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. 2022 Jan 26;119(5):e2111607119. doi: 10.1073/pnas.2111607119

Fig. 3.

Fig. 3.

Probing the homogeneity of the phosphonate monolayer. (A) Optical image of the diamond with marked measurement positions (color-coded, the laser spot for the green position is shown). The microwave loop for quantum control appears in black, the NV fluorescence of the excitation laser spot in white. (B) Normalized 19F spectra of the different positions that are indicated in A.