Ultrahigh zT from strong electron–phonon interactions and a low-dimensional Fermi surface
Energy & Environmental Science2024Vol. 17(5), pp. 1904–1915
Citations Over TimeTop 11% of 2024 papers
V.K. Ranganayakulu, Te‐Hsien Wang, Cheng‐Lung Chen, Angus Huang, Ma‐Hsuan Ma, Chun‐Min Wu, Wei-Han Tsai, Tsu‐Lien Hung, Min‐Nan Ou, Horng‐Tay Jeng, Chih‐Hao Lee, K.H. Chen, Wen‐Hsien Li, Madison K. Brod, G. Jeffrey Snyder, Yang-Yuan Chen
Abstract
An ultrahigh zT of 2.7 at 700 K is achieved in a (Ge 0.86 Sb 0.08 Bi 0.06 )Te single crystal. This outstanding performance is attributed to one-dimensional-like electronic structure and the resulting strong electron–phonon interaction.
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