A Novel Approach to the Sintering Schedule of Ba (Co0.7Zn0.3)1/3Nb2/3O3 Dielectric Ceramics for Microwave Applications

Table 3

Dielectric properties (measured at 6 GHz) of sintered and annealed BCZN ceramics.

Sintering parameters at 1450°C	Sintered sample	QF (GHz)	Annealed sample	QF (GHz)
Insertion-dwell-extraction times (min)		After sintering (1450°C)		After annealing (1300°C-30 h)
5-0-5	x1s	31 830	x1a	88653
5-10-5	x2s	40 699	x2a	112 598
10-10-10	x3s	40 888	x3a	109 594
100-30-100	x4s	48 003	x4a	107 964
100-60-100	x5s	52 799	x5a	107 491