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. 2024 Jul 17;632(8024):273–279. doi: 10.1038/s41586-024-07678-5

Extended Data Fig. 1. Optical absorption spectrum of NiI2 at 5 K.

Extended Data Fig. 1

Light attenuation coefficient as a function of photon energy. A set of dd transitions and exciton states emerge across the near-infrared spectral range. The vertical bars denote the photon energies used in our pump (ħωpump = 1.13 eV) and probe (ħωprobe = 1.20 eV) experiment. Data is adapted from ref. 52.