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Abstract
We report details on the synthesis and properties of barium praseodymium tungstate, Ba2PrWO6, a double perovskite that has not been synthesized before. Room-temperature (RT) powder X-ray diffraction identified the most probable space group (SG) as monoclinic I2/m, but it was only slightly distorted from the cubic structure. X-ray photoelectron spectroscopy confirmed that the initial (postsynthesis) material contained praseodymium in both 3+ and 4+ charge states. The former (Pr3+) disappeared after exposure to UV light at RT. Photoluminescence studies of Pr3+ revealed that Ba2PrWO6 is an insulator with a band gap exceeding 4.93 eV. Pressure-dependent Raman spectroscopy excluded the possibility of a phase transition up to 20 GPa; however, measurements between 8 and 873 K signified that there might be a change toward the lower symmetry SG below 200 K. Electron paramagnetic resonance spectra revealed the presence of interstitial oxygen which acts as a deep electron trap.
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Authors (18)
-
Damian Włodarczyk
-
Mikolaj Amilusik
-
Katarzyna M. Kosyl
-
Maciej Chrunik
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Krystyna Ławniczak-Jabłońska
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Hanka Przybylińska
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Lev-Ivan Bulyk
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Volodymyr Tsiumra
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Rajibul Islam
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Carmine Autieri
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Fei Xue
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Marcin Zając dr inż,
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Anastasiia Lysak
-
Roman Minikayev
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Michal Bockowski
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Andrzej Suchocki
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
INORGANIC CHEMISTRY
no. 63,
pages 10194 - 10206,
ISSN: 0020-1669 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Włodarczyk D., Amilusik M., Kosyl K. M., Chrunik M., Ławniczak-Jabłońska K., Przybylińska H., Kosmela P., Strankowski M., Bulyk L., Tsiumra V., Islam R., Autieri C., Xue F., Zając M., Lysak A., Minikayev R., Bockowski M., Suchocki A.: Synthesis and Properties of the Ba2PrWO6 Double Perovskite// INORGANIC CHEMISTRY -, (2024),
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acs.inorgchem.4c00567
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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