Schnadt, J;
Michaelides, A;
Knudsen, J;
Vang, RT;
Reuter, K;
Laegsgaard, E;
Scheffler, M;
(2006)
Revisiting the structure of the p(4x4) surface oxide on Ag(111).
PHYS REV LETT
, 96
(14)
, Article 146101. 10.1103/PhysRevLett.96.146101.
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Abstract
Scanning tunneling microscopy (STM) and density-functional theory are used to reexamine the structure of the renowned p(4x4)-O/Ag(111) surface oxide. The accepted structural model [C. I. Carlisle , Phys. Rev. Lett. 84, 3899 (2000)] is incompatible with the enhanced resolution of the current STM measurements. An "Ag-6 model" is proposed that is more stable than its predecessor and accounts for the coexistence of the p(4x4) and a novel c(3x5 root 3)rect phase. This coexistence is an indication of the dynamic complexity of the system that until now has not been appreciated.
| Type: | Article |
|---|---|
| Title: | Revisiting the structure of the p(4x4) surface oxide on Ag(111) |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.96.146101 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.96.146101 |
| Language: | English |
| Additional information: | © 2006 The American Physical Society |
| Keywords: | OXYGEN, CHEMISORPTION, MICROSCOPE, TRANSITION, ADSORPTION, INSIGHTS, FILM |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/9326 |
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