Low-spin Fe2+ in silicate perovskite and a possible layer at the base of the lower mantle

Physics of the Earth and Planetary Interiors

Volumn 180, Issue 3-4, 2010, Pages 215-221

  McCammon, C ^a   Dubrovinsky, L ^a   Narygina, O ^a   Kantor, I ^a   Wu, X ^a   Glazyrin, K ^a   Sergueev, I ^b   Chumakov, A I ^b  

^a UNIVERSITÄT BAYREUTH   (Germany)

^b EUROPEAN SYNCHROTRON RADIATION FACILITY   (France)

Author keywords

D layer; M ssbauer spectroscopy; Nuclear forward scattering; Perovskite; Post perovskite; Spin transition

Indexed keywords

DIAMOND-ANVIL CELL; INTERMEDIATE SPINS; ISOMER SHIFTS; LOWER MANTLE; MAJORITE; META-STABLE STATE; NEW COMPONENTS; NUCLEAR FORWARD SCATTERING; PEROVSKITE PHASE; POST-PEROVSKITE; PRESSURE-TEMPERATURE CONDITIONS; QUADRUPOLE SPLITTING; ROOM TEMPERATURE; SILICATE PEROVSKITE; SPIN STATE; SPIN TRANSITION; SSBAUER SPECTROSCOPY; STABLE PHASE; STARTING MATERIALS; TRANSITION KINETICS; X-RAY DIFFRACTION DATA;

FORWARD SCATTERING; ISOMERS; LASER HEATING; LIGHT SCATTERING; MOLYBDENUM; OXIDE MINERALS; SILICATES; SINGLE CRYSTALS; SPIN DYNAMICS; TEMPERATURE; X RAY DIFFRACTION;

PEROVSKITE;

DIAMOND ANVIL CELL; EXPERIMENTAL MINERALOGY; IRON; LOWER MANTLE; MOSSBAUER SPECTROSCOPY; NEUTRON SCATTERING; P-T CONDITIONS; PEROVSKITE; REACTION KINETICS; SILICATE MINERAL; X-RAY DIFFRACTION;

EID: 77953232430     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2009.10.012     Document Type: Article

References (30)

