Superlattice density of states in electric and magnetic fields

A density-of-states approach is used to describe the influence of external electric and magnetic fields applied perpendicular to the layers of a semiconductor superlattice. Effects of Wannier-Stark localization and interacting Stark ladders are investigated for null magnetic field. Special attention...

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Bibliographic Details
Published in:Semiconductor science and technology 1993-04, Vol.8 (4), p.513-517
Main Authors: Kuhn, O, Horing, N J M, Enderlein, R
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Exact sciences and technology
Physics
Surface and interface electron states
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Summary:A density-of-states approach is used to describe the influence of external electric and magnetic fields applied perpendicular to the layers of a semiconductor superlattice. Effects of Wannier-Stark localization and interacting Stark ladders are investigated for null magnetic field. Special attention is paid to extremely shallow multiple quantum well structures. Furthermore, it is shown that the density of states in high magnetic and electric fields reveals the interplay between electric and magnetic confinement effects.
ISSN:0268-1242
1361-6641
DOI:10.1088/0268-1242/8/4/006