Strong coercivity reduction and high initial permeability in NiCoP coated BaFe12O19-polystyrene bilayer composite

被引：30

作者：

Hamad, Mahmoud A. ^{[1
,2
]}

El-Sayed, Adly H. ^{[2
]}

Hemeda, O. M. ^{[2
]}

Tawfik, A. ^{[2
]}

机构：

[1] Univ Alexandria, Fac Sci, Dept Phys, Alexandria, Egypt

[2] Tanta Univ, Fac Sci, Dept Phys, Tanta, Egypt

来源：

MATERIALS RESEARCH EXPRESS | 2016年 / 3卷 / 03期

关键词：

magnetic composite; barium hexaferrite; polystyrene; MAGNETIC-PROPERTIES; FILMS; NANORODS; IN3+; TOOL;

D O I：

10.1088/2053-1591/3/3/036104

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Soft-magnetic NiCoP coated hard-magnetic M-type ferrite BaFe12O19 (BaM)-polystyrene (PS) bilayer composite film was successfully synthesized. X-ray diffraction peaks exhibited no change in the structure of BaM after coating with PS. The NiCoP coated BaM-PS composite exhibited a wasp-waisted magnetic hysteretic loop with remarkable reduction in the coercivity, remanence and squareness with respect to BaM-PS, which is useful for the core of a magnetic switching device to control currents so large that they are unmanageable. Moreover, the initial permeability measurement exhibits initial permeability of around 100 000 and thermal stability up to 558 K, which is good for flux-amplifying components of smaller inductors.

引用

页数：6

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