Observation of Surface Bound State and Two-Dimensional Energy Band by Electron Tunneling

D. C. Tsui
Phys. Rev. Lett. 24, 303 – Published 16 February 1970
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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.

  • Received 2 January 1970

DOI:https://doi.org/10.1103/PhysRevLett.24.303

©1970 American Physical Society

Authors & Affiliations

D. C. Tsui

  • Bell Telephone Laboratories, Murray Hill, New Jersey 07974

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Issue

Vol. 24, Iss. 7 — 16 February 1970

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