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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Alloys and Compounds for Thermoelectric and Solar Cell Applications X
Presentation Title Niobium Chalcogenides: Phases Stability and Transport Properties
Author(s) Franck Gascoin, Hugo Bouteiller, David Berthebaud, Sylvain Letonquesse, Takao MORI, Amélie Galodé, Louise Goodwin
On-Site Speaker (Planned) Franck Gascoin
Abstract Scope Our previous studies of complex chromium chalcogenides (Ch) in the pseudo hollandite structure type have led to the discovery of new phases and interesting features that triggered our interest to explore further other transition metal chalcogenides. In this presentation, our latest results on light transistion metal selenides and tellurides will be shown. For instance, the niobium rich part of the binary phase diagram Nb - Ch will be discussed in detail and the presence of a eutectoide transformation debated. In this system, we will present our synthesis strategy and we will also show the transport properties of some niobium rich phases that might be find their interest at very high temperature.
Proceedings Inclusion? Planned:
Keywords Energy Conversion and Storage, High-Temperature Materials,

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Enhanced Thermoelectric Performance of n-type Silver Chalcogenide with Excess Ag
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