J Mater Sci Technol ›› 1993, Vol. 9 ›› Issue (6): 461-463.

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Dielectric Relaxation in Bi_2BaNb_2O_9 Ceramic

Xiaoli WANG Xi YAO Electronic Materials Research Laboratory,Xi'an Jiaotong University,Xi'an,710049,China   

  • Received:1993-11-28 Revised:1993-11-28 Online:1993-11-28 Published:2009-10-10

Abstract: A very strong dielectric relaxation was observed in Bi_2BaNb_2O_9 ceramic.The temperature difference between the maximum dielectric constant temperatures T_m measured at 1 kHz and 100 kHz is 65℃. which is about 2-4 times that of relaxor ferroelectrics.The possible mechanism of the anomalous dielectric relaxation was discussed.

Key words: dielectric relaxation, ceramic, temperature