15BaO-10PbO-5SrO-70P2O5 glasses were prepared with temperature-controlled microwave heating by changing holding temperature (700°C,800°C and 850°C) and holding time (0 min and 10 min). The glass prepared at 700°C for 0 min showed the highest AC contdiuctity of 1.7×10-4Scm-1 at 200°C.
