Figure 2 | Scientific Reports

Figure 2

From: Quantifying Anharmonic Vibrations in Thermoelectric Layered Cobaltites and Their Role in Suppressing Thermal Conductivity

Figure 2

Vibrational density plots in layers adjacent to CoO2 layers. (a–c), Density plots of atom vibrational motion within (a) a single Na layer of NaCoO2, (b) a single Na layer of Na0.5CoO2, and (c) a single Ca plane in a Ca2CoO3 layer of Ca3Co4O9, projected onto their ab (basal) planes. (d–f), Example of density plot isosurfaces of (d) a single Na ion in NaCoO2, (e) a single Na ion in Na0.5CoO2, and (f) a single Ca ion in Ca3Co4O9. In d, e and f, the crystal structure of each cobaltite is shown in the upper left hand corner.

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