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Inorganics 2018, 6(3), 94; https://doi.org/10.3390/inorganics6030094

New Mixed Y0.5R0.5VO4 and RVO4:Bi Materials: Synthesis, Crystal Structure and Some Luminescence Properties

1
Semiconductor Electronics Department, Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine
2
Natural Sciences College, Ivan Franko National University of Lviv, 79016 Lviv, Ukraine
3
Deparment of Experimental Physics, Ivan Franko National University of Lviv, 79016 Lviv, Ukraine
4
Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02 668 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Received: 25 July 2018 / Revised: 10 August 2018 / Accepted: 7 September 2018 / Published: 10 September 2018
(This article belongs to the Special Issue Mixed Metal Oxides)
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Abstract

The results are reported on a precise crystal structure and microstructure determination of new mixed YVO4-based orthovanadates of Y0.5R0.5VO4 (R = Sm, Tb, Dy, Ho, Tm, Yb, Lu) as well as some Bi3+-doped RVO4 (R = La, Gd, Y, Lu) nano- (submicro-) materials. The formation of continuous solid solutions in the YVO4RVO4 pseudo-binary systems (R = Sm, Tb, Dy, Ho, Tm, Yb, Lu) has been proved. The lattice constants and unit cell volumes of the new mixed orthovanadates were analyzed as a function of R3+ cation radius. The impact of crystal structure parameters on the energy band gap of the materials was studied by means of photoluminescence studies of the Bi3+-doped compounds. View Full-Text
Keywords: mixed orthovanadates; RVO4; Bi3+; crystal structure; microstructure; photoluminescence mixed orthovanadates; RVO4; Bi3+; crystal structure; microstructure; photoluminescence
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Vasylechko, L.; Tupys, A.; Hreb, V.; Tsiumra, V.; Lutsiuk, I.; Zhydachevskyy, Y. New Mixed Y0.5R0.5VO4 and RVO4:Bi Materials: Synthesis, Crystal Structure and Some Luminescence Properties. Inorganics 2018, 6, 94.

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