Browsing Cietvielu fizikas institūts / Institute of Solid State Physics by Author "Venevtsev, Ivan"

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    • Exciton interaction with Ce3+ and Ce4+ ions in (LuGd)3(Ga,Al)5O12 ceramics 

      Khanin, Vasilii; Venevtsev, Ivan; Chernenko, Kirill; Pankratov, Vladimir; Klementiev, Konstantin; van Swieten, Thomas; van Bunningen, Arnoldus J.; Vrubel, Ivan; Shendrik, Roman; Ronda, Cees; Rodnyi, Piotr; Meijerink, Andries (Elsevier B.V., 2021)
      Scintillators based on Ce-doped garnets are regularly co-doped with Mg2+ or Ca2+ to form Ce ions in 4+ state and reduce undesired afterglow. However overly high Ce4+ concentration leads to poor light yield performance. In ...

    • Ultrafast luminescence of Ga- and In-doped ZnO ceramics 

      Rodnyi, Piotr; Venevtsev, Ivan; Gorokhova, Elena; Eron'ko, Sergei; Chizhov, Artem; Muktepavela, Faina (Elsevier, 2021)
      In the presented work we compare luminescence characteristics of ZnO:Ga and ZnO:In ceramics prepared by hot uniaxial pressing method. Two types of initial powders were used. The first one was nanosized powder prepared by ...