Inversion asymmetry effects in modulation-doped Cd1-xMnxTe quantum wells

Caitlin Rice, D Wolverson, A Moskalenko, S J Bending, Gregorsz Karczewski, Tomek Wojtowicz

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Abstract

We report a striking in-plane anisotropy of the spin-flip Raman signals observed for dilute magnetic Cd1-xMnxTe quantum wells containing a two-dimensional electron gas. The effect depends upon electron concentration, which can be varied within a single sample via secondary above-barrier illumination. The experimental results are described in a simple, single-electron picture by a model of the conduction band Hamiltonian that includes contributions from Dresselhaus, Rashba, and Zeeman terms.
Original languageEnglish
Article number121304(R)
JournalPhysical Review B
Volume87
Issue number12
DOIs
Publication statusPublished - 25 Mar 2013

Keywords

  • SPIN-ORBIT INTERACTIONS; CONDUCTION SUBBANDS; MAGNETIC-FIELD; ELECTRON-GAS; HETEROSTRUCTURES; PRECESSION; ANISOTROPY; RASHBA; LAYERS; BAND

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