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Open AccessArticle

High-Pressure Synthesis, Crystal Structure, and Photoluminescence Properties of β-Y2B4O9:Eu3+

1
Institut für Allgemeine, Anorganische und Theoretische Chemie, Universität Innsbruck, Innrain 80–82, 6020 Innsbruck, Austria
2
Fachbereich Chemieingenieurwesen, FH Münster, Stegerwaldstraße 39, 48565 Steinfurt, Germany
*
Author to whom correspondence should be addressed.
Inorganics 2019, 7(11), 136; https://doi.org/10.3390/inorganics7110136
Received: 14 October 2019 / Revised: 8 November 2019 / Accepted: 9 November 2019 / Published: 12 November 2019
(This article belongs to the Special Issue Oxido Compounds)
A high-pressure/high-temperature experiment at 7.5 GPa and 1673 K led to the formation of the new compound β-Y2B4O9. In contrast to the already known polymorph α-Y2B4O9, which crystallizes in the space group C2/c, the reported structure could be solved via single-crystal X-ray diffraction in the triclinic space group P 1 ¯ (no. 2) and is isotypic to the already known lanthanide borates β-Dy2B4O9 and β-Gd2B4O9. Furthermore, the photoluminescence of an europium doped sample of β-Y2B4O9:Eu3+ (8%) was investigated. View Full-Text
Keywords: crystal structure; europium; high-pressure chemistry; photoluminescence; yttrium borate crystal structure; europium; high-pressure chemistry; photoluminescence; yttrium borate
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MDPI and ACS Style

Fuchs, B.; Schröder, F.; Heymann, G.; Jüstel, T.; Huppertz, H. High-Pressure Synthesis, Crystal Structure, and Photoluminescence Properties of β-Y2B4O9:Eu3+. Inorganics 2019, 7, 136.

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