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30.12.2016

Guna Krieke, Anatolijs Sarakovskis, Maris Springis. Upconversion luminescence of a transparent glass ceramics with hexagonal Na(Gd,Lu)F4 nanocrystals. Journal of Alloys and Compounds, (2017), 694 952e958.

Oxygen influence on luminescence properties of rare-earth doped NaLaF4 A.Tuomela a,n, V.Pankratov, A.Sarakovskis, G.Doke, L.Grinberga, S.Vielhauer, M.Huttula. Journal of Luminescence, (2016), 179, pp.16–20.

Guna Krieke, Anatolijs Sarakovskis. Crystallization and upconversion luminescence of distorted fluoritenanocrystals in Ba2+containing oxyfluoride glass ceramics. Journal of the European Ceramic Society, (2016), 36, pp.1715–1722.

Jurgis Grube. Temperature influence on NaLaF4:Er3+ green luminescence. Journal of Luminescence, (2016), 179, pp. 107–113.

E. K. Yukhno, L. A. Bashkirov, P. P. Pershukevich, S. V. Slonskaya, N. A. Mironova- Ulmane, A. G. Sharakovskis. Excitation and photoluminescence spectra of solid solutions based on lanthanum indate LaInO3 of a perovskite structure doped with Nd3+ and Cr3+ ions. Glass Physics and Chemistry, (2016), v.42, pp. 379–385.

Sarakovskis, A., Grube, J., Strals, K., Krieke, G., Springis, M., Mironova-Ulmane, N., Skvortsova, V., Yukhno, E.K., Bashkirov, L.A. Temperature and impurity concentration effects on upconversion luminescence in LaInO3 doped with Er3+. Fizika Nizkikh Temperatur, (2016), v.42, pp. 733-737.

Anatolijs Sarakovskis, Guna Krieke. Upconversion luminescence in erbium doped transparent oxyfluorideglass ceramics containing hexagonal NaYF4nanocrystals. Journal of the European Ceramic Society,(2015), 35 (13), pp. 3665-3671.

A. Sarakovskis, G. Krieke, G. Doke, J. Grube, L. Grinberga, M. Springis, Comprehensive study on different crystal field environments in highly efficient NaLaF4:Er3+ upconversion phosphor, Optical Materials 39 (2015), p. 90 – 96.

J. Grube, A. Sarakovskis, G. Doke, M. Springis, Impact of Er3+ Concentration on Luminescence in NaLaF4, Latvian Journal of Physics and Technical Sciences 51, 3 (2014), p. 42.

Doke, G., Sarakovskis, A., Grube, J., Springis, M. Photoluminescence of neodymium and erbium doped NaLaF4 material (2013) Radiation Measurements, 56, pp. 27-30.

Rogulis, U., Elsts, E., Jansons, J., Sarakovskis, A., Doke, G., Stunda, A., Smits, K. Cathodoluminescence of oxyfluoride glass-ceramics (2013) Radiation Measurements, 56, pp. 120-123.

A. Sarakovskis, M. Voss, G. Doke, D. Jankovica, J. Grube. Synthesis of cubic and hexagonal NaYF4 :Er3+ (2012) IOP Conference Series: Materials Science and Engineering, 38, art. no. 012038;

J. Grube, G. Doke, M. Voss, A. Sarakovskis, M. Springis. Multicolor up-conversion luminescence in Rare-Earth doped NaLaF4 (2011) IOP Conference Series: Materials Science and Engineering, 23 (1), art. no. 012004;

A. Sarakovskis, M. Voss, G. Doke, J. Grube, M. Springis. Novel synthesis of up-conversion phosphor based on rare-earth doped NaLaF4 (2011) IOP Conference