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Research Article

Achieving High Thermoelectric Performance in Rare-Earth Element-Free CaMg2Bi2 with High Carrier Mobility and Ultralow Lattice Thermal Conductivity

Table 1

Room temperature electrical transport parameters of BaZny () samples.

Sample numberComposition (1019 cm-3) (cm-2V-1s-1) (me) (103 Sm-1) (μVK-1)

Ba0.25(Ca0.75Ba0.25)0.995Na0.005Mg2Bi1.982.51690.6366.8136
BaZn0.05(Ca0.75Ba0.25)0.995Na0.005Mg1.95Zn0.05Bi1.982.51700.6668.6144
BaZn0.1(Ca0.75Ba0.25)0.995Na0.005Mg1.9Zn0.1Bi1.982.51660.6265.3135
BaZn0.15(Ca0.75Ba0.25)0.995Na0.005Mg1.85Zn0.15Bi1.982.51680.6168.4130