MOSSBAUER STUDY OF BI2SR4FE3O12+X ISOSTRUCTURAL WITH THE BI2SR2CA2CU3O10+X 110-K SUPERCONDUCTOR

被引：7
|
作者：
PISSAS, M
PAPAEFTHYMIOU, V
SIMOPOULOS, A
KOSTIKAS, A
NIARCHOS, D
机构：
[1] National Center for Scientific Research Demokritos, Institute of Material Science
来源：
SOLID STATE COMMUNICATIONS | 1990年 / 73卷 / 11期
关键词：
D O I：
10.1016/0038-1098(90)90167-A
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report Mössbauer studies and magnetic measurements of Bi2Sr4Fe3O12+x. From the magnetic measurements and the Mössbauer spectra we conclude that the Bi2Sr4Fe3O12+x is antiferromagnetic with TN=40 K and θ=-258 K. The analysis of the Mössbauer spectra indicates that Fe exists in two states of valence, with relative abundance Fe3+ Fe4+=0.16. In addition, Fe3+ is in a high spin state. © 1990.
引用
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页码：767 / 770
页数：4
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