Exchange interactions between magnetic ions and free carriers in ZnMnO: An electron paramagnetic resonance analysis - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Applied Physics Année : 2007

Exchange interactions between magnetic ions and free carriers in ZnMnO: An electron paramagnetic resonance analysis

Résumé

The magnetic interactions in n-type conductive Zn0.66Mn0.34O thin films with carrier concentrations of 2x10(18) cm(-3) have been investigated by X-band electron paramagnetic resonance (EPR) technique. We observe exclusively a single exchange narrowed Mn related EPR spectrum characterized by antiferromagnetic exchange interactions. The presence of free carriers modifies the EPR spectra by shifting the resonance fields to lower values. The shift can be modeled by the carrier polarization induced local magnetic field. (c) 2007 American Institute of Physics.
Fichier non déposé

Dates et versions

hal-01290160 , version 1 (17-03-2016)

Identifiants

Citer

A. Ben Mahmoud, Jurgen von Bardeleben, Jean-Louis Cantin, E. Chikoidze, Y. Dumont, et al.. Exchange interactions between magnetic ions and free carriers in ZnMnO: An electron paramagnetic resonance analysis. Journal of Applied Physics, 2007, 101 (9), pp.09H102. ⟨10.1063/1.2709755⟩. ⟨hal-01290160⟩
51 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More