Evidence of diffusion characteristics of field emission electrons in nanostructuring process on graphite surface
- Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, People`s Republic of (China)
- Department of Materials Physics, University of Science and Technology, Beijing 100083, People`s Republic of (China)
The characteristics of the nanostructure on the surface of highly oriented pyrolytic graphite (HOPG) involving field emitted electrons is examined with scanning tunneling microscopy (STM). A simple model based on the continuum electron diffusion is proposed and is compared with the experimental results. It suggests that the process could be associated with the diffusion of electrons at the vicinity of the injection position. It also implies that the characteristics of the as-produced nanometer sized craters could be correlated to the anisotropy degree of the transport properties of HOPG. {copyright} {ital 1996 American Institute of Physics.}
- OSTI ID:
- 285844
- Journal Information:
- Applied Physics Letters, Vol. 69, Issue 3; Other Information: PBD: Jul 1996
- Country of Publication:
- United States
- Language:
- English
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