Structural and magnetic study of Mo-doped FINEMET

被引：17
|
作者：
Silveyra, J. M. [1 ]
Cremaschi, V. J. [1 ]
Janickovic, D. [2 ]
Svec, P. [2 ]
Arcondo, B. [1 ]
机构：
[1] Univ Buenos Aires, CONICET, Fac Ingn, INTECIN,Lab Solidos Amorfos, Buenos Aires, DF, Argentina
[2] Slovak Acad Sci, Inst Phys, Bratislava 84511, Slovakia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2011年 / 323卷 / 3-4期
关键词：
Nanocrystalline alloy; FINEMET; Mossbauer spectroscopy; Magnetic moment; FE-SI ALLOYS; NANOCRYSTALLINE ALLOYS; CRYSTALLIZATION BEHAVIOR; MOSSBAUER-SPECTRA; GE ADDITION; PHASE; FE73.5CU1NB3SI13.5B9; SPECTROSCOPY; MOMENTS;
D O I：
10.1016/j.jmmm.2010.09.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a study of the structural and magnetic correlation of the crystalline and amorphous phases in the nanocrystalline system Fe(73.5)Si(13.5)B(9)Nb(3-x)MoxCu1 (x = 0,1.5,2,3) was made. By means of Mossbauer spectroscopy, simple mass balance considerations and density measurements, both phases fractions and chemical compositions were calculated (in at%, wt% and vol%). Then, quasistatic magnetic measurements and ab initio calculations were used in a magnetic balance model in order to estimate the magnetic contribution of the remaining amorphous phase, which was compared to that of as-quenched amorphous samples of the same composition. The difference in both magnitudes showed the influence of penetrating fields and that these became more important for higher crystalline fractions. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：290 / 296
页数：7
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