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27 novembre 2019

XBi4S7 (X = Mn, Fe) : New Cost-Efficient Layered n-Type Thermoelectric Sulfides with Ultralow Thermal Conductivity

Ultralow thermal conductivity is reported in new cost-efficient n-type layered XBi4S7 (X = Mn, Fe) thermoelectric materials. The complex layered crystal structure, exhibiting a multiband electronic structure and ultralow thermal conductivity, favors high thermoelectric performance.
J-B. Labégorre, A. Virfeu, A. Bourhim, H. Willeman, T. Barbier, F. Appert, J. Juraszek, B. Malaman, A. Huguenot, R. Gautier, V. Nassif, P. Lemoine, C. Prestipino, E. Elkaim, L. Pautrot-d’Alençon, T. Le Mercier, A. Maignan, R. Al Rahal Al Orabi, E. Guilmeau
Adv. Funct. Mater. 29 (2019) 1904112

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