Localized states in 2D semiconductors doped with magnetic impurities in quantizing magnetic field

Details Localized states in 2D semiconductors doped with magnetic impurities in quantizing magnetic field Localized states in 2D semiconductors doped with magnetic impurities in quantizing magnetic field

2001-06-18

arxiv.org/abs/cond-mat/0106339v2

Physical Review B (2002), 65, 165313

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12 pages, 4 figures Submitted to Physical Review B This version is edited and updated in accordance with recent experimental d

Scientific paper

10.1103/PhysRevB.65.165313

A theory of magnetic impurities in a 2D electron gas quantized by a strong magnetic field is formulated in terms of Friedel-Anderson theory of resonance impurity scattering. It is shown that this scattering results in an appearance of bound Landau states with zero angular moment between the Landau subbands. The resonance scattering is spin selective, and it results in a strong spin polarization of Landau states, as well as in a noticeable magnetic field dependence of the $g$ factor and the crystal field splitting of the impurity $d$ levels.

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