STRUCTURAL, ELECTRICAL, AND MAGNETIC-PROPERTIES IN THE SYSTEM BAXLA1-XCOO3

被引：43

作者：

PATIL, SB ^{[1
]}

KEER, HV ^{[1
]}

CHAKRABARTY, DK ^{[1
]}

机构：

[1] INDIAN INST TECHNOL,DEPT CHEM,BOMBAY 400076,INDIA

来源：

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1979年 / 52卷 / 02期

关键词：

D O I：

10.1002/pssa.2210520240

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of compounds with composition BaxLa1–xCoO3 (0 ≦ x ≦ 0.5) is synthesized. The rhombohedrally distorted perovskite LaCoO3 becomes cubic at x = 0.4. The electrical resistivity of the samples decreases with increasing x and the minimum lies between x = 0.2 and 0.3. The compounds with x ≧ 0.2 are ferromagnetic, but also possess a paramagnetic moment. At x = 0.5 the compound is metallic. The results can be explained by Zener double exchange as well as by Goodenough's itinerant electron ferromagnetism. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA

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页码：681 / 686

页数：6

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