| Issue |
J. Phys. IV France
Volume 04, Number C9, Novembre 1994
Proceedings of the European Symposium on Frontiers in Science and Technology with Synchrotron Radiation
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| Page(s) | C9-97 - C9-103 | |
| DOI | https://doi.org/10.1051/jp4:1994912 | |
Proceedings of the European Symposium on Frontiers in Science and Technology with Synchrotron Radiation
J. Phys. IV France 04 (1994) C9-97-C9-103
DOI: 10.1051/jp4:1994912
1 II. Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
2 clo HASYLAB, DESY, Notkestr. 85, Postfach, 22603 Hamburg, Germany
© EDP Sciences 1994
J. Phys. IV France 04 (1994) C9-97-C9-103
DOI: 10.1051/jp4:1994912
Surface structures of Pb on Ge(001) observed by scanning tunneling microscopy
L. Seehofer1, G. Falkenberg1, R. Rettig1 and R.L. Johnson21 II. Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
2 clo HASYLAB, DESY, Notkestr. 85, Postfach, 22603 Hamburg, Germany
Abstract
The different structures of Pb on Ge(001) have been studied as a function of Pbcoverage and annealing temperature. At low coverages a new (2 x 2) reconstruction was found which is similar to that of several other group-III and group-IV adsorbate structures on Si(001). A structural model for the c(4 x 8) phase is presented, which explains the appearance of the c(4 x 8) c(2 x 4) domain boundaries. Evidence for the existence of a (1 x 1) layer in the (5 x 1) reconstruction and of dimer rows in the (2103) reconstruction is given. The incommensurate (4 x l)i phase is shown to consist of distorted c(4 x 8) unit cells.
© EDP Sciences 1994