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Stability of Ni–P–O under laser illumination. (a) Raman spectra offset to highlight different timesteps in the exposure with 0–40 s in 10 s intervals and 40–340 s in 50 s intervals. Dark yellow is the initial time step, and the bright purple is the last time step. (b) Peak position of both visible peaks over the full 25 min of exposure and (c) width of those peaks over the exposure.
