Synthesis, structural and magnetic studies of the CuCr1-xCoxO2 delafossite oxide

被引：26

作者：

Elkhouni, T. ^{[1
]}

Amami, M. ^{[1
,4
]}

Colin, C. V. ^{[2
,3
]}

Strobel, P. ^{[2
,3
]}

Ben Salah, A. ^{[1
]}

机构：

[1] Fac Sci Sfax, Lab Sci Mat & Environm, Sfax 3038, Tunisia

[2] CNRS, Inst Neel, F-38042 Grenoble 9, France

[3] Univ Grenoble 1, F-38042 Grenoble 9, France

[4] Univ Tunis ElManar, ISSBAT, Unite Rech Chim Mat, Tunis 1006, Tunisia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2013年 / 330卷

关键词：

p-Type transparent semiconductor; Delafossite; Raman Spectroscopy; Magnetic property; ROOM-TEMPERATURE FERROMAGNETISM; MATERIALS DESIGN; SEMICONDUCTORS;

D O I：

10.1016/j.jmmm.2012.10.037

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We modulate the spin chirality and the magnetization in CuCrO2, by doping at Cr3+ sites with magnetic ions of slightly different size. Structure and magnetic properties of delafossite oxide CuCr1-xCoxO2 (0 <= x <= 0.06) have been investigated. With the substitution of magnetic Co3+ for Cr3+ (S=3/2), the antiferromagnetic (AF) transition becomes broader and the transition temperature increases. However, at low temperature, the magnetic data for CuCr1-xCoxO2 shows evidence for weak ferromagnetism. Comparing the substitution effect of Co3+ to those of other magnetic metal transition, magnetization around the AF transition does not seem to correlate with randomness and lattice parameter. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：101 / 105

页数：5

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