| People | Locations | Statistics |
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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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Zagorac, Jelena
Vienna Institute for Nature Conservation & Analyses
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Data-driven discovery and DFT modeling of Fe4H on the atomistic levelcitations
- 2023Synthesis and characterization of high-entropy A2B2O7 pyrochlore with multiple elements at A and B sitescitations
- 2023Heavily doped high-entropy A2B2O7 pyrochlorecitations
- 2023Characterization of High-Entropy A2B2O7 Pyrochlore Obtained via Combustion Synthesis and Post-Calcination
- 2022Synthesis, Characterization, and Electronic Properties of ZnO/ZnS Core/Shell Nanostructures Investigated Using a Multidisciplinary Approachcitations
- 2022Fabrication and characterization of high entropy pyrochlore ceramics
- 2022Crystal structure prediction of novel Cr2SiN4 compound under extreme conditions
- 2022Mechanical and elastic properties of SiB6: Theoretical investigations through ab initio calculations
- 2019First principle investigation of Al1-xBxN solid solution
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article
Synthesis and characterization of high-entropy A2B2O7 pyrochlore with multiple elements at A and B sites
Abstract
<jats:p>Single nano high-entropy pyrochlore-type compound (A2B2O7) with 7 differentrare-earth cations at site A and 3 different metal cations at site B withequiatomic amounts (7A1/7)2(3B1/3)2O7 is successfully obtained. The powderwith nominal composition(La1/7Sm1/7Nd1/7Pr1/7Y1/7Gd1/7Yb1/7)2(Sn1/3Hf1/3Zr1/3)2O7 was fabricated byreacting metal nitrates (site A) and metal chlorides (site B) with glycineduring the combustion reaction. The XRD analysis revealed that the powderattained during synthesis is in an amorphous state. To inducecrystallization of the obtained pyrochlore structure, the post-calcinationprocess at 600-1500?C was conducted and studied. Results of this studyshowed that the monophase pyrochlore (A2B2O7) structure is obtained duringthe calcination at 900?C. The high-density ceramic pellet with 97% oftheoretical density and free of any additives was obtained throughpressureless sintering at 1650?C for 4 h in the air using the powdercalcined at 900?C.</jats:p>