Spin waves of the spin-polarized electron gas in semimagnetic quantum wells

F Perez, B Jusserand, D Richards, G Karczewski

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10 Citations (Scopus)

Abstract

Spin flip waves and spin density fluctuations of a two-dimensional spin-polarized electron-gas in a semi-magnetic Cd1-0.008Mn0.008Te quantum well are observed by Resonant Raman Scattering. Application of a magnetic field splits the spin subbands and a static spin polarization is induced. Wavevector and field experimental dispersions are very well reproduced by Local Spin Density Approximation calculations including recent Quantum Monte Carlo evaluation of coulomb correlations corrections. We show how to extract the spin polarization degree. A maximum value of 35% is deduced from measurements. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Original languageEnglish
Pages (from-to)873 - 877
Number of pages5
JournalPHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume243
Issue number4
DOIs
Publication statusPublished - Mar 2006

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