Structure and magnetic properties of layered (FexCo1-x)Ta2O6 compounds

被引:11
作者
Mello, VD [1 ]
Zawislak, LI [1 ]
da Cunha, JBM [1 ]
Kinast, EJ [1 ]
Soares, JB [1 ]
dos Santos, CA [1 ]
机构
[1] UFRGS, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil
关键词
antiferromagnet; Rietveld refinement; Mossbauer spectroscopy;
D O I
10.1016/S0304-8853(98)00969-X
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Samples of (FexCo1-x)Ta2O6 were prepared from pure FeTa2O6 and CoTa2O6. From X-ray diffraction (XRD) measurements followed by Rietveld refinement, it is demonstrated that the solid solution obeys the Vegard's law. Mossbauer spectroscopy (MS) measurements at 4.2 and 300 K show that for x greater than or equal to 0.8 the Fe --> Co substitution has no apparent effect on the hyperfine parameters. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:846 / 847
页数:2
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