The magnetic disaccommodation in aluminium ferrites

被引：6
|
作者：
Alejos, O [1 ]
de Francisco, C
Muñoz, JM
Hernández, P
Torres, C
Iñiguez, JI
Torres, L
机构：
[1] Univ Valladolid, Dpto Elect & Elect, E-47071 Valladolid, Spain
[2] Univ Salamanca, Dpto Fis Aplicada, Salamanca 37071, Spain
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 202卷 / 01期
关键词：
aluminium ferrites; magnetic after-effect; disaccommodation spectra;
D O I：
10.1016/S0304-8853(99)00367-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The domain wall stabilization processes in aluminium substituted magnetite is investigated by means of disaccommodation techniques. The time evolution of the initial magnetic susceptibility after sample demagnetization is measured for polycrystalline specimens with nominal composition AlxFe3-xO4, 0 less than or equal to x less than or equal to 1, around room temperature. We show that the presence of Al3+ ions in this structure involves the splitting of the original process III found in vacancy-doped magnetite in many similar processes, according to the different arrangements for the Al3+ ions inside the spinel structure. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：141 / 149
页数：9
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