Nd3+ concentration effect on luminescent properties of MgAl2O4 nanopowders synthesized by modified Pechini method
Golyeva, E.V.; Vaishlia, E.I.; Kurochkin, M.A.; Yu Kolesnikov, E.; Lähderanta, E.; Semencha, A.V.; Kolesnikov, I.E. (2020-06-10)
Post-print / Final draft
Golyeva, E.V.
Vaishlia, E.I.
Kurochkin, M.A.
Yu Kolesnikov, E.
Lähderanta, E.
Semencha, A.V.
Kolesnikov, I.E.
10.06.2020
Journal of Solid State Chemistry
289
Elsevier
School of Engineering Science
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2020080448056
https://urn.fi/URN:NBN:fi-fe2020080448056
Tiivistelmä
In this paper, the concentration series of MgAl2O4:Nd3+ nanocrystalline powders have been synthesized by modified Pechini method. Neodymium doping concentration was varied within range of 0.05–5 at.%. The obtained samples have been analyzed using the various experimental methods: X-Ray diffraction, scanning electron microscopy, energy dispersive X-Ray spectroscopy, as well as steady-state and kinetics photoluminescence spectroscopy. According to XRD, all synthesized samples are monophasic without any structural impurities. The doping concentration effect on the luminescent characteristics of MgAl2O4:Nd3+ nanocrystalline particles has been studied in terms of emission intensity and lifetime. The optimal doping Nd3+ concentration was determined to be 0.1 at.%. Concentration quenching in MgAl2O4:Nd3+ powders occurred via energy transfer among the nearest neighbor ions. Performed studies shed the light on behavior of Nd3+ ions in nanoscale magnesium aluminum spinel.
Lähdeviite
Golyeva, E.V., Vaishlia, E.I., Kurochkin, M.A., Yu Kolesnikov, E., Lähderanta, E., Semencha, A.V., Kolesnikov, I.E. (2020). Nd3+ concentration effect on luminescent properties of MgAl2O4 nanopowders synthesized by modified Pechini method. Journal of Solid State Chemistry, vol. 289. DOI: 10.1016/j.jssc.2020.121486
Alkuperäinen verkko-osoite
https://www.sciencedirect.com/science/article/pii/S0022459620303169Kokoelmat
- Tieteelliset julkaisut [1333]