1. Badro J., Rueff J.P., Vanko G., Monaco G., Fiquet G., Guyot F. Electronic transitions in perovskite: possible non-convecting layers in the lower mantle. Science 2004, 305:383-386.
2. 3. Earth and Planetary Science Letters 2008, 265:535-545.
3. Dubrovinskaia N., Dubrovinsky L. Whole-cell heater for the diamond anvil cell. Reviews of Scientific Instruments 2003, 74:3433-3437.
4. Eeckhout S.G., Bolfan-Casanova N., McCammon C.A., Klemme S., Amiguet E. XANES study of the oxidation state of Cr in lower mantle phases: periclase and magnesium silicate perovskite. American Mineralogist 2007, 92:966-972.
5. Fei Y., et al. Toward an internally consistent pressure scale. Proceedings of the National Academy of Sciences of the United States of America 2007, 104:9182-9186.
6. Hernlund J.W., Labrosse S. Geophysically consistent values of the perovskite to post-perovskite transition Clapeyron slope. Geophysical Research Letters 2007, 34. 10.1029/2006GL028961, 2007.
7. Hernlund J.W., Thomas C., Tackley P.J. A doubling of the post-perovskite phase boundary and structure of the Earth's lowermost mantle. Nature 2005, 434:882-886.
8. Hirose K. Postperovskite phase transition and its geophysical implications. Reviews of Geophysics 2006, 44:RG3001.
9. Hirose K., Karato S., Cormier V.F., Brodholt J.P., Yuen D.A. Unsolved problems in the lowermost mantle. Geophysical Research Letters 2006, 33. 10.1029/2006GL025691.
10. 3 perovskite up to 120GPa. American Mineralogist 2005, 90:199-205.
11. 3 post-perovskite assemblages at Mbar pressures. Geophysical Research Letters 2009, 36. 10.1029/2009GL037815.
12. Kantor A.P., Jacobsen S.D., Kantor I.Y., Dubrovinsky L.S., McCammon C.A., Reichmann H.J. Pressure-induced magnetization in FeO: evidence from elasticity and Mössbauer spectroscopy. Physical Review Letters 2004, 93. 10.1103/PhysRevLett.93.215502.
13. Larsen, A.C., von Dreele, R.B., 1985. General Structure Analysis System (GSAS). Los Alamos National Laboratory Report LAUR B6-748, Los Alamos, USA.
14. 3 perovskite: a combined synchrotron Mössbauer and X-ray emission spectroscopy study up to 100GPa. Physics and Chemistry of Minerals 2006, 33:575-585.
15. Lin J.-F., Tsuchiya T. Spin transition of iron in the Earth's lower mantle. Physics of the Earth and Planetary Interiors 2008, 170:248-259.
16. Lin J.-F., Watson H., Vankó G., Alp E.E., Prakapenka V.B., Dera P., Struzhkin V.V., Kubo A., Zhao J., McCammon C., Evans W.J. Predominant intermediate-spin ferrous iron in lowermost mantle post-perovskite and perovskite. Nature Geoscience 2008, 1:688-691.
17. Mao W.L., Meng Y., Shen G., Prakapenka V.B., Campbell A.J., Heinz D.L., Shu J., Caracas R., Cohen R.E., Fei Y., Hemley R.J., Mao H.-k. Iron-rich silicates in the Earth's D″ layer. Proceedings of the National Academy of Sciences 2005, 102:9751-9753.
18. McCammon C.A. A new apparatus to conduct variable temperature high pressure Mössbauer spectroscopy. Recent Trends in High Pressure Research (Proceedings of the XIII AIRAPT International Conference on High Pressure Science and Technology) 1992, 824-826. Oxford and IBL Publ. Co., New Delhi, India. A.K. Singh (Ed.).
19. 3 majorite with implications for the transition zone. Physics and Chemistry of Minerals 2003, 30:206-216.
20. McCammon C.A., Lauterbach S., Seifert F., Langenhorst F., van Aken P.A. Iron oxidation state in lower mantle mineral assemblages. I. Empirical relations derived from high-pressure experiments. Earth and Planetary Science Letters 2004, 222:435-449.
21. McCammon C., Kantor I., Narygina O., Rouquette J., Ponkratz U., Sergueev I., Mezouar M., Prakapenka V., Dubrovinsky L. Stable intermediate-spin ferrous iron in lower mantle perovskite. Nature Geoscience 2008, 1:684-687.
22. Ohta K., Onoda S., Hirose K., Sinmyo R., Shimizu K., Sata N., Ohishi Y., Yasuhara A. The electrical conductivity of post-perovskite in Earth's D″ layer. Science 2008, 320:89-91.
23. Rekhi S., Dubrovinsky L.S., Saxena S.K. Temperature-induced ruby fluorescence shifts up to a pressure of 15GPa in an externally heated diamond anvil cell. High Temperatures-High Pressures 1999, 31:299-305.
24. Rüffer R., Chumakov A.I. Nuclear resonance beamline at ESRF. Hyperfine Interactions 1996, 97/98:589-604.
25. Schreinemakers F.A.H. Invariant, monovariant and divariant equilibria. Proceedings of the Academy of Science of Amsterdam 1916, 19:514-527.
26. 3) minerals. Journal of Physics-Condensed Matter 2004, 16:2707-2718.
27. Shvyd'ko Y.V. MOTIF: evaluation of time spectra for nuclear forward scattering. Hyperfine Interactions 2000, 125:173-188.
28. 3 perovskite. Earth and Planetary Science Letters 2007, 253:282-290.
29. 3 perovskite under pressure. Earth and Planetary Science Letters 2008, 276:198-206.
30. Wysession M.E., Lay T., Revenaugh J., Williams Q., Garnero E., Jeanloz R., Kellog L. The D″ discontinuity and its implications. Geodynamics Series 28 1998, 231-253. American Geophysical Union, Washington, DC, USA. M. Gurnis, M.E. Wysession, E. Knittle, B.A. Buffet (Eds.).