Physicochemical studies on LaYO3 perovskite prepared at low temperature

The mixed oxide LaYO3 was prepared by the thermal decomposition of mixed oxalate at 800 C and compared with samples prepared at 1100 C. XRD patterns and DTA curves were obtained. Electrical conductivity was also measured. It is concluded that LaYO3 prepared at the lower temperature is related to the...

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Bibliographic Details
Published inJournal of materials science letters Vol. 11; no. 21; pp. 1452 - 1453
Main Author ELSHEREAFY, E. E
Format Journal Article
LanguageEnglish
Published Dordrecht Kluwer Academic Publishers 01.01.1992
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity of specific materials
Electronic transport in condensed matter
Exact sciences and technology
Physics
Lanthanum Yttrium Oxides Mixed
Temperature
Electrical conductivity
Perovskite type compound
Infrared absorption
Differential thermal analysis
Lanthanide Compounds
High temperature
Experimental study
X ray diffraction
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Summary:The mixed oxide LaYO3 was prepared by the thermal decomposition of mixed oxalate at 800 C and compared with samples prepared at 1100 C. XRD patterns and DTA curves were obtained. Electrical conductivity was also measured. It is concluded that LaYO3 prepared at the lower temperature is related to the orthorhombic perovskite, whilst heating at 1100 C does not yield the perovskite. Thus heating at 1100 C for 3 h is insufficient for complete solid state reaction. 6 refs.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0261-8028
1573-4811
DOI:10.1007/BF00729661