Magnetic control of electric-field domains in semiconductor superlattices

authored by: T. Schmidt, A. G.M. Jansen, R. J. Haug, K. v. Klitzing, K. Eberl
Abstract: Applying magnetic fields up to B = 29 T, we investigate the formation of electric-field domains in Landau-quantized semiconductor superlattices. Surprisingly, the electric-field distribution remains determined by the subband spacing rather than by the cyclotron energy. At the domain boundary, however, strong inter-Landau-level tunneling occurs, which leads to a magnetically tunable number of extra resonances in the current-voltage curve. In addition, we discuss a novel magnetic-field assisted high-field domain also stabilized by inter-Landau-level tunneling.
Organisation(s): Institute of Solid State Physics
External Organisation(s): Max Planck Institute for Solid State Research (MPI-FKF)
IBM Thomas J. Watson Research Center
Type: Article
Journal: Physical review letters
Volume: 81
Pages: 3928-3931
No. of pages: 4
ISSN: 0031-9007
Publication date: 02.11.1998
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: General Physics and Astronomy
Electronic version(s): https://doi.org/10.1103/PhysRevLett.81.3928 (Access: Unknown)