Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Dmitry Spassky"'
Publikováno v:
Symmetry, Vol 15, Iss 3, p 749 (2023)
The luminescence properties of NASICON-type Na3.6M1.8(PO4)3 (M = Y, Lu) and Na3Sc2(PO4)3 phosphates, undoped and rare earth-doped (RE = Tb3+, Dy3+, Eu3+, Ce3+), were studied using synchrotron radiation in a wide energy region of 4.5–45 eV. Intrinsi
Externí odkaz:
https://doaj.org/article/717e096992ce4057a238978bc156f30a
Autor:
Dmitry Spassky, Andrey Vasil’ev, Nataliya Krutyak, Oleg Buzanov, Vladimir Morozov, Alexei Belik, Nikita Fedorov, Patrick Martin, Andrei Belsky
Publikováno v:
Materials, Vol 16, Iss 3, p 971 (2023)
The decay kinetics of Gd3Al2Ga3O12:Ce3+ single crystal luminescence were studied under dense laser excitation. It was shown that the decay times as well as the intensity of Ce3+ luminescence depend on the excitation density. The observed effects were
Externí odkaz:
https://doaj.org/article/79b937abce784dbe8cc538269dba6a30
Autor:
Dmitry Spassky, Andrey Vasil’ev, Vitali Nagirnyi, Irina Kudryavtseva, Dina Deyneko, Ivan Nikiforov, Ildar Kondratyev, Boris Zadneprovski
Publikováno v:
Materials, Vol 15, Iss 19, p 6844 (2022)
The structural and luminescence properties of undoped Y1−xScxPO4 solid solutions have been studied. An intense thermally stable emission with fast decay (τ1/e ~ 10−7 s) and a band position varying from 5.21 to 5.94 eV depending on the Sc/Y ratio
Externí odkaz:
https://doaj.org/article/14172b3e728c4712947ba962fb0426f7
Autor:
Dmitry Spassky, Viktoriia Voznyak-Levushkina, Anastasiia Arapova, Boris Zadneprovski, Kirill Chernenko, Vitali Nagirnyi
Publikováno v:
Symmetry, Vol 12, Iss 6, p 946 (2020)
The luminescence properties of ScxY1−xPO4:Eu3+ solid solutions have been studied under excitation by synchrotron radiation in the energy range of 4.5–50 eV. The luminescence originating from three different types of emission centers was observed,
Externí odkaz:
https://doaj.org/article/4fbc4aa1d57941e0868a389b684aea6b
Autor:
Nataliya Krutyak, Dmitry Spassky, Dina V. Deyneko, Andrey Antropov, Vladimir A. Morozov, Bogdan I. Lazoryak, Vitali Nagirnyi
Publikováno v:
Dalton Transactions. 51:11840-11850
To establish the connection between the structure and luminescence properties in NASICON type structure, Na3.6Lu1.8−x(PO4)3:xEu3+ compounds have been studied. The enhanced thermal stability of the Eu3+ emission was obtained at Eex = 3.23 eV.
Autor:
Nataliya, Krutyak, Dmitry, Spassky, Dina V, Deyneko, Andrey, Antropov, Vladimir A, Morozov, Bogdan I, Lazoryak, Vitali, Nagirnyi
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 51(31)
Na
Autor:
Dmitry Spassky, Andrey Spassky, Fedor Fedyunin, Nina Kozlova, Evgeniia Zabelina, Valentina Kasimova, Oleg Buzanov
Publikováno v:
Book of Abstracts.
Publikováno v:
Book of Abstracts.
Autor:
Nataliya Krutyak, Dmitry Spassky, Dina Deyneko, Andrey Antropov, Vladimir A. Morozov, Vitali Nagirnyi
Publikováno v:
Book of Abstracts.