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
收藏
页码：353 / 357
页数：5
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