Observation of Standing Waves at Steps on the GaN(0001) Pseudo (1x1) Surface by Scanning Tunneling Spectroscopy at Room Temperature

2:30 PM–5:06 PM, Monday, March 13, 2006
Baltimore Convention Center Room: 349

Sponsoring Unit: DMP
Chair: Robert Nemanich, North Carolina State University

Abstract ID: BAPS.2006.MAR.D46.2

Abstract: D46.00002 : Observation of Standing Waves at Steps on the GaN(0001) Pseudo (1x1) Surface by Scanning Tunneling Spectroscopy at Room Temperature

3:06 PM–3:18 PM

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Authors:

Mike Harland
Lian Li
(University of Wisconsin, Milwaukee)

Standing waves formed at steps of the GaN(0001) pseudo (1x1) surface are observed with scanning tunneling spectroscopy (STS) at room temperature. The oscillatory behavior of the \textit{dI}/\textit{dV} calculated for free electrons scattered by atomic steps agrees well with that measured by STS, and thus establishes that the surface state of the GaN(0001) pseudo (1x1) has a nearly free-electron like energy dispersion.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2006.MAR.D46.2

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Bulletin of the American Physical Society

2006 APS March Meeting

Monday–Friday, March 13–17, 2006; Baltimore, MD

Session D46: Focus Session: Wide Band Gap Semiconductors III

Abstract: D46.00002 : Observation of Standing Waves at Steps on the GaN(0001) Pseudo (1x1) Surface by Scanning Tunneling Spectroscopy at Room Temperature

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