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Figure 3
Rietveld full structure refinement of a diffraction spectrum of MgSiO3 at 79.7 GPa and 1680 K integrated from an image plate exposed for 10 min using a monochromatic beam (0.5087 Å) focused to 10 × 20 µm2. Space group Pbnm, a = 4.4456 (4), b = 4.6648 (3), c = 6.4540 (4) Å, Rwp = 1.28% and R(F2) = 6.3% for MgSiO3 perovskite phase. Sample reflections (lower ticks) are mixed with reflections from platinum, the internal pressure calibrant (upper ticks).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 6| Part 2| March 1999| Pages 81-86
doi:10.1107/S090904959900028X
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