Abstract
A simple graphical method for evaluating the dipole relaxation times (τ) in a dielectric is proposed. From isothermal measurements of the transient discharge current due to dipole relaxation, τ can be obtained graphically by means of discharge current transient spectroscopy (DCTS). In other words, the time at which the DCTS signal is a maximum corresponds to τ. Since τ and the steady-state polarization (P s) in dielectrics at electric field (F p) and temperature (T) can be obtained using DCTS, the dependencies of τ and P s on F p or T can be investigated in detail.
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