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Crystal structure re-determination, spectroscopy, and photoluminescence of π-YBO3:Eu3+

Title data

Fuchs, Birgit ; Schroeder, Franziska ; Heymann, Gunter ; Siegel, Renée ; Senker, Jürgen ; Juestel, Thomas ; Huppertz, Hubert:
Crystal structure re-determination, spectroscopy, and photoluminescence of π-YBO3:Eu3+.
In: Zeitschrift für anorganische und allgemeine Chemie. (14 September 2021) .
ISSN 1521-3749
DOI: https://doi.org/10.1002/zaac.202100229

Abstract in another language

To unambiguously clarify the long-debated crystal structure of the low-temperature orthoborate pi-YBO3, single-crystals of the europium-doped pi-YBO3:Eu3+ were prepared via a high-pressure/high-temperature route at 7.5 GPa and 1400 degrees C. The structure was solved and refined in the monoclinic space group C2/c (no. 15) in the pseudowollastonite structure type, with the lattice parameters a=11.3407(5), b=6.5501(3), c=9.5798(4) angstrom, and beta=113.08(2)degrees. This structure determination was corroborated by powder X-ray diffraction and vibrational spectroscopy. B-11 as well as Y-89 MAS NMR spectroscopy was used to verify that our results are also accurate for the undoped pi-YBO3 and samples with varying europium content prepared under ambient pressure conditions. Additionally, the luminescence properties of the Eu3+ doped pi-orthoborate were determined in comparison with these ambient-pressure samples.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry III > Chair Inorganic Chemistry III - Univ.-Prof. Dr. Jürgen Senker
Research Institutions > Research Centres > Nordbayerisches Zentrum für NMR-Spektroskopie - NMR-Zentrum
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 13 Oct 2021 08:18
Last Modified: 13 Oct 2021 08:19
URI: https://eref.uni-bayreuth.de/id/eprint/67305