Estimation of Particle Concentration in a Nanocomposite Using Magnetization Data

We report magnetic field dependence of magnetization on nickel oxide nanoparticles, ferrihydrite nanoparticles, and a nanocomposite of both nanoparticle systems. The process of magnetization in these samples is studied. Possibility for estimating concentration of an individual nanoparticle system in a nanocomposite consisting of two or more magnetic phases is discussed in detail.