Microwave Dielectric Properties of LaZn0.5Ti0.5O3 Ceramics Prepared by Sol–Gel Process

概要

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Some dielectric properties of LaZn0.5Ti0.5O3 (LZT) ceramics prepared by means of the sol–gel method have been investigated. The calcination of powders derived from amorphous gel at 600° C results in the formation of a pure orthorhombic phase of LZT. The high sintering ability of the prepared powders enables the fabrication of dielectric ceramics at low sintering temperatures (1350–1400° C). At higher temperatures, the sintering process is followed by a decomposition reaction with the formation of La2TiO5 and ZnO vapor. A dielectric material having $\varepsilon _{\rm r}\simeq 30$ and $Q\cdot f_{0}\simeq 60000\,{\rm GHz}$ is obtained at 1350° C.
INSTITUTE OF PURE AND APPLIED PHYSICSの論文
1996-02-15