Abstract
In this letter the authors report on the aging effect on the phase transitions and dielectric properties of
1
mol
%
Mn-doped
Ba
Ti
O
3
ceramics. Aging the ceramics in the ferroelectric state stimulates a resistance for the orthorhombic-tetragonal and tetragonal-cubic phase transitions, which leads to stabilization of the tetragonal phase over a wider temperature range. The dielectric constant of the aged sample shows dispersion, associated with a dielectric loss relaxation peak near the
100
kHz
frequency region, in contrast to the unaged one. The present results are discussed in light of the existing models for ferroelectric domain stabilization.