Dynamics of Spin Organization in Diluted Magnetic Semiconductors

T. Dietl; P. Peyla; W. Grieshaber; Y. Merle d'Aubigné

doi:10.1103/PhysRevLett.74.474

Dynamics of Spin Organization in Diluted Magnetic Semiconductors

T. Dietl, P. Peyla, W. Grieshaber, and Y. Merle d'Aubigné

Phys. Rev. Lett. 74, 474 – Published 16 January 1995

Abstract

It is shown that spin-spin interactions rather than spin-lattice coupling control the dynamics of the magnetization formation visible in time-resolved luminescence and SQUID magnetometry of bulk and layered diluted magnetic semiconductors. A numerical solution of a nonlinear Schrödinger equation is applied to find the relation between formation time of the exciton magnetic polaron and relaxation time of the spin subsystem.

Received 2 May 1994

DOI:https://doi.org/10.1103/PhysRevLett.74.474

Authors & Affiliations

T. Dietl^1,2, P. Peyla², W. Grieshaber², and Y. Merle d'Aubigné²

¹Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, PL-02668 Warszawa, Poland
²Laboratoire de Spectrométrie Physique, URA 08 du CNRS, Université Joseph Fourier Grenoble I, B.P. 87, F-38402 Saint Martin d'Hères, France