Инд. авторы:	Kononova N.G., Shevchenko V.S., Kokh A.E., Bolatov A.K., Uralbekov B.M., Burkitbayev M.M., Abdullin K.A.
Заглавие:	Synthesis of two new orthoborates KBaPr(BO3)2 and KBaNd(BO3)2
Библ. ссылка:	Kononova N.G., Shevchenko V.S., Kokh A.E., Bolatov A.K., Uralbekov B.M., Burkitbayev M.M., Abdullin K.A. Synthesis of two new orthoborates KBaPr(BO3)2 and KBaNd(BO3)2 // Crystal Research and Technology. - 2017. - Vol.52. - Iss. 8. - Art.1700024. - ISSN 0232-1300. - EISSN 1521-4079.
Внешние системы:	DOI: 10.1002/crat.201700024; РИНЦ: 31041858; SCOPUS: 2-s2.0-85021131840; WoS: 000408320000011;
Реферат:	eng: Two new rare-earth orthoborates KBaPr(BO3)2 and KBaNd(BO3)2 were synthesized using a two-step solid-state reaction, both of them are stable in the temperature range 850–1000°C. KBaNd(BO3)2 and KBaPr(BO3)2 show incongruent melting at 1019°С and 1005°С, respectively. Prepared compounds crystallize in the trigonal system with space group R (Formula presented.) m with cell parameters of а = 5.5052(12) Å, с = 18.402(8) Å, Z = 3 for KBaPr(BO3)2 and cell parameters of а = 5.4956(5) Å, с = 18.278(3) Å, Z = 3 for KBaNd(BO3)2. These new borates continue the previously described line of isostructural three-cation orthoborates KBaY(BO3)2 and KBaR(BO3)2, by R = Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu. The identity of the intensity and position of the bands in the IR spectra confirm that these compounds are isostructural and have high degree of homogeneity. A red emission centered at 700–740 nm under UV excitation was observed for synthesized KBaPr(BO3)2 powder. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Ключевые слова:	Two-step solid-state reactions; Trigonal system; Temperature range; Solid-state synthesis; Rare earth orthoborates; Ortho-borates; IR spectrum; Cell parameter; Solid state reactions; Luminescence; solid-state synthesis; rare-earth orthoborates; luminescence; IR spectra; Ternary alloys;
Издано:	2017
Физ. характеристика:	1700024