Spectral-Luminescent Properties of Terbium-Containing Zirconomolybdates

  • Bair G. Bazarov Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanovoy, Ulan-Ude 670047, Republic of Buryatia, Russian Federation; Banzarov Buryat State University, 24a ul. Smolina, Ulan-Ude 670000, Republic of Buryatia, Russian Federation https://orcid.org/0000-0003-1712-6964
  • Roman Yu. Shendrik Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences, 1a ul. Favorskogo, Irkutsk 664033, Russian Federation; Irkutsk State University, 20 bulvar Gagarina, Irkutsk 664003, Russian Federation https://orcid.org/0000-0001-6810-8649
  • Yunna L. Tushinova Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanovoy, Ulan-Ude 670047, Republic of Buryatia, Russian Federation; Banzarov Buryat State University, 24a ul. Smolina, Ulan-Ude 670000, Republic of Buryatia, Russian Federation https://orcid.org/0000-0003-1032-8854
  • Dmitriy O. Sofich Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences, 1a ul. Favorskogo, Irkutsk 664033, Russian Federation https://orcid.org/0000-0002-2836-3597
  • Jibzema G. Bazarova Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanovoy, Ulan-Ude 670047, Republic of Buryatia, Russian Federation https://orcid.org/0000-0002-1231-0116
Keywords: solid-phase synthesis, luminescence, terbium-containing zirconomolybdate.

Abstract

To date, double molybdates of mono- and tetravalent elements have been comprehensively studied, and systems with molybdates of mono- and trivalent elements have been studied quite thoroughly. Some materials based on double molybdates, for example, those containing lanthanides, are considered promising for laser technology and electronics. Meanwhile, there is limited information on the properties, especially optical ones, of the molybdates containing rare-earth elements and zirconium. The aim of this work was to study the luminescent properties of self-activated terbium-containing
zirconomolybdates with the compositions Tb2Zr3(MoO4)9 (1:3) and Tb2Zr(MoO4)5 (1:1), crystallising in two different structural types.
Powder samples of the studied molybdates were synthesised by ceramic technology. The absorption, excitation, and emission spectra were measured using a Perkin Elmer Lambda 950 spectrophotometer. Luminescence was excited by a 250 W DKSSh-250 xenon lamp through an MDR-2 monochromator and recorded using an SDL-1 double monochromator with a grating of 600 lines/mm. The optical properties of new zirconium molybdates containing Tb3+ ions were studied. They revealed bright luminescence in the green spectral region due to the transitions inside the 4f shell of the rare-earth Tb3+ ion, excited
both in the bands associated with the 4f-4f transitions and in the band with a charge transfer. The observed spectral lines as well as luminescence and excitation bands were identifi ed.
It was shown that the position of the wide excitation band associated with the “charge transfer” transitions from O2– in MoO42– groups via Mo–O bonds to luminescent centres (Tb3+) does not depend on the matrix structure. The structure and intensity of the observed spectral lines, indicating a low symmetry of the Tb3+ crystalline environment, correlate with the structural analysis data. The results obtained in this work can be used when creating promising phosphors in the greenspectral region under ultraviolet excitation.

 

 

 

 

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Author Biographies

Bair G. Bazarov, Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanovoy, Ulan-Ude 670047, Republic of Buryatia, Russian Federation; Banzarov Buryat State University, 24a ul. Smolina, Ulan-Ude 670000, Republic of Buryatia, Russian Federation

DSc in Physics and Mathematics,
Leading Researcher, Laboratory of Oxide Systems
Baikal Institute of Nature Management, Siberian
Branch of the Russian Academy of Sciences (BINM SB
RAS), Associate Professor at the Department of
Inorganic and Organic chemistry, Banzarov Buryat
State University, Ulan-Ude, Russian Federation; email:
bazbg@rambler.ru.

Roman Yu. Shendrik, Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences, 1a ul. Favorskogo, Irkutsk 664033, Russian Federation; Irkutsk State University, 20 bulvar Gagarina, Irkutsk 664003, Russian Federation

PhD, Senior Researcher of
Single Crystal Lab, A. P. Vinogradov Institute of
Geochemistry Siberian Branch of the Russian Academy
of Sciences, Irkutsk, Russian Federation, e-mail
r.shendrik@gmail.com.

Yunna L. Tushinova, Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanovoy, Ulan-Ude 670047, Republic of Buryatia, Russian Federation; Banzarov Buryat State University, 24a ul. Smolina, Ulan-Ude 670000, Republic of Buryatia, Russian Federation

PhD in Chemistry, Researcher
Fellow, Laboratory of Oxide Systems, Baikal Institute
of Nature Management, Siberian Branch of the Russian
Academy of Sciences, Associate Professor at the
Department of Inorganic and Organic Chemistry,
Banzarov Buryat State University, Ulan-Ude, Russian
Federation; e-mail: tushinova@binm.ru.

Dmitriy O. Sofich, Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences, 1a ul. Favorskogo, Irkutsk 664033, Russian Federation

Junior Researcher of Single
Crystal lab, A. P. Vinogradov Institute of Geochemistry,
Siberian Branch of the Russian Academy of Sciences,
Irkutsk, Russia Federation, e-mailsofi ch-dmitriy@live.com.

Jibzema G. Bazarova, Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanovoy, Ulan-Ude 670047, Republic of Buryatia, Russian Federation

DSc in Chemistry, Chief
Scientist, Laboratory of Oxide Systems, Baikal Institute
of Nature Management, Siberian Branch of the Russian
Academy of Sciences, Ulan-Ude, , Russian Federation;
e-mail Jbaz@binm.ru.

Published
2020-06-25
How to Cite
Bazarov, B. G., Shendrik, R. Y., Tushinova, Y. L., Sofich, D. O., & Bazarova, J. G. (2020). Spectral-Luminescent Properties of Terbium-Containing Zirconomolybdates. Kondensirovannye Sredy I Mezhfaznye Granitsy = Condensed Matter and Interphases, 22(2), 197-203. https://doi.org/10.17308/kcmf.2020.22/2831
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