Katherina V. Terebilenko

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The conditions of synthesis and luminescence characteristics of composites Al<sub>2</sub>O<sub>3</sub>:Cr<sup>3+</sup>/NaAl(MoO<sub>4</sub>)<sub>2</sub>:Cr<sup>3+</sup> obtained from molybdate high-temperature solutions have been studied. The influence of the impurity Cr<sup>3+</sup> ions on crystallization regions in the molten system Na-Al-Mo-O has been(More)
The polycrystalline samples of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> were synthesized by spontaneous crystallization method. The photoluminescence (PL) spectroscopy studies of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> are carried out under the VUV synchrotron excitations. The electronic structure of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub>(More)
The synthetic conditions of BiVO<sub>4</sub>:Mo crystallization in the molten salts of K-Bi-V-Mo-O have been studied. The compound crystallizes in the monoclinic system, space group I2/a, with unit cell parameters a = 5.1153(3), b = 11.7012(1), c = 5.1878(1) &#x212B;, &#x03B2; = 90.24(1)&#x00B0;, Z = 4 representing scheelite-related structure. The formula(More)
The origin of intrinsic luminescence and mechanisms of excitation energy transfer in undoped K<sub>2</sub>Bi(WO<sub>4</sub>)(PO<sub>4</sub>) and K<sub>6.5</sub>Bi<sub>2.5</sub>W<sub>4</sub>P<sub>6</sub>O<sub>34</sub> crystals are revealed in complex experimental and computational studies. The photoluminescence (PL) properties are studied under the VUV(More)
The main crystallization trends of complex oxide compounds of yttrium and calcium from potassium phosphate-molybdate melts have been studied. The regions of formation K<sub>3</sub>Y(PO<sub>4</sub>)<sub>2</sub>, YPO<sub>4</sub>, KCaY(PO<sub>4</sub>)<sub>2</sub> and K<sub>2</sub>CaP<sub>2</sub>O<sub>7</sub> from high-temperature solutions of K-Ca-Y-P-Mo-O(More)
The photoluminescence properties of undoped Al(PO<sub>3</sub>)<sub>3</sub> crystals synthesized by flux method are studied under VUV synchrotron excitations. The electronic structure of Al(PO<sub>3</sub>)<sub>3</sub> crystals is calculated by the FLAPW method. The PL emission spectra of Al(PO<sub>3</sub>)<sub>3</sub> reveal emission bands in the violet and(More)
Single crystals of silver(I) polyphosphate(V), AgPO(3), were prepared via a phospho-ric acid melt method using a solution of Ag(3)PO(4) in H(3)PO(4). In comparison with the previous study based on single-crystal Weissenberg photographs [Jost (1961 ▶). Acta Cryst. 14, 779-784], the results were mainly confirmed, but with much higher precision and with all(More)
A new compound, dipotassium holmium(III) phosphate(V) tungstate(VI), K(2)Ho(PO(4))(WO(4)), has been obtained during investigation of the K(2)O-P(2)O(5)-WO(3)-HoF(3) phase system using the flux technique. The compound is isotypic with K(2)Bi(PO(4))(WO(4)). Its framework structure consists of flat (∞) (2)[HoPO(4)] layers parallel to (100) that are made up of(More)
Solid solutions KBi(MoO<sub>4</sub>)<sub>2</sub>:Eu<sup>3+</sup> have been prepared by solid state synthesis and characterized by powder X-ray diffraction. The structure of KBi(MoO<sub>4</sub>)<sub>2</sub> represents 3D framework built up from MoO<sub>4</sub> and BiO<sub>8</sub> species, while potassium cation has been found to share one position with(More)
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