The composite powders of barium-magnesium ferrite were prepared using sol-gel auto-combustion and microwave methods. The crystal structure and the shape of nanocomposites have been compared. X-ray Diffraction (XRD), Scanning Electron Microscope (SEM) and Vibrating Sample Magnetometer (VSM) were used to investigate the structural, morphological and magnetic properties of nanopowder. The formatio...

This paper demonstrates an electric-field tuning of the ferromagnetic resonance FMR responses at millimeter wave frequencies for a monolithic magneto-electric heterostructure. The layered stack is comprised of c-axis oriented and low loss barium hexaferrite BaM and 111 oriented ferroelectric barium strontium titanate BSTO layers along with embedded platinum electrode layers, all fabricated by p...

Solid-state reaction between BaTiO3 and Fe2O3 was used to produce a multiferroic heterostructure composite. Commercial Fe(NO3)3?9H2O were suspended in ethanol for 30 minutes an ultrasound bath. The prepared mixture thermally processed at 300?C 6 h. Sintering 1300?C 1 h resulted of different phases, BaTiO3, BaFe12O19 Ba12Ti28Fe15O84, which confirmed by x-ray powder diffraction. A dense microstru...