PREPARATION OF SINGLE-PHASE PB(MG1/3NB2/3)O3 SAMPLES UTILIZING INFORMATION FROM SOLUBILITY RELATIONSHIPS IN THE PB-MG-NB-CITRIC ACID-H2O SYSTEM

被引：18

作者：

CHOY, JH ^{[1
]}

HAN, YS ^{[1
]}

SONG, SW ^{[1
]}

CHANG, SH ^{[1
]}

机构：

[1] ELECTR & TELECOMMUN RES INST,TAEJON,SOUTH KOREA

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1994年 / 4卷 / 08期

关键词：

D O I：

10.1039/jm9940401271

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The optimum pH for preparing single-phase Pb(Mg1/3Nb2/3)O3 (PMN) powder can be estimated from the solubility vs. pH diagrams for the corresponding metal ions in hydroxide, carbonate and citrate media. The homogeneous and stoichiometric citrate PMN precursor could be prepared from the system Pb-Mg-Nb-citric acid-H2O by adjusting the pH of the solution to 6. Ultrafine (0.05-0.3 mum) and stoichiometric PMN powder could be obtained through the thermal decomposition of the citrate precursor at the relatively low temperature of 900-degrees-C.

引用

页码：1271 / 1274

页数：4