Surface mediated impact of thermal treatment ambience on magnetic properties of Fe-Nb-Cu-B-Si nanocrystalline ribbons

被引：8
|
作者：
Butvinova, B. [1 ]
Butvin, P. [1 ]
Mat'ko, I. [1 ]
Kadlecikova, M. [2 ]
Kuzminski, M. [3 ]
Svec, P., Jr. [1 ]
机构：
[1] SAS, Inst Phys, Bratislava 84511, Slovakia
[2] SUT, Inst Elect & Photon FEI, Bratislava 81219, Slovakia
[3] PAS, Inst Phys, PL-02668 Warsaw, Poland
来源：
APPLIED SURFACE SCIENCE | 2014年 / 301卷
关键词：
Nanocrystalline magnetic materials; Magnetic domain structure; Scanning electron microscopy; Surface analysis; RAMAN-SPECTROSCOPY; FENBCUBSI ALLOYS; ANISOTROPY; CORROSION;
D O I：
10.1016/j.apsusc.2014.01.199
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The less silicon, the more pronounced is the diversity between surfaces and ribbon interior of non-vacuum annealed Fe-Nb-Cu-B-Si nanocrystalline Finemets. The diversity significantly impacts material's magnetic properties particularly by engaging surface-created macroscopic forces in magnetoelastic interaction. A medium-Si Finemet (10 at%) was investigated using several surface analysis methods and compared to standard Si-rich Finemet. Oxides were detected on the surfaces after non-vacuum annealing. No explicit contiguous oxide layer was revealed. Surface crystallization is considered to be the direct source of the macroscopic forces. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：119 / 125
页数：7
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