Structure parameters and magnetic properties of Me2W1 cobalt-containing hexaferrite systems synthesized by the SHS method

Abstract

Fe 16 O 27 system hexaferrite powders fabricated using novel energy-saving technology of self-spreading high-temperature synthesis (SHS) with preliminary mechanical activation are determined. The phase composition and morphology of the synthesized materials are investigated by the method of x-ray structural and phase analysis. Values of specific saturation magnetization, crystal magnetic anisotropy field, spin reorientation transition temperature, and Curie's temperature are determined based on static and dynamic measurements of the magnetic properties. Spectra of the magnetic permeability and dielectric permittivity are measured in the microwave range.

Microwave properties of Li-Zn ferrite ceramics

“…Measurement of complex permittivity and permeability ferrite in the microwave region were conducted on universal broadband complex based on vector network analyzer PNA 8363V Agilent Technologies [14]. To measure the microwave spectra of dielectric permittivity and permeability ferrite samples were used coaxial and cavity methods.…”

Study of the Radio-Wave Absorbing Properties of a Lithium-Zinc Ferrite Based Composite

“…Measurements of the complex permeability and permittivity, and also of the reflection coefficient of the composite material were carried out on a universal wideband setup based on the PNA 8363В vector circuit analyzer (Agilent Technologies, USA) [17][18][19], belonging to the Center for Radiophysical Measurements, Diagnostics, and Research on the Parameters of Natural and Artificial Materials (Collective Use Center) of the National Research Tomsk State University, and certified as operational [20].…”