Two kinds of spin precession modes in diluted magnetic semiconductors

2008/01/30 by M. Vladimirova, S. Cronenberger, Vladimirova, M. +11
Engineering · Materials Science · Physics and Astronomy · #FOS: Physical sciences #Magnetic Field Sensors Techniques #Magnetic Properties and Applications #Magnetic properties of thin films #Other Condensed Matter (cond-mat.other) #cond-mat.other

paper · pdf · doi:10.48550/arxiv.0801.4756

arxiv created 2008/01/30 · openalex publication_date 2008/01/30 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Time-resolved Kerr rotation experiments show that two kinds of spin modes exist in diluted magnetic semiconductors: (i) coupled electron-magnetic ion spin excitations and (ii) excitations of magnetic ion spin subsystem, which are decoupled from electron spins. The latter modes exhibit much longer spin coherence time and require a description, which goes beyond the mean field approximation.

Related

• Coherent spin dynamics in diluted-magnetic quantum wells
• Long-lived spin coherence states in semiconductor heterostructures
• Electron spin polarization induced by spin Hall effect in semiconductors with a linear in the momentum spin-orbit splitting of conduction band
• Robustness of spin coherence of the exciton bound to neutral donor states in multilayer system
• Spin relaxation near a ferromagnetic transition