Magnetic complex permeability (imaginary part) dependence on the microstructure of a Cu-doped Ni–Zn-polycrystalline sintered ferrite
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7033
comunitat-uji-handle3:10234/8618
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https://doi.org/10.1016/j.ceramint.2020.02.255 |
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Title
Magnetic complex permeability (imaginary part) dependence on the microstructure of a Cu-doped Ni–Zn-polycrystalline sintered ferriteDate
2020-07Publisher
ElsevierISSN
0272-8842Type
info:eu-repo/semantics/articlePublisher version
https://www.sciencedirect.com/science/article/pii/S0272884220305812Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
In this study, the effective complex magnetic permeability-imaginary part of a Cu doped-NiZn polycrystalline ferrite used as EMI suppressor has been quantitatively related to microstructural parameters. It has been ... [+]
In this study, the effective complex magnetic permeability-imaginary part of a Cu doped-NiZn polycrystalline ferrite used as EMI suppressor has been quantitatively related to microstructural parameters. It has been observed that strongly depends on average grain size of the compact, but also on its relative density : the higher grain size and density the higher . A mathematical relationship between and average grain size and densification has been proposed and tested, accurately reproducing the experimental results. The use of densification concept allows to compare the wide range of microstructures tested and includes a lower value of relative density (estimated around 0,56) below which is virtually zero. The grain boundary thickness has been estimated around 2 nm which is in agreement with experimental results reported in this work and with those found in literature. [-]
Is part of
Ceramics International, 2020, vol. 46, no 10Investigation project
Spanish National Plan for Scientific Research, Development, and Technology Innovation of the Spanish Ministry of Economy and Competitiveness: project MAT2016–76320-R; Jaume I University of Spain: project UJIB2017-48Rights
Copyright © Elsevier B.V.
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info:eu-repo/semantics/restrictedAccess
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