Citation: Bai Lin ZHANG, Yu Fan HE, Er Kang WANG. Some Unusual Features of Highly Oriented Pyrolytic Graphiteobserved by Electrochemical Scanning Tunneling Microscopy[J]. Chinese Chemical Letters, ;1998, 9(5): 501-504. shu

Some Unusual Features of Highly Oriented Pyrolytic Graphiteobserved by Electrochemical Scanning Tunneling Microscopy

Laboratory of Electroanalytical Chemistry, National Analytical Research Center ofElectrochemistry and Spectroscopy, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 19 November 1997

Fund Project: This work was supported by the National Natural Science Foundation of China (No.29675025).

Highly oriented pyrolytic graphite (HOPG) is the substrate often used in scanning tunneling microscopy (STM). It is well known that STM images of the basal plane of HOPG show some unusual structural patterns. In this letter, we present in situ STM images of some unusual features on HOPG in solutions, including normal or abnormal chain-like features and hexagonal or oblique superperiodic structures. These features emerge both next to and apart from the step of HOPG.
- scanning tunneling microscopy,
- highly oriented pyrolytic graphite,
- surface structures
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