Novel magnetodielectric nanomaterials with matching permeability and permittivity for the very-high-frequency applications

作者：Thakur Atul; Thakur Preeti; Hsu Jen Hwa^*

来源：Scripta Materialia, 2011, 64(2): 205-208.

DOI：10.1016/j.scriptamat.2010.09.045

• Precipitation
• Nanocomposite
• Ceramics
• Sintering
• Dielectric

Nanoferrites with a composition of Ni(0.35)Zn(0.35)Co(0.2)Mn(0.05)Cu(0.05)Fe(1.98)O(4) were synthesized by a co-precipitation method. The material obtained after sintering at 900 degrees C shows almost matching permeability and permittivity values of close to 6 with low values for magnetic loss tangent (similar to 0.03) and dielectric loss tangent (similar to 0.008) in the range 10-200 MHz. Together with a refractive index of about six and a reduced impedance of around one, this material could be employed for loading of miniaturized antennas in the VHF band.

• 出版日期2011-1