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Heterostructure interface characterization using scanning tunneling microscope excited time-resolved luminescence

Horn, J. ; Vogt, A. ; Aller, I. ; Hartnagel, H. L. ; Stehle, M. (1996)
Heterostructure interface characterization using scanning tunneling microscope excited time-resolved luminescence.
In: Journal of Vacuum Science and Technology B, 14 (2)
doi: 10.1116/1.588721
Article, Bibliographie

Abstract

We present time‐resolved luminescence measurements from n+n−n+‐GaAs homostructures and from an AlGaAs/GaAs heterostructure using a scanning tunneling microscope for excitation. From the transient decay of the luminescence intensity, the minority carrier lifetime in the semiconductor can be determined. The longest lifetime measured is 200 ns for a GaAs homostructure. We also demonstrate that the presented technique can be used for the study of recombination at heterointerfaces.

Item Type: Article
Erschienen: 1996
Creators: Horn, J. ; Vogt, A. ; Aller, I. ; Hartnagel, H. L. ; Stehle, M.
Type of entry: Bibliographie
Title: Heterostructure interface characterization using scanning tunneling microscope excited time-resolved luminescence
Language: German
Date: 1 March 1996
Publisher: AIP Publishing
Journal or Publication Title: Journal of Vacuum Science and Technology B
Volume of the journal: 14
Issue Number: 2
DOI: 10.1116/1.588721
Abstract:

We present time‐resolved luminescence measurements from n+n−n+‐GaAs homostructures and from an AlGaAs/GaAs heterostructure using a scanning tunneling microscope for excitation. From the transient decay of the luminescence intensity, the minority carrier lifetime in the semiconductor can be determined. The longest lifetime measured is 200 ns for a GaAs homostructure. We also demonstrate that the presented technique can be used for the study of recombination at heterointerfaces.

Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Microwave Electronics
Date Deposited: 19 Nov 2008 16:04
Last Modified: 13 Jun 2023 08:04
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