No ferromagnetism in Mn doped ZnO semiconductors

被引：96

作者：

Alaria, J

Turek, P

Bernard, M

Bouloudenine, M

Berbadj, A

Brihi, N

Schmerber, G

Colis, S

Dinia, A

机构：

[1] CNRS, UMR 7504, IPCMS, ULP,Inst Phys & Chim Mat,Grp Mat Inorgan, F-67034 Strasbourg, France

[2] CNRS, ICS, UPR 22, F-67084 Strasbourg, France

[3] Jijel Univ, Fac Sci, LEM, Jijel 18000, Algeria

来源：

CHEMICAL PHYSICS LETTERS | 2005年 / 415卷 / 4-6期

关键词：

D O I：

10.1016/j.cplett.2005.09.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Polycrystalline Zn1-xMnxO was synthesized by co-precipitation method with x varying between 0.01 and 0.10. Although X-ray diffraction patterns show a typical wurtzite structure with no additional peaks for all samples, Raman spectroscopy indicates the appearance of an additional mode in correlation with the absorption edge shift observed by UV-Vis spectroscopy and which is an indicator for incorporation of Mn ions into the ZnO matrix. The magnetic properties have been studied by both EPR spectroscopy and SQUID magnetometry. Their temperature dependence follows a Curie law indicating a typical paramagnetic behavior for x <= 0.05 and no indication of ferromagnetism nor antiferromagnetism. (c) 2005 Elsevier B.V. All rights reserved.

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页码：337 / 341

页数：5

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