Dielectric spectroscopy of gadolinium monoaluminate nanoparticles

Abstract

Nanocrystalline GdAlO₃ with particle size of 40 nm has been studied in form of tablets by means of dielectric spectroscopy. Impedance, phase angle, capacitance, relative dielectric permittivity, and loss tangent have been measured in the frequency range 20 Hz–1 MHz at temperatures between 298 K and 473 K. The polarizability volume of GdAlO₃ has been determined and the dielectric properties of the material have been discussed.