High frequency behaviour of low temperature sintered polycrystalline NiCuZn ferrites and their composite thick films

被引：19

作者：

Dimri, Mukesh C. ^{[1
]}

Kashyap, Subhash C. ^{[2
]}

Dube, D. C. ^{[3
]}

机构：

[1] NICPB, EE-12618 Tallinn, Estonia

[2] Indian Inst Technol, Dept Phys, New Delhi 110016, India

[3] Inst Technol & Management, Elect & Commun Dept, Gurgaon 122017, India

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2010年 / 207卷 / 02期

关键词：

NI-ZN FERRITE; MAGNETIC-PROPERTIES; ELECTROMAGNETIC PROPERTIES; PERMEABILITY SPECTRA; PRECURSOR METHOD; CU SUBSTITUTION; X-BAND; MICROSTRUCTURE; PERMITTIVITY; ADDITIVES;

D O I：

10.1002/pssa.200824475

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

NiCuZn ferrite nanopowders and polycrystalline bulk samples were prepared by wet chemical (citrate) method followed by sintering at temperature lower than those for conventional solid-state ceramic route. The citrate method results in nanopowders. The addition of copper promotes sintering, and results in grain-growth during sintering, even at a low temperature. Composite thick films of desired thickness were prepared by die casting the ferrite mixed with a polymer in different weight ratios The dielectric properties of the polycrystalline NiCuZn ferrite and their composite thick films were investigated at radio and X-band microwave frequencies. Dielectric and magnetic losses are estimated to be appreciably low, even at microwave frequencies. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

收藏

页码：396 / 400

页数：5

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