NMR analysis of La plus Co doped M-type ferrites

被引：51

作者：

Pieper, MW

Morel, A

Kools, F

机构：

[1] Vienna Tech Univ, Inst Expt Phys, A-1040 Vienna, Austria

[2] Ferroxdure Carbone Lorraine, Erreux, France

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2002年 / 242卷

关键词：

anisotropy-ferrites; ferrites-hexagonal; magnetic defects; NMR spin-echo;

D O I：

10.1016/S0304-8853(01)00963-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigated Sr1-xLaxFe12-xCoxO19-powders, (an improved variant of the popular hard magnetic M-type hexaferrites SrFe(1)2O(1)9) with nuclear magnetic resonance at low temperature, and in magnetic fields of up to 3T. Three satellite lines were observed in the zero-field powder spectra of Fe-57. We assign the satellites to Fe-sites with a f1- and f2-Co neighbors, respectively, and discuss the implications for the total magnetization. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：1408 / 1410

页数：3

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