Surface structure of donor graphite intercalation compounds by scanning tunneling microscopy
- 15 May 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 39 (15) , 11135-11138
- https://doi.org/10.1103/physrevb.39.11135
Abstract
Scanning tunneling microscopy (STM) has been used to study the surface of Li as a stage-1 donor graphite intercalation compound from a submicrometer down to the atomic scale. Ordered superlattices commensurate as well as incommensurate with the graphite lattice have been observed. The measured STM corrugation at small bias voltage (<200 mV) has been found to be similar to graphite whereas at larger bias voltage a strong decrease of the corrugation was observed. This experimental result is compared with recent theoretical predictions.
Keywords
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