Oxygen ionic conduction in MgSiO3 perovskite

Physics of the Earth and Planetary Interiors

Volumn 139, Issue 1-2, 2003, Pages 55-64

  Dobson, David ^a,b  

^a UNIVERSITÄT BAYREUTH   (Germany)

^b UNIVERSITY COLLEGE LONDON   (United Kingdom)

Author keywords

Ionic conduction; MgSiO3; O vacancies

Indexed keywords

DIFFUSION; ELECTRICAL CONDUCTIVITY; HIGH PRESSURE; ION; LOWER MANTLE; OXYGEN; PEROVSKITE; TEMPERATURE;

EID: 0242286102     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-9201(03)00144-4     Document Type: Article

References (31)

1. Bahr K.Duba A.Is the asthenosphere electrically anisotropic? Earth Planet. Sci. Lett. 178 2000 87-95
2. Banks R.J.Geomagnetic variations and the electrical conductivity of the upper mantle Geophys. J. R. Astron. Soc. 17 1969 457
3. 3-x/2 perovskites Phys. Chem. Chem. Phys. 2 2000 3933-3941
4. Brodholt J.P.Pressure-induced changes in the compression mechanism of aluminous perovskite in the earth's mantle Nature 407 2000 620-622
5. Buening D.K.Buseck P.R.Fe-Mg lattice diffusion in olivine J. Geophys. Res. 78 1973 6852-6862
6. Chakryborty S.Rates and mechanisms of Fe-Mg interdiffusion in olivine at 980-1300°C J. Geophys. Res. 102 1997 12317-12331
7. Constable S.Constraints on mantle electrical conductivity from field and laboratory measurements J. Geomag. Geolect. 45 1993 707-728
8. Dobson D.P.Brodholt J.P.The electrical conductivity and thermal profile of the earth's mid-mantle Geophys. Res. Lett. 27 2000 2325-2328
9. Egbert G.D.Booker J.R.Very long period magnetotellurics at Tuscon observatory: implication for mantle conductivity J. Geophys. Res. 97 1992 15099-15112
10. Evans R.L.Tarits P.Chave A.D.White A.Heinson G.Filloux J.H.Toh H.Seama N.Utada H.Booker J.R.Unsworth M.J.Asymmetric electrical structure in the mantle beneath the East Pacific rise at 17°S Science 286 1999 752-756
11. Gautatson B.Muehlenbachs K.Oxygen diffusion in perovskite-implications for electrical-conductivity in the lower mantle Science 260 1993 518-521
12. 4 and some geophysical implications J. Geophys. Res. 94 1989 10637-10646
13. 3 at high temperature: structural, elastic and thermodynamical properties Phys. Earth Planet. Int. 75 1993 205-224
14. Katsura T.Sato K.Ito E.Electrical conductivity of silicate perovskite at lower mantle conditions Nature 395 1998 493-495
15. 3 perovskite: a highly oxidised component of the lower mantle Contrib. Miner. Petrol. 138 2000 17-26
16. Li X.Jeanloz R.Laboratory studies of the electrical conductivity of silicate perovskite at high pressures and temperatures J. Geophys. Res. 95 1990 5067-5078
17. 3 perovskite at high pressures and temperatures Nature 351 1991 735-737
18. Olsen N.Long-period (30 days-1 year) electromagnetic sounding and the electrical conductivity of the lower mantle beneath Europe Geophys. J. Int. 138 1999 179-187
19. Poirier, J.P., 1991. Introduction to the Physics of the Earth's Interior. Cambridge University Press, Cambridge, 264 pp.
20. 3 Phys. Earth Planet. Int. 32 1983 273-287
21. Putnis, A., 1992. Mineral Sciences. Cambridge University Press, New York, 457 pp.
22. Schock R.N.Duba A.G.Shankland T.J.Electrical conduction in olivine J. Geophys. Res. 94 1989 5829-5839
23. Shankland T.J.Peyronneau J.Poirier J.-P.Electrical conductivity of the earth's lower mantle Nature 366 1993 453-455
24. Tuller, H.L., 1985. Electrical conduction in ceramics: toward improved defect interpretation. In: Schock, R.N. (Ed.), Point Defects in Minerals. American Geophysical Union, Washington, DC, pp. 47-68.
25. Tyburczy, J.A., Fisler, D.K., 1985. Electrical properties of minerals and melts. In: T.J. Ahrens (Ed.), Mineral Physics and Crystallography: A Handbook of Physical Constants. American Geophysical Union, Washington, DC, pp. 185-208.
26. 3 perovskite Phys. Earth Planet. Int. 58 1990 192-204
27. Wood B.J.Rubie D.C.The effect of alumina on phase transformations at the 660 km discontinuity from Fe-Mg partitioning experiments Science 273 1996 1522-1524
28. Xu Y.S.Poe B.T.Shankland T.J.Rubie D.C.Electrical conductivity of olivine, wadsleyite and ringwoodite under upper mantle conditions Science 280 1998 1415-1418
29. Xu Y.McCammon C.Poe B.T.The effect of alumina on the electrical conductivity of silicate perovskite Science 282 1998 922-924
30. Xu, Y., McCammon, C., in press. Evidence for ionic conductivity in lower mantle (Mg, Fe)(Si, Al)O3 perovskite. J. Geophys. Res-Sol Ea 107 (B10): art no. 2251, October 2002.
31. 3 perovskite at 24 GPa Phys. Earth Planet. Int. 119 2000 299-309