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Studies of the cation atom distribution in ZnCr x Fe 2− x O 4 spinels using the channeling effect in electron‐induced X‐ray emission
Author(s) -
Taftø J.,
Liliental Z.
Publication year - 1982
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889882011960
Subject(s) - octahedron , tetrahedron , atom (system on chip) , crystallography , chemistry , distribution (mathematics) , electron , physics , crystal structure , mathematics , mathematical analysis , quantum mechanics , computer science , embedded system
The channeling effect in electron‐induced X‐ray emission has proved useful as a method to get immediate information about the cation atom distribution between octahedral and tetrahedral positions in the recently synthesized spinels: ZnCr 0.4 Fe 1.6 O 4 , ZnCrFeO 4 and ZnCr 1.6 Fe 0.4 O 4 . It is concluded that the Zn atoms are in tetrahedral positions and the Cr atoms in octahedral positions. The Fe atoms also have a strong octahedral site preference, but the analysis indicates that ~5% of them are in tetrahedral positions.
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