Semi-coherent interfaces synergistically optimize thermoelectric performance in Pb-doped Bi0.4Sb1.6Te3

Key Points

• The thermoelectric performance improved significantly with semi-coherent interfaces and doping.
• Key metric indicates the optimized performance of Pb-doped Bi0.4Sb1.6Te3 through a synergistic effect.
• Observational analysis focused on the interface characteristics and their impact on thermoelectric properties.
• The findings support enhanced design strategies for thermoelectric materials, with further exploration suggested.