Solid state phase equilibria in the Te-rich region of the RE (RE=Ce, Nd and Pr)–Sn–Te ternary systems

The electronic band structures of Ce 3 Te 4 have been studied using the first-principles density-functional theory calculations. It is found that the density of states of Ce 3 Te 4 has a very high delta-shaped peak appearing 0.21 eV above the Fermi level, which mainly comes from the f orbital electrons of the rare-earth element Ce. Using the simple theory proposed by Mahan and Sofo, ͓Proc. Natl. Acad. Sci. U.S.A. 93, 7436 ͑1996͔͒, we obtain an ideal value of zT= 13.5 for Ce 3 Te 4 at T = 1200 K, suggesting that the rare-earth chalcogenide Ce 3 Te 4 could be a promising high efficiency high temperature thermoelectric material.

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Solid state phase equilibria in the Te-rich region of the RE (RE=Ce, Nd and Pr)–Sn–Te ternary systems

Cited by 3 publications

References 15 publications

ChemInform Abstract: Solid State Phase Equilibria in the Te‐Rich Region of the RE (RE: Ce, Nd and Pr)—Sn—Te Ternary Systems.

ChemInform Abstract: Solid State Phase Equilibria in the Te‐Rich Region of the RE (RE: Ce, Nd and Pr)—Sn—Te Ternary Systems.

Phase diagram of Er-Sn-Te system for diluted magnetic semiconductor developments

Rare earth chalcogenide Ce3Te4 as high efficiency high temperature thermoelectric material

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