Abstract

A new low-loss, low-temperature sinterable microwave dielectric ceramic Li2Cu0.1Zn0.9Ti3O8 was investigated for the first time. Single phase pure Li2Cu0.1Zn0.9Ti3O8 ceramic with cubic spinel structure was obtained by the conventional solid-state route and sintered at 900°C–975°C for 2h. The ceramic sintered at 950°C/2h exhibits a moderate dielectric constant (εr) of 25.2, a high quality factor value (Q×f) of 32 100GHz, and a near-zero temperature coefficient of the resonant frequency (τf) of 1.6ppm/ °C. The Li2Cu0.1Zn0.9Ti3O8 ceramic can be compatible with Ag electrode, which makes it a promising ceramic for LTCC technology application.

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