Fig. 5: κL-δ diagram for the Cu–Sn–S compounds. | npj Computational Materials

Fig. 5: κL-δ diagram for the Cu–Sn–S compounds.

From: Number mismatch between cations and anions as an indicator for low lattice thermal conductivity in chalcogenides

Fig. 5

The squares are the experimental data. The red line is fitted to guide the eyes. The short vertical line donates the mismatch of various Cu–Sn–S compounds from the reported phase diagram31 whose lattice thermal conductivity has not been reported. Materials with large |δ| values are expected to exhibit low κL.

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