Microstructure and High-Field Magnetic Properties of Fe-Based Bulk Amorphous Alloys

被引：0
|
作者：
Bloch, Katarzyna [1 ]
机构：
[1] Czestochowa Tech Univ, Inst Phys, Fac Prod Engn & Mat Technol, 19 Armii Krajowej Str, PL-42200 Czestochowa, Poland
来源：
REVISTA DE CHIMIE | 2018年 / 69卷 / 04期
关键词：
bulk alloys; amorphous structure; Mossbauer spectroscopy; structural defects; Holstein-Primakoff paraprocess; IRREVERSIBLE STRUCTURAL RELAXATION; SUPERCOOLED LIQUID REGION; YTTRIUM-IRON ALLOYS; PARTIAL SUBSTITUTION; MOSSBAUER-SPECTRA; HEAT-TREATMENT; SOFT; ZR; CRYSTALLIZATION; DISTRIBUTIONS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper the results of the structural and magnetic properties for bulk amorphous alloys Fe65Co10Y5B20 and Fe63Co10Y7B20 were presented. For the structural investigation was performed by X-ray diffractometry and Mossbauer spectroscopy. It was found that investigated samples were amorphous in the as-cast state. The magnetisation was measured within magnetic fields ranging from 0 to 2T using a vibrating sample magnetometer (VSM). On the basis of the hysteresis loops, the saturation magnetization value and the coercive field were determined. The investigation of the 'magnetisation in the area close to ferromagnetic saturation' showed that the magnetisation process in strong magnetic fields is connected with point defects and Holstein-Primakoff paraprocess. Analysis of the high-field magnetization curves has facilitated the calculation of the spin wave stiffness parameter.
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收藏
页码：982 / 985
页数：4
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