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High-temperature electrical measurements and thermodynamic properties of Fe3O4-FeCr2O4-MgCr2O4-FeAl2O4 spinels

Abstract:

Electrical conductivity and thermopower measurements have been made on Fe3O4-FeCr2O4, Fe3O4-MgCr2O4, and Fe3O4-FeCr2O4-FeAl2O4 spinel solid solutions at 600°C to 1400°C and 1 atm. The thermopower and electrical conductivity data were combined with earlier results on the joins Fe3O4-MgFe2O4, Fe3O4-FeAl2O4, and Fe3O4-MgAl2O4 to estimate cation distributions for compositions within the geologically important system (Mg2+,Fe2+)-(Fe3+,Al3+,Cr3+)2O4. The cation distributions were then combined with...

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
American Mineralogist More from this journal
Volume:
76
Issue:
3-4
Pages:
405-426
Publication date:
1991-01-01
ISSN:
0003-004X
Language:
English
Pubs id:
pubs:177836
UUID:
uuid:e8d3ee29-743e-4c09-a0d1-ff1f691e1e9d
Local pid:
pubs:177836
Source identifiers:
177836
Deposit date:
2012-12-19

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