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Low permittivity-low sintering temperature PZT/PGO thick films

To minimise lead losses and chemical reaction between substrate and thick film within processing at high temperature, a low-sintering-temperature composition was developed. It consists of PZT and lead germanates - Pb5Ge3O11. A liquid phase above 710 degrees Celsius enable densification at low temperatures under constrained conditions. Up to 4 wt.% od lead germanate was added to PZT powder during preparation of thick film paste. Sintering temperature of PZT powder of such a mixture is 750 – 850oC.

Reported by

Jozef Stefan Institute
39 Jamova
1001 Ljubljana
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