Influence of ca-doping on structural, magnetic and dielectric properties of Ba3Co2-xCaxFe24O41 Hexaferrite powders

被引：5

作者：

Solanki N. ^{[1
]}

Jotania R.B. ^{[1
]}

机构：

[1] Department of Physics, University School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat

来源：

Solid State Phenomena | 2016年 / 241卷

关键词：

Ca-substitution; Low temperature sintering; Sol-gel auto-combustion; Z-type hexaferrite;

D O I：

10.4028/www.scientific.net/SSP.241.226

中图分类号：

学科分类号：

摘要：

Influence of Ca substitution on structural, magnetic and dielectric properties of Ba3Co2- xCaxFe24O41 (where x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0), prepared by Sol-Gel auto-combustion method, has been investigated in present studies. The obtained powder was sintered at 950 ºC for 4 hrs. in the static air atmosphere. Structural analysis of Ca-doped Ba3Co2-xCaxFe24O41 powders revealed pure Z-type hexaferrite phase at low temperature. The frequency dependent dielectric constant (Єʹ) and magnetic properties such as remanent magnetization (Mr), saturation magnetization (Ms) and coercivity (Hc) were studied. It is observed that coercivity increased gradually with increase in calcium content. The real dielectric constant (Єʹ) and dielectric loss tangent (tan δ) were studied in the frequency range of 20Hz to 2MHz. The dielectric parameters for all samples show normal dielectric behavior as observed in hexaferrites. © (2016) Trans Tech Publications, Switzerland.

引用

页码：226 / 236

页数：10

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