Molten alkali metal oxonitrates, a liquid state for nanosized perovskite phase elaboration

被引:23
作者
Deloume, JP
Scharff, JP
Marote, P
Durand, B
Abou-Jalil, A
机构
[1] Univ Lyon 1, F-69622 Villeurbanne, France
[2] ENSCMu, F-68093 Mulhouse, France
关键词
D O I
10.1039/a805309j
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
Alkali metal nitrates or nitrites have rather low melting points and provide a powerful liquid medium for the precipitation of metal oxides from their common salts. Oxonitrate anions are Lux-Flood bases; the basicity can be chosen between nitrate or nitrite depending on the acidity of the metal cation or the kind of oxide desired. Once the experimental conditions are determined, generally by using TGA, one can obtain phases such as BaTiO3, PbTiO3 or LaMnO3 quickly and reproducibly. Elementary particles, single crystals about 100 nm in size, form rather soft aggregates of approximately 2 mu m. The purity is suitable for most applications.
引用
收藏
页码:107 / 110
页数:4
相关论文
共 19 条
[1]   INFLUENCE OF PREPARATION METHOD ON THE ACIDITY OF MOO3(WO3)/ZRO2, CATALYSTS [J].
AFANASIEV, P ;
GEANTET, C ;
BREYSSE, M ;
COUDURIER, G ;
VEDRINE, JC .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1994, 90 (01) :193-202
[2]   ZIRCONIA FORMATION BY REACTION OF ZIRCONIUM SULFATE IN MOLTEN ALKALI-METAL NITRATES OR NITRITES [J].
ALRAIHANI, H ;
DURAND, B ;
CHASSAGNEUX, F ;
KERRIDGE, DH ;
INMAN, D .
JOURNAL OF MATERIALS CHEMISTRY, 1994, 4 (08) :1331-1336
[3]   LEAD ZIRCONATE TITANATE CERAMICS FROM MOLTEN-SALT SOLVENT SYNTHESIZED POWDERS [J].
ARENDT, RH ;
ROSOLOWSKI, JH ;
SZYMASZEK, JW .
MATERIALS RESEARCH BULLETIN, 1979, 14 (05) :703-709
[4]  
DUVAL C, 1932, TRAITE CHIMIE MINERA, V11, P792
[5]  
HAMON D, 1993, EUR J SOL STATE INOR, V30, P713
[6]  
HARLE V, 1994, EUR J SOL STATE INOR, V31, P1994
[7]   PREPARATION OF ROD-SHAPED BATIO3 POWDER [J].
HAYASHI, Y ;
KIMURA, T ;
YAMAGUCHI, T .
JOURNAL OF MATERIALS SCIENCE, 1986, 21 (03) :757-762
[8]   MOLTEN-SALT SYNTHESIS OF BA1-XPBXTIO3 IN THE SYSTEM BATIO3-PBCL2 [J].
ITO, Y ;
SHIMADA, S ;
INAGAKI, M .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1995, 78 (10) :2695-2699
[9]  
JEBROUNI M, 1991, ANN CHIM-SCI MAT, V16, P569
[10]  
JEBROUNI M, 1992, ANN CHIM-SCI MAT, V17, P143