From ferromagnetic to antiferromagnetic interactions in $n$-type ${\mathrm{Zn}}_{1\ensuremath{-}x}{\mathrm{Mn}}_{x}\mathrm{O}$: An electron paramagnetic resonance study

From ferromagnetic to antiferromagnetic interactions in $n$ -type ${Zn}_{1 - x} {Mn}_{x} O$ : An electron paramagnetic resonance study

A. Ben Mahmoud, H. J. von Bardeleben, J. L. Cantin, A. Mauger, E. Chikoidze, and Y. Dumont

Phys. Rev. B 74, 115203 – Published 12 September 2006

Abstract

Contradictory results concerning the formation of a ferromagnetic state in Mn doped ZnO layers have been reported in the last years. We present the results of an electron paramagnetic resonance study on homogeneous single phase $n$ -type conductive ${Zn}_{1 - x} {Mn}_{x} O$ $(x < 0.07)$ thin films. Based on the observation of the existence of a narrow Mn composition range, $x < 0.05$ , where a ferromagnetic interaction is dominant, whereas for larger $x$ nearest neighbor antiferromagnetic interactions dominate, we propose a magnetic polaron model for the ferromagnetic Mn-Mn interaction in $n$ -type films.

Received 24 June 2006

DOI:https://doi.org/10.1103/PhysRevB.74.115203

Authors & Affiliations

A. Ben Mahmoud

Institut des NanoSciences de Paris, Universités Paris 6 et 7, UMR 7588 au CNRS (France), 140 rue de Lourmel, 75015 Paris, France and Laboratoire Physique des Matériaux et des Nanomatériaux appliquée à l’Environnement, Faculté des Sciences, Cité Erriadh, 6079 Gabès, Tunisia

H. J. von Bardeleben and J. L. Cantin

Institut des NanoSciences de Paris, Universités Paris 6 et 7, UMR 7588 au CNRS (France), 140 rue de Lourmel, 75015 Paris, France

A. Mauger

Département Mathématiques, Informatique, Physique, Planète et Univers, CNRS, Campus Boucicaut, 140 rue de Lourmel, 75015 Paris, France

E. Chikoidze and Y. Dumont

Laboratoire de Physique des Solides et de Cristallogenèse, CNRS-Université de Versailles St-Quentin en Yvelines, 1 place Aristide Briand, 92195 Meudon, France

^*Corresponding author: jurgen.vonBardeleben@insp.jussieu.fr

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Vol. 74, Iss. 11 — 15 September 2006

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Physical Review B

covering condensed matter and materials physics

From ferromagnetic to antiferromagnetic interactions in $n$ -type ${Zn}_{1 - x} {Mn}_{x} O$ : An electron paramagnetic resonance study

A. Ben Mahmoud, H. J. von Bardeleben, J. L. Cantin, A. Mauger, E. Chikoidze, and Y. Dumont

Phys. Rev. B 74, 115203 – Published 12 September 2006

Abstract

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Physical Review B

covering condensed matter and materials physics

From ferromagnetic to antiferromagnetic interactions in n-type Zn1−xMnxO: An electron paramagnetic resonance study

A. Ben Mahmoud, H. J. von Bardeleben, J. L. Cantin, A. Mauger, E. Chikoidze, and Y. Dumont

Phys. Rev. B 74, 115203 – Published 12 September 2006

Abstract

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From ferromagnetic to antiferromagnetic interactions in $n$ -type ${Zn}_{1 - x} {Mn}_{x} O$ : An electron paramagnetic resonance study