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Figure 4 . Rietveld refinement of K0.8Ca9.8Fe0.2(PO4)7. Experimental (dots), calculated (red curve) and difference (blue curve) data for 2θ range 9-72°. |
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Figure 4 . Rietveld refinement of K0.8Ca9.8Fe0.2(PO4)7. Experimental (dots), calculated (red curve) and difference (blue curve) data for 2θ range 9-72°. |