Experimental test of the planar tunneling model for ballistic electron emission spectroscopy

Ilan Shalish, V. Narayanamurti, Ian Appelbaum, Rahul Sheth, K. J. Russell

Research output: Contribution to journalArticlepeer-review

Abstract

Using planar theory of ballistic electron emission spectroscopy with the addition of scattering at the metal-semiconductor interface, we calculate an expected change in the ratio of the collector current (formula presented) to the tunnel current (formula presented) as (formula presented) is varied in the well-known system Au/GaAs(100). This alternative spectroscopy is performed experimentally and is shown to differ drastically from the theory, which nevertheless agrees well with standard voltage spectroscopy. From this discrepancy, we question the applicability of one-dimensional (1D) planar theory to an inherently 3D system.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume67
Issue number15
DOIs
StatePublished - 10 Apr 2003
Externally publishedYes

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