Frequency and temperature dependent electrical properties of Ni <inf>0.7</inf>Zn <inf>0.3</inf>Cr <inf>x</inf>Fe <inf>2-x</inf>O <inf>4</inf> (0 ≤ x ≤ 0.5)
Role of Cr<sup>3+</sup> ions on the microstructure development, and magnetic phase evolution of Ni<inf>0.7</inf>Zn<inf>0.3</inf>Fe<inf>2</inf>O <inf>4</inf> ferrite nanoparticles