Synthesis of nano-sized spherical barium-strontium ferrite particles

Shape Dependent Coercivity Simulation of a Spherical Barium Ferrite (S-BaFe) Particle with Uniaxial Anisotropy

“…The saturation magnetization, M s , in emu/cm 3 was estimated using the well-known BaFe theoretical density of 5.29 g/cm 3 . The calculated M s of 204.72 emu/cm 3 (or saturation polarization J s = μ 0 M s in SI units, where μ 0 is the permeability of free space) was used in the simulations.…”

“…Spherical barium ferrite (S-BaFe: BaFe 12 O 19 ) particles have advantages over metal particles (MP) owing to a point-to-point contact for achieving high areal density for particulate recording media [1][2][3][4][5]. This is mainly because the MP requires a passivation layer that limits reduction of particle size due to low saturation magnetization and coercivity.…”

Growth of highly textured barium ferrite thin films on sapphire and their magnetic properties

“…Morphologies of the films play an important role in the determination of the performances of these devices. For example, the morphology of the films is crucial to the signal-to-noise ratio in the magnetic recording media [4]. The line-width of microwave devices is sensitive to the perfection of the crystallization [5,6].…”

Barium ferrite thin films with faceted grains fabricated by using ethylenediaminetetraacetic acid

“…In all these applications, morphologies of the films play an important role in determination of the performances of devices. For example, the morphology of the films is crucial to the signal-to-noise ratio in magnetic recording media [5]. The line-width of microwave devices is sensitive to the perfection of the crystallization [6].…”