Observation of Surface Bound State and Two-Dimensional Energy Band by Electron Tunneling
- 16 February 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 24 (7), 303-306
- https://doi.org/10.1103/physrevlett.24.303
Abstract
Using electron tunneling, we have made direct observation of a surface bound state of electrons localized in a narrow accumulation layer at the InAs-oxide interface. The Landau-level structure of the two-dimensional energy band, associated with the bound state, has been studied in a magnetic field up to 85 kG.Keywords
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