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The Synthesis, Structure, and Luminescent Properties of TmMgB5O10 Crystals.
Volkova, Elena A; Maltsev, Victor V; Antipin, Alexander M; Deyneko, Dina V; Nikiforov, Ivan V; Spassky, Dmitry A; Marchenko, Ekaterina I; Mitina, Diana D; Kosorukov, Vladimir L; Yapaskurt, Vasiliy O; Naprasnikov, Daniil A; Koporulina, Elizaveta V.
Afiliación
  • Volkova EA; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
  • Maltsev VV; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
  • Antipin AM; Shubnikov Institute of Crystallography of Federal Scientific Research Centre "Crystallography and Photonics", The Russian Academy of Sciences, 119333 Moscow, Russia.
  • Deyneko DV; Faculty of Chemistry, Moscow State University, 119991 Moscow, Russia.
  • Nikiforov IV; Faculty of Chemistry, Moscow State University, 119991 Moscow, Russia.
  • Spassky DA; Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Marchenko EI; Institute of Physics, University of Tartu, 50411 Tartu, Estonia.
  • Mitina DD; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
  • Kosorukov VL; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
  • Yapaskurt VO; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
  • Naprasnikov DA; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
  • Koporulina EV; Faculty of Geology, Moscow State University, 119991 Moscow, Russia.
Materials (Basel) ; 16(18)2023 Sep 06.
Article en En | MEDLINE | ID: mdl-37763362
TmMgB5O10 spontaneous crystals were synthesized via the 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 with an ideal not defected crystal structure 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 the 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. TmMgB5O10 solids demonstrate the thermal stability of photoluminescence.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2023 Tipo del documento: Article País de afiliación: Rusia Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2023 Tipo del documento: Article País de afiliación: Rusia Pais de publicación: Suiza