Dielectric properties of mixed Li–Ni–Cd ferrites

Ferrites with the general formula Li0.5Ni0.75-x/2Cdx/2Fe2O4 (where x = ,0.,0.,0.,0.7 and 0.9) were prepared by the standard double sintering ceramic method. X-ray diffraction analysis confirmed the single phase spinel structure of the samples. The variation of saturation magnetization (Ms) was studi...

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Bibliographic Details
Published in:Smart materials and structures 2006-04, Vol.15 (2), p.N36-N39
Main Authors: Kharabe, R G, Devan, R S, Kanamadi, C M, Chougule, B K
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
General equipment and techniques
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Measurement and testing methods
Physics
Servo and control equipment
robots
Solid mechanics
Structural and continuum mechanics
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Summary:Ferrites with the general formula Li0.5Ni0.75-x/2Cdx/2Fe2O4 (where x = ,0.,0.,0.,0.7 and 0.9) were prepared by the standard double sintering ceramic method. X-ray diffraction analysis confirmed the single phase spinel structure of the samples. The variation of saturation magnetization (Ms) was studied as a function of Cd content. The dielectric constant (epsilon') and dielectric loss tangent (tandelta) were measured at room temperature as a function of frequency in the range 100 Hz-1 MHz. These parameters decrease with increasing frequency for all of the samples. The compositional variation of epsilon' and rhoDC show an inverse trend of variation with each other.
ISSN:0964-1726
1361-665X
DOI:10.1088/0964-1726/15/2/N02