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Синтез, структура и люминесцентные свойства нового двойного бората K3Eu3B4O12

Синтез, структура и люминесцентные свойства нового двойного бората K3Eu3B4O12

Abstract

Установлено образование нового двойного бората K3Eu3B4O12. По данным уточнения кристаллической структуры методом Ритвельда соединение, кристаллизуется в моноклинной сингонии с параметрами элементарной ячейки a = 10.6727(7) Å, b = 8.9086(6) Å, c = 13.9684(9) Å, b = 110.388(2) ° (пр. гр. P2/c). Структура K3Eu3B4O12 представляет собой ажурные слои [Eu8(BO3)8]∞, расположенные почти параллельно плоскости ab, образованные пятиугольными бипирамидами EuO7, октаэдрами EuO6 и присоединенными к ним через общие вершины треугольниками BO3. Связьмежду соседними слоями осуществляется посредством пятиугольных бипирамид EuO7, треугольников BO3 и катионов калия. В спектре люминесценции наблюдается доминирование заметной полосы на длине волны 611 нм, обусловленной переходом 5D0→7F2 иона Eu3+. ЛИТЕРАТУРА 1. Xie Z., Mutailipu M., He G., Han G., Wang Y., Yang Z., Zhang M., Pan S. A series of rare-earth boratesK7MRE2B15O30 (M = Zn, Cd, Pb; RE = Sc, Y, Gd, Lu) with large second harmonic generation responses. Chemistry of Materials. 2018;30 (7): 2414–2423. DOI: https://doi.org/10.1021/acs.chemmater.8b004912. Mutailipu M., Xie Z., Su X., Zhang M., Wang Y., Yang Z., Janjua M. R. S. A., Pan S. Chemical cosubstitution-oriented design of rare-earth borates as potential ultraviolet nonlinear optical materials. Journal of theAmerican Chemical Society. 2017;139(50): 18397–18405. DOI: https://doi.org/10.1021/jacs.7b112633. Atuchin V. V., Subanakov A. K., Aleksandrovsky A. S., Bazarov B. G., Bazarova J. G., DorzhievaS. G., Gavrilova T. A., Krylov A. S., Molokeev M. S., Oreshonkov A. S., Pugachev A. M., Tushinova Yu. L.,Yelisseyev A. P. Exploration of structural, thermal, vibrational and spectroscopic properties of new noncentrosymmetric double borate Rb3NdB6O12. Advanced Powder Technology. 2017;28(5): 1309–1315. DOI:https://doi.org/10.1016/j.apt.2017.02.0194. Atuchin V. V., Subanakov A. K., Aleksandrovsky A. S., Bazarov B. G., Bazarova J. G., GavrilovaT. A., Krylov A. S., Molokeev M. S., Oreshonkov A. S., Stefanovich S. Yu. Structural and spectroscopic propertiesof new noncentrosymmetric selfactivated borate Rb3EuB6O12 with B5O10 units. Materials & Design.2018;140: 488–494. DOI: https://doi.org/10.1016/j.matdes.2017.12.0045. Subanakov A. K., Kovtunets E. V., Bazarov B. G., Dorzhieva S. G., Bazarova J. G. New double holmiumborates: Rb3HoB6O12 and Rb3Ho2B3O9. Solid State Sciences. 2020;105: 106231. DOI: https://doi.org/10.1016/j.solidstatesciences.2020.1062316. Zhao J., Zhao D., Liu B.-Z., Xue Y.-L., Fan Y.-P., Zhang S.-R., Zong Q. K3Gd3B4O12: a new member ofrare-earth orthoborate for luminescent host matrix. Journal of Materials Science: Materials in Electronics.2018;29(24): 20808–20819. DOI: https://doi.org/10.1007/s10854-018-0223-67. Bruker AXS TOPAS V4: General profi le and structure analysis software for powder diffraction data. User’sManual. Bruker AXS, Karlsruhe, Germany, 2008. 68 p. 8. Järvinen M. Application of symmetrized harmonics expansion to correction of the preferred orientationeffect. Journal of Applied Crystallography. 1993;26(4): 525–531. DOI: https://doi.org/10.1107/S00218898930012199. Tanner P. A. Some misconceptions concerning the electronic spectra of tri-positive europium andcerium. Chemical Society Reviews. 2013;12: 5090 DOI: https://doi.org/10.1039/c3cs60033e10. Zhao D., Ma F.-X., Wu Z.-Q., Zhang L., Wei W., Yang J., Zhang R.-H., Chen P.-F., Wu S.-X. Synthesis,crystal structure and characterizations of a new red phosphor K3EuB6O12. Materials Chemistry and Physics.2016;182: 231–236. DOI: https://doi.org/10.1016/j.matchemphys.2016.07.027

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold