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Dielectric ceramics based on the ZrO2-SnO2-TiO2 ternary system for microwave and millimeter wave applications

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9 Author(s)
Ioachim, A. ; Nat. Inst. of Mater. Phys., Bucharest, Romania ; Toacsan, M.I. ; Banciu, M.G. ; Nedelcu, L.
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This work describes the investigations of (Zr0.8Sn0.2)TiO4 compounds prepared by solid-state reaction techniques. The effect of La2O3, ZnO and NiO addition on microwave dielectric properties was investigated. The samples were sintered at temperatures Ts=1280 -1400 °C. The materials exhibit a dielectric constant εr∼36 and high values of the Q·f product from 30,000 to 55,000 at microwave frequencies. The measured temperature coefficient of the resonance frequency τf takes values in the range (-2÷+4) ppm/°C.

Published in:

Semiconductor Conference, 2004. CAS 2004 Proceedings. 2004 International  (Volume:2 )

Date of Conference:

4-6 Oct. 2004