Dielectric properties of polycrystalline mixed nickel–zinc ferrites

Dielectric properties of polycrystalline mixed nickel–zinc ferrites

Dielectric properties such as dielectric constant ( ε′), dielectric loss tangent (tan δ) and complex dielectric constant ( ε″) has been investigated in the frequency range 100 kHz–1 MHz. The variation of these parameters with composition, frequency and temperature is explained qualitatively. The die...

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Veröffentlicht in:Materials letters 1999-07, Vol.40 (1), p.39-45
Hauptverfasser: Ranga Mohan, G., Ravinder, D., Ramana Reddy, A.V., Boyanov, B.S.
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectric properties of solids and liquids
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Ferrite
Nickel
Physics
Zinc
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Zusammenfassung:Dielectric properties such as dielectric constant ( ε′), dielectric loss tangent (tan δ) and complex dielectric constant ( ε″) has been investigated in the frequency range 100 kHz–1 MHz. The variation of these parameters with composition, frequency and temperature is explained qualitatively. The dielectric constant for these ferrites is approximately inversely proportional to the square root of the resistivity. An attempt is made to explain the possible mechanism.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(99)00046-4