biostudies-literatureChen XNational Natural Science Foundation of ChinaNational Key Research and Development Program of China6270-6284https://www.ebi.ac.uk/biostudies/studies/S-EPMC10875415biostudies-literatureUnknown14(9)Single crystals of two new terbium oxyborates Ba₄BiTbO(BO₃)₄ and Ba_1.54Sr_2.46BiTbO(BO₃)₄ were obtained by the high-temperature solution method. They crystallize in the hexagonal <i>P</i>6₃/<i>mmc</i> group (<i>Z</i> = 2) with lattice parameters of <i>a</i> = 5.41865(9) Å, <i>c</i> = 26.3535(5) Å, <i>V</i> = 670.12(3) ų and <i>a</i> = 5.36534(19) Å, <i>c</i> = 26.0661(10) Å, <i>V</i> = 649.83(5) ų, respectively. Their crystal structures feature two kinds of layers: [Tb(BO₃)₂]_<i>n</i>^3<i>n</i>- formed by corner-sharing TbO₆ octahedra and BO₃ triangles, as well as [Bi(BO₃)₂O]_<i>n</i><sRSC advancesTwo new rare-earth oxyborates Ba₄BiTbO(BO₃)₄ and Ba_1.54Sr_2.46BiTbO(BO₃)₄ and luminescence properties of the Ba₄BiTb_1-<i>x</i>Eu_<i>x</i>O(BO₃)₄ phosphors.PMC10875415921631072021YFB3501502Xiao WChen XYuan XSong XfalseTwo new rare-earth oxyborates Ba₄BiTbO(BO₃)₄ and Ba_1.54Sr_2.46BiTbO(BO₃)₄ and luminescence properties of the Ba₄BiTb_1-<i>x</i>Eu_<i>x</i>O(BO₃)₄ phosphors.Single crystals of two new terbium oxyborates Ba₄BiTbO(BO₃)₄ and Ba_1.54Sr_2.46BiTbO(BO₃)₄ were obtained by the high-temperature solution method. They crystallize in the hexagonal <i>P</i>6₃/<i>mmc</i> group (<i>Z</i> = 2) with lattice parameters of <i>a</i> = 5.41865(9) Å, <i>c</i> = 26.3535(5) Å, <i>V</i> = 670.12(3) ų and <i>a</i> = 5.36534(19) Å, <i>c</i> = 26.0661(10) Å, <i>V</i> = 649.83(5) ų, respectively. Their crystal structures feature two kinds of layers: [Tb(BO₃)₂]_<i>n</i>^3<i>n</i>- formed by corner-sharing TbO₆ octahedra and BO₃ triangles, as well as [Bi(BO₃)₂O]_<i>n</i><s2024-01-01T00:00:00Z2024 Feb2026-03-16T09:59:57.94Z2025-04-05T23:49:06.033ZS-EPMC108754153837501710.1039/d3ra08265b