MOSSBAUER-SPECTROSCOPY STUDY OF (BI, PB)2SR2BIN-1FENO3N+3+Z STACKING POLYTYPES WITH N = 2, 3, 4

被引：3

作者：

SINNEMANN, T ^{[1
]}

RESSLER, L ^{[1
]}

ROSENBERG, M ^{[1
]}

FRIES, T ^{[1
]}

EHMANN, A ^{[1
]}

KEMMLERSACK, S ^{[1
]}

机构：

[1] UNIV TUBINGEN,INST ANORGAN CHEM,W-7400 TUBINGEN 1,GERMANY

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1991年 / 98卷 / 1-2期

关键词：

D O I：

10.1016/0304-8853(91)90434-C

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The (Bi, Pb)2Sr2Bin-1Fe(n)O3n+3+z compounds are strongly related to the members of the high-T(c) superconductor series (Bi, Pb)2Sr2Can-1Cu(n)O2n+4+z. In this study we show that the Fe compounds with n = 2, 3, 4 are antiferromagnets with Neel temperatures of 512, 597 and 620 K. The saturation hyperfine field and isomer shift values correspond to Fe ions in the 3 + oxidation state. For the n = 3 and 4 compounds, the different subspectra belonging to the inequivalent Fe lattice sites were measured, and the temperature dependence of their hyperfine fields was interpreted in the molecular field approximation.

引用

页码：99 / 103

页数：5

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