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Figure 6
Diagrams showing fits to G(r) for nano-crystalline FeS (mackinawite) at room P and T (top left) and the fit to G(r) obtained from data collected at 9.1 GPa (Fig. 7[link]) using the model for troilite (top right), the stable phase at ambient P for bulk FeS shown in Fig. 5(a)[link], and using the model for the MnP-related form (bottom left) and FeS-III (bottom right), the stable phase above about 4.6 GPa and 7.2 GPa, respectively (Nelmes et al., 1999BB21; Marshall et al., 2000BB17). The experimentally determined G(r) in each case is shown as a blue dotted line and the model as a red continuous line. The difference curve (black line) is plotted below and on the same scale as the experimental and model-derived curves.

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