High‐purity La3‐xTe4 Material with Superior Thermoelectric Performance Synthesized via Te‐vapor Transport and Solid‐State Diffusion
Yu‐Lin Pan,
Yan Cao,
Feng Qiao
et al.
Abstract:La3‐xTe4 is a very promising high‐temperature candidate applied in next‐generation Radioisotope Thermoelectric Generators (RTGs). Conventional synthesis of such materials is based on the mechanochemical method, which makes the sample difficult to purify due to the high‐energy ball milling. In this report, a novel synthetic method is developed, which utilizes Te‐vapor transport and solid‐phase diffusion to efficiently produce the RE3‐xTe4 phases (RE = La, Ce, Pr, Nd). Notably, this method obviates the requireme… Show more
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