1.Characterization of particle size and distribution Dynamic Light Scattering (DLS): DLS is one of the most commonly used techniques for measuring the particle size and distribution of nanoparticles in suspensions. It calculates the hydrodynamic diameter of particles by measuring the time-dependent light scattering intensity fluctuations caused by Brownian motion of particles. DLS can also provide...
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Powder surface modification changes the surface state of particles through physical or chemical means, with the core being to break the agglomeration force between particles. When the particle size of the powder decreases to the micrometer or nanometer level, the surface energy sharply increases, and van der Waals forces, hydrogen bonds, and other gravitational forces cause the particles to sponta...
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Technical Solution: Nickel Ferrite (NiFe2O4) for Advanced EM Absorption & Shielding 1. Material Identification Nickel Ferrite (NiFe2O4) is a high-performance soft magnetic ferrite with an inverse spinel structure. In this configuration, Ni2+Ni2+ ions and half of the Fe3+Fe3+ ions occupy octahedral sites, while the remaining Fe3+Fe3+ ions occupy tetr...
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