Dielectric properties of monocrystal diglycine nitrate near the phase transition point in the frequency range 1 Hz-10 MHz

In this paper, the dielectric properties of the polar cut of the monocrystal of diglycine nitrate (DGN), depending on the temperature, the frequency of the applied external field and the measuring time, were studied. Using the Havriliak-Negami equation, an approximation of the experimental frequency dependencies of permittivity was made. For each temperature point, a relaxation time spectrum is obtained. The temperature dependence of relaxation time values near the Curie point was found.