |
| Abstract English | First-principles phase diagrams of bismuth-stabilized GaAs- and InP(100) surfaces demonstrate for the first time the presence of anomalous (2 x 1) reconstructions, which disobey the common electron counting principle. Combining these theoretical results with our scanning-tunneling-microscopy and photoemission measurements, we identify novel (2 x 1) surface structures, which are composed of symmetric Bi-Bi and asymmetric mixed Bi-As and Bi-P dimers, and find that they are stabilized by stress relief and pseudogap formation. |
| Subject |
Physics and Astronomy |
| ISBN/ISSN/Other |
ISSN: 0031-9007 |
