The high temperature properties of tin-doped magnetite

被引：29

作者：

Berry, FJ ^{[1
]}

Helgason, O ^{[1
]}

Jonsson, K ^{[1
]}

Skinner, SJ ^{[1
]}

机构：

[1] UNIV ICELAND,INST SCI,IS-107 REYKJAVIK,ICELAND

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1996年 / 122卷 / 02期

关键词：

D O I：

10.1006/jssc.1996.0126

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Materials of composition Fe3-xSnxO4 (x = 0.1 and 0.2) have been prepared. The Sn-119 Mossbauer spectra show a magnetic hyperfine field demonstrating an interaction between Fe3+ ions on the tetrahedral A sites and Sn4+ ions on the octahedral B sites of Fe3O4. Fe-57 Mossbauer spectroscopy shows the Curie temperatures of the materials to be lower than those of magnetite and related titanomagnetites, The Fe-57 and Sn-119 Mossbauer spectra also show the exsolution of tin from the tin-doped magnetite after prolonged treatment at elevated temperatures. (C) 1996 Academic Press, Inc.

引用

页码：353 / 357

页数：5

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