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POINT-DEFECTS AND TRANSPORT IN HEMATITE (FE2O3-EPSILON)

被引：59
作者：
DIECKMANN, R
机构：
[1] Department of Materials Science and Engineering, Bard Hall, Cornell University, New York, 14853-1501, Ithaca
来源：
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES | 1993年 / 68卷 / 04期
关键词：
D O I：
10.1080/01418619308213994
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The point defect structure and related transport properties of the iron oxide haematite, Fe2O3-epsilon are discussed based on data from literature and new electrical conductance and non-stoichiometry data. It is concluded that electrons and holes are the majority defects in haematite at high temperatures. The dominant ionic defects in haematite at temperatures between 1100 and 1300-degrees-C are anion vacancies. Based on a critical literature data review it is concluded that the current understanding of the diffusion of defects, cations and anions in haematite is still far from complete.
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页码：725 / 745
页数：21
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