Role of regular steps on the formation of missing-row reconstructions: Oxygen chemisorption on Ni(771)
- 1 April 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 66 (13) , 1725-1728
- https://doi.org/10.1103/physrevlett.66.1725
Abstract
Scanning tunneling microscopy and LEED reveal that on regularly stepped Ni(771) the oxygen-driven missing-row reconstruction of the (110) terraces proceeds in a very transparent manner: Substrate atoms can move to adjacent terraces without crossing steps, where they line up with remaining atom rows to form linear O-Ni chains. On the resulting double-width terraces perfect missing-row structures all over the surface are formed in contrast to flat Ni(110); to surmount the double-step barrier, elevated temperatures (≥250 °C) are required.This publication has 21 references indexed in Scilit:
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