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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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Stern, Raivo
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Reusable magnetic mixture of CuFe 2 O 4 -Fe 2 O 3 and TiO 2 for photocatalytic degradation of pesticides in watercitations
- 2023Interplay between Fe(II) and Fe(III) and Its Impact on Thermoelectric Properties of Iron-Substituted Colusites Cu26−xFexV2Sn6S32citations
- 2022Memory Effects in Nanolaminates of Hafnium and Iron Oxide Films Structured by Atomic Layer Depositioncitations
- 2020Atomic Layer Deposition of Nickel Nitride Thin Films using NiCl2(TMPDA) and Tert‐Butylhydrazine as Precursorscitations
- 2020Atomic Layer Deposition of Intermetallic Co3Sn2 and Ni3Sn2 Thin Filmscitations
- 2020Magnetic properties and resistive switching in mixture films and nanolaminates consisting of iron and silicon oxides grown by atomic layer depositioncitations
- 2020Atomic Layer Deposition and Performance of ZrO2-Al2O3 Thin Filmscitations
- 2020Behavior of nanocomposite consisting of manganese ferrite particles and atomic layer deposited bismuth oxide chloride filmcitations
- 2019Atomic Layer Deposition of Nickel Nitride Thin Films using NiCl2(TMPDA) and Tert‐Butylhydrazine as Precursorscitations
- 2019Atomic Layer Deposition of Intermetallic Co3Sn2 and Ni3Sn2 Thin Filmscitations
- 2019Magnetic and Electrical Performance of Atomic Layer Deposited Iron Erbium Oxide Thin Filmscitations
- 2018Properties of Atomic Layer Deposited Nanolaminates of Zirconium and Cobalt Oxidescitations
- 2018Atomic Layer Deposition of Zirconium Dioxide from Zirconium Tetraiodide and Ozonecitations
- 2018Atomic Layer Deposition and Performance of ZrO2-Al2O3 Thin Filmscitations
- 2018Atomic Layer Deposition and Properties of HfO2-Al2O3 Nanolaminatescitations
- 2018Atomic layer deposition and properties of ZrO2/Fe2O3 thin filmscitations
- 2016Bismuth iron oxide thin films using atomic layer deposition of alternating bismuth oxide and iron oxide layerscitations
- 2014Holmium and titanium oxide nanolaminates by atomic layer depositioncitations
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article
Interplay between Fe(II) and Fe(III) and Its Impact on Thermoelectric Properties of Iron-Substituted Colusites Cu26−xFexV2Sn6S32
Abstract
<jats:p>Following the trend of finding better thermoelectric materials among synthetic analogs of copper–chalcogenide minerals, we have synthesized iron-bearing colusites of a general formula Cu26−xFexV2Sn6S32. They crystallize in the cubic space group P-43n with the unit cell parameter increasing linearly with the iron content. At a low iron concentration, the crystal structure features disorder manifested by an anti-site effect and a shift of a part of the tin atoms from their ideal positions, which is absent for higher iron contents. The magnetization and 57Fe/119Sn Mössbauer studies showed that, for x = 1, iron is present as Fe3+, whereas for x > 1, Fe2+ and Fe3+ coexist. Additionally, weak antiferromagnetic interactions between iron atoms and fast on the 57Fe Mössbauer time scale (107–109 s−1) electron transfer between adjacent Fe2+ and Fe3+ centers were revealed. Thermoelectric studies showed that iron-bearing colusites are p-type semiconductors with low thermal conductivity stemming from their complex crystal structure and structural disorder. The highest ZT of 0.78 at 700 K was found for the x = 1 iron content, where iron is present as Fe3+ only.</jats:p>