Enhanced thermoelectric performance in Fe₂CrAl1−2xNixSnx Heusler alloys through co-doping and electronic structure optimization

Key Points

• Enhanced thermoelectric performance observed in the Fe₂CrAl1−2xNixSnx Heusler alloys, particularly with optimized co-doping strategies.
• Key evidence shows a performance increase by 20% compared to non-doped variants, highlighting the importance of electronic structure optimization.
• Analysis of electronic structures and thermoelectric properties indicates effective charge carrier transport and lower thermal conductivity.
• Implications suggest that co-doping strategies may enable future developments in efficient thermoelectric materials.