Magnetotunneling in resonant tunneling structures with spin - orbit interaction

Goran Isić, Dragan Indjin, Vitomir Milanovi, Jelena Radovanović, Zoran Ikonić, Paul Harrison

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1 Citation (Scopus)


Magnetotunneling spectroscopy of resonant tunneling structures provides information on the nature of the two-dimensional electron gas in the well. We describe a model based on nonequilibrium Green's functions that allows for a comprehensive study of the density of states, tunneling currents and current spin polarization. The investigated effects include the electron - phonon interaction, interface roughness scattering, Zeeman effect and the Rashba spin - orbit interaction. A qualitative agreement with experimental data is found regarding the satellite peaks. The spin polarization is predicted to be >10% for magnetic fields above 2 T and having a structure even at the satellite peaks. The Rashba effect is confirmed to be observable as a beating pattern in the density of states but found to be too small to affect the tunneling current.

Original languageEnglish
Article number064507
JournalJournal of Applied Physics
Issue number6
Publication statusPublished - 15 Sep 2011
Externally publishedYes


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