Dielectric properties of the La3+ doped Sr0.3-3y/2LayBa0.7Nb2O6 ceramic system

被引：20

作者：

Guerrero, F

Portelles, JJ

Gonzalez, I

Fundora, A

Amorin, H

Siqueiros, JM

Machorro, R

机构：

[1] UNIV LA HABANA, FAC FIS, HAVANA 10400, CUBA

[2] CTR INVEST CIENT EDUC SUPER ENSENADA, ENSENADA 22800, BAJA CALIFORNIA, MEXICO

[3] UNIV NACL AUTONOMA MEXICO, INST FIS, ENSENADA 22800, BAJA CALIFORNIA, MEXICO

来源：

SOLID STATE COMMUNICATIONS | 1997年 / 101卷 / 06期

关键词：

ferroelectrics; chemical synthesis; dielectric response;

D O I：

10.1016/S0038-1098(96)00636-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A process for obtaining Sr0.3-3y/2LayBa0.7Nb2O6 (LSBN) ceramics at different concentrations of the La3+ cation and different sintering times is presented. The dielectric properties of the LSBN system where Sr2+ ions are substituted by La3+ cations follow the pattern of a modification by cationic substitution for a constant Sr/Ba ratio. This behavior of the dielectric properties indicate that the La3+ cations occupy the A(1) as well as the A(2) sites which favors the formation of the LSBN system up to y < 0.05. For higher values the dielectric properties of the ceramic start to deteriorate. Copyright (C) 1997 Published by Elsevier Science Ltd

引用

页码：463 / 466

页数：4

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