Synthesis and Basic Properties of Y 1−x Yb x VO 4 Obtained by High-Energy Ball Milling and High-Temperature Treatment

Mateusz Piz (), Elżbieta Filipek, Daniel Klukowski and Paweł Kochmański
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Mateusz Piz: Department of Inorganic and Analytical Chemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, al. Piastów 42, 71-065 Szczecin, Poland
Elżbieta Filipek: Department of Inorganic and Analytical Chemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, al. Piastów 42, 71-065 Szczecin, Poland
Daniel Klukowski: Department of Geoinformatics, Faculty of Navigation, Maritime University of Szczecin, Wały Chrobrego 1-2, 70-500 Szczecin, Poland
Paweł Kochmański: Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology in Szczecin, al. Piastów 19, 70-310 Szczecin, Poland

Sustainability, 2023, vol. 15, issue 19, 1-17

Abstract: The main objective of this work was to experimentally confirm that a continuous, substitutional solid solution of a general formula Y 1−x Yb x VO 4 is formed in the pseudo-binary system YVO 4 –YbVO 4 , and to investigate its basic unknown properties as a function of composition for 0.00 < x < 1.00. To date, such a solid solution has been obtained and characterized to a limited extent, but only for a few selected compositions. This solution was obtained by a high temperature and, for the first time, using mechanochemical methods. For the solution obtained by the high-energy ball-milling method, unknown physicochemical properties were established over its entire range of homogeneity. The solution was synthesized from mixtures of yttrium orthovanadate (V) with ytterbium (III) orthovanadate (V) of different compositions and investigated by XRD, IR, SEM, and UV-Vis(DRS) methods. It was found that Y 1−x Yb x VO 4 crystallizes in a tetragonal system. The results confirmed that the solid solution Y 1−x Yb x VO 4 has a structure of YVO 4 and YbVO 4 , and its structure is composed of YbO 6 and YO 6 octahedrons and VO 4 tetrahedrons. Moreover, if the parameter (x) in the solid solution Y 1−x Yb x VO 4 increases, its crystalline lattice contracts and the value of the energy gap decreases. This solid solution is stable in the air atmosphere at least up to ~1500 °C. The estimated band gap for this solid solution indicates that it belongs to the semiconductors.

Keywords: solid solution Y 1−x Yb x VO 4; mechanochemical synthesis; XRD; UV-VIS/DRS; semiconductors (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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