Influence of Chemical Composition on the Curie Temperature Change in Amorphous Alloys

被引：0
作者：
Jez, B. [1 ]
机构：
[1] Czestochowa Tech Univ, Fac Mech Engn & Comp Sci, Dept Technol & Automat, Al Armii Krajowej 19c, PL-42200 Czestochowa, Poland
来源：
ACTA PHYSICA POLONICA A | 2023年 / 144卷 / 05期
关键词：
bulk amorphous alloys; Curie temperature; coercieve field; soft magnetic properties; SOUND-PROPAGATION; MODEL;
D O I：
10.12693/APhysPolA.144.281
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Amorphous alloys are characterized by a disordered structure. The arrangement of atoms is chaotic and it is difficult to determine the parameters describing their properties. In soft magnetic ferromagnets, one of the main parameters describing their applicability is the Curie temperature. However, in amorphous materials, due to their metastable nature, the Curie temperature occurs in a rather narrow range. Using the measurements of the magnetic saturation polarization as a function of temperature and the critical exponent beta = 0.36, the value of the Curie temperature can be determined. The paper presents the results of mu M-0(T)(1/beta) tests carried out for two amorphous alloys with similar chemical composition. The influence of chemical composition on the course of the mu M-0(T) curve and changes in the share of characteristic areas describing rearrangements of atoms in the structure of alloys were observed.
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收藏
页码：281 / 288
页数：8
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