Microave Dielectric Properties and Microstructural Characteristics of Aliovalently Doped perovskite Ceramics Based on CaTiO_3

Bostjan Jancar; Danilo Suvorov; Matjaz Valant

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Microave Dielectric Properties and Microstructural Characteristics of Aliovalently Doped perovskite Ceramics Based on CaTiO_3

机译：CaTiO_3基异价掺杂钙钛矿陶瓷的微波介电性能和微结构特征

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XRD and microstructural analyses showed that CaTiO - 3 forms substitutional solid solutions with REAlO_3 and REGaO_3 (RE = La, Nd, Sm). With an increase in the concentration of REAlO_2 and REGaO_3 the temperature coefficient of resonant frequency (τf) and the relative Permittivity (ε_T) decreased while the quality factor (Qxf) increased. The large positive τf of CaTiO_3 Was completely compensated with an equimolar substitution of 30-35 mol /100 of Ca~2+ and Ti~4+.

机译：XRD和显微结构分析表明，CaTiO-3与REAlO_3和REGaO_3形成替代固溶体（RE = La，Nd，Sm）。随着REAlO_2和REGaO_3浓度的增加，谐振频率的温度系数（τf）和相对介电常数（ε_T）降低，而品质因数（Qxf）增加。 CaTiO_3的大正τf被30〜35 mol / 100 Ca〜2 +和Ti〜4 +的等摩尔取代完全补偿。

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《Key Engineering Materials》 |2002年第2002期|p.1289-1292|共4页
作者
Bostjan Jancar; Danilo Suvorov; Matjaz Valant;
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正文语种 eng
中图分类工程基础科学;
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Perovskite; microwave dielectric properties; microstructure; CaTiO_3;

机译：钙钛矿;微波介电性能微观结构钛酸钙_3;

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Microave Dielectric Properties and Microstructural Characteristics of Aliovalently Doped perovskite Ceramics Based on CaTiO_3

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