Ultra-Low Thermal Conductivity and Promising Thermoelectric Performance in the Structurally Complex Zintl Phase: Eu14GaAs11

Key Points

• The research aims to explore the thermal and thermoelectric properties of the new Zintl compound Eu14GaAs11.
• Characterization of the structural and electronic properties of Eu14GaAs11.
• Assessment of thermal conductivity measurements.
• Evaluation of thermoelectric performance.
• Eu14GaAs11 exhibits significantly low thermal conductivity.
• The compound demonstrates promising thermoelectric performance.
• Small bandgap semiconducting behavior is confirmed.