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Figure 4
Data from operando hematite experiments in 3% H2 and laser heating with λlaser = 976 nm, reaching a maximum power Pmax = 10 W at the sample surface. (a) Waterfall plot of the background-subtracted 1D X-ray powder diffraction versus time. (b) The integrated intensity of one characteristic peak per phase versus time. (c) Plot of the laser input and the raw pyrometer output. The pyrometer's operating range, 250–1800°C, is highlighted. |
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