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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kovnir, Kirill
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024PbSe Quantum Dot Superlattice Thin Films for Thermoelectric Applicationscitations
- 2023Large-scale colloidal synthesis of chalcogenides for thermoelectric applicationscitations
- 2022High Seebeck coefficient from screen-printed colloidal PbSe nanocrystals thin filmcitations
- 2021Large-scale synthesis of semiconducting Cu(In,Ga)Se2 nanoparticles for screen printing applicationcitations
- 2021Compositional fluctuations mediated by excess tellurium in bismuth antimony telluride nanocomposite yields high thermoelectric performancecitations
- 2020Synergistic Computational-Experimental Discovery of Highly Selective PtCu Nanocluster Catalysts for Acetylene Semihydrogenationcitations
- 2020Scalable colloidal synthesis of Bi 2 Te 2.7 Se 0.3 plate-like particles give access to a high-performing n-type thermoelectric material for low temperature applicationcitations
- 2019Superstructural ordering in hexagonal CuInSe2 nanoparticlescitations
- 2018The Smaller the Better Hosting Trivalent Rare-Earth Guests in Cu-P Clathrate Cagescitations
- 2017High-efficiency thermoelectric Ba8Cu14Ge6P26 bridging the gap between tetrel-based and tetrel-free clathratescitations
- 2009Cationic Clathrate I Si46-xPxTey (6.6(1) < y < 7.5(1), x < 2y) : Crystal Structure, Homogeneity Range, and Physical Propertiescitations
- 2008The first silicon-based cationic clathrate III with high thermal stability: Si172-xPxTey (x=2y, y>20).citations
- 2007Sn20.5□3.5As22I8: A Largely Disordered Cationic Clathrate with a New Type of Superstructure and Abnormally Low Thermal Conductivitycitations
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article
The first silicon-based cationic clathrate III with high thermal stability: Si172-xPxTey (x=2y, y>20).
Abstract
A new representative of a very rare clathrate III family, Si130P42Te21, has been synthesized from the elements. It crystallizes in the tetragonal space group P4(2)/mnm (no. 136) with the unit cell parameters a=19.2632(3) angstroms, c=10.0706(2) angstroms. Single crystal X-ray diffraction and solid state 31P NMR revealed a non-random distribution of phosphorus atoms over the framework positions. The crystal structure features a peculiar packing of large polyhedra Te@(Si/P)(n) never observed before for cationic clathrates. Despite the structural complexity, the composition of the novel clathrate Is in accordance with the Zintl rule, which was confirmed by a combination of optical metallography, scanning electron microscopy (SEM) and wavelength dispersive X-ray spectroscopy (WDXS), as well as by diamagnetic and semiconducting behavior of the synthesized phase. Clathrate Si130P42Te21 exhibits the highest reported thermal stability for this class of materials, it decomposes at 1510 K. This opens new perspectives for the creation of clathrate-based materials for high-temperature applications.