Figure 5 | Scientific Reports

Figure 5

From: Correlative chemical and elemental nano-imaging of morphology and disorder at the nacre-prismatic region interface in Pinctada margaritifera

Figure 5

Minerology across the NPI. (a) Topography across the NPI, separated by the prism-covering membrane. s-SNOM images at (b) 860 cm–1 and (c) 880 cm−1 with contrast due to the distinct aragonite vs. calcite vibrational signatures. (d) Spatio-spectral linescan at the edge of the nacre shows the carbonite stretch at 860 cm−1, as well as an organic signature at 930 cm−1. (e) Spatio-spectral linecut along the prism edge with peak at 880 cm−1 indicative of calcite.

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