Nanocrystalline structure of the metastable ball-milled inverse spinel-ferrites

被引：27

作者：

Sepelak, V ^{[1
]}

Buchal, A

Tkacova, K

Becker, KD

机构：

[1] Slovak Acad Sci, Inst Geotech, SK-04353 Kosice, Slovakia

[2] Tech Univ Brno, Inst Mat Engn, CS-61669 Brno, Czech Republic

[3] Tech Univ Braunschweig, Inst Phys & Theoret Chem, D-38106 Braunschweig, Germany

来源：

EPDIC 5, PTS 1 AND 2 | 1998年 / 278-2卷

关键词：

high-energy ball-milling; spinel ferrite; nanocrystalline structure; metastable material;

D O I：

10.4028/www.scientific.net/MSF.278-281.862

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Changes in the structure of nickel ferrite (NiFe2O4) and magnesium ferrite (MgFe2O4) caused by the high-energy ball-milling have been investigated by X-ray diffraction, Mossbauer spectroscopy electron microscopy and the particle size analysis. Attention is concentrated on the explanation of Hn origin of the mechanically induced changes in magnetic properties of the nanoscale spinel ferrites. The range of thermal stability of the mechanically induced metastable states is determined by studying the response of the metastable mechanically treated ferrites to changes in temperature.

引用

页码：862 / 867

页数：6

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