Neutron depolarisation study of nanocrystalline Fe73.5Nb3Cu1Si13.5B9 alloy

被引：1
|
作者：
Koszegi, L
Somogyvári, Z
van Dijk, NH
Rekveldt, MT
机构：
[1] Hungarian Acad Sci, Res Inst Solid State Phys & Opt, H-1525 Budapest, Hungary
[2] Delft Univ Technol, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands
来源：
PHYSICA B-CONDENSED MATTER | 2003年 / 335卷 / 1-4期
关键词：
magnetic nanostructures; neutron depolarisation; magnetic domain structures;
D O I：
10.1016/S0921-4526(03)00225-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The magnetic properties of the nanocrystalline soft-magnetic alloy Fe73.5Nb3Cu1Si13.5B9 have been investigated with the 3D neutron depolarisation technique as a function of temperature and external magnetic field. Around the reverse coercive field (H = -H-c) where the sample magnetisation vanishes the formation of a domain structure of alternating up-down domains perpendicular to the long axis of the ribbon was observed. An unexpected non-monotonic temperature evolution of the sample magnetisation in constant field, exhibiting a sudden increase in the magnetisation above T = 530 K with a local maximum at T = 540 K, was observed. (C) 2003 Elsevier Science B.V. All rights reserved.
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页码：140 / 142
页数：3
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