Synthesis, Structural and Luminescent Properties of TmMgB5O10 Crystals

Elena A. Volkova; Victor V. Maltsev; Alexander M. Antipin; Dina V. Deineko; Ivan V. Nikiforov; Ekaterina I. Marchenko; Diana D. Mitina; Vladimir L. Kosorukov; Vasiliy O. Yapaskurt; Daniil A. Naprasnikov; Elizaveta . V Koporulina

doi:10.20944/preprints202308.2036.v1

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preprints.org > chemistry and materials science > materials science and technology > doi: 10.20944/preprints202308.2036.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Synthesis, Structural and Luminescent Properties of TmMgB5O10 Crystals

^* ,

Ekaterina I. Marchenko

Diana D. Mitina

Vladimir L. Kosorukov

Vasiliy O. Yapaskurt

Daniil A. Naprasnikov

Elizaveta . V Koporulina

Version 1 : Received: 29 August 2023 / Approved: 29 August 2023 / Online: 30 August 2023 (08:58:17 CEST)

A peer-reviewed article of this Preprint also exists.

Volkova, E.A.; Maltsev, V.V.; Antipin, A.M.; Deyneko, D.V.; Nikiforov, I.V.; Spassky, D.A.; Marchenko, E.I.; Mitina, D.D.; Kosorukov, V.L.; Yapaskurt, V.O.; Naprasnikov, D.A.; Koporulina, E.V. The Synthesis, Structure, and Luminescent Properties of TmMgB₅O₁₀ Crystals. Materials 2023, 16, 6084. Volkova, E.A.; Maltsev, V.V.; Antipin, A.M.; Deyneko, D.V.; Nikiforov, I.V.; Spassky, D.A.; Marchenko, E.I.; Mitina, D.D.; Kosorukov, V.L.; Yapaskurt, V.O.; Naprasnikov, D.A.; Koporulina, E.V. The Synthesis, Structure, and Luminescent Properties of TmMgB5O10 Crystals. Materials 2023, 16, 6084.

Abstract

TmMgB5O10 spontaneous crystals were synthesized via flux-growth technique from a K2Mo3O10-based solvent. The crystal structure of the compound was solved and refined within the space group P21/n. The first principles calculations of the electronic structure reveal that TmMg-pentaborate is an insulator with an indirect energy band gap of approximately 6.37 eV. Differential scanning calorimetry measurements and powder X-ray diffraction studies of heat-treated solids show that TmMgB5O10 is an incongruent melting compound. A characteristic band of Tm3+ cation corresponding to the 3H6 → 1D2 transition is observed in the photoluminescence excitation spectra of TmMg-borate. The as-obtained crystals exhibit intense blue emission with the emission peaks centered at 455, 479, 667 and 753 nm. The most intensive band corresponds to the 1D2 3F4 transition.

Keywords

borates; flux growth; crystal structure; electronic band; differential scanning calorimetry; photoluminescence

Subject

Chemistry and Materials Science, Materials Science and Technology

Copyright: 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.

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