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Figure 3
Top: in situ X-ray diffraction patterns of (Mg0.39,Fe0.61)O on laser heating to 2390 K at 98 GPa. A monochromatic beam (wavelength = 0.3311 Å) was used. Bottom: phase diagram for (Mg,Fe)O. Solid lines represent the phase lines for FeO. The grey line shows the approximate mantle geotherm. Open squares and open circles: (Mg0.39,Fe0.61)O and (Mg0.25,Fe0.75)O in the B1 structure, respectively; crosses: (Mg0.25,Fe0.75)O in the rhombohedral structure (Lin, Heinz et al., 2003BB102).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 2| February 2005| Pages 135-154
doi:10.1107/S0909049504034417
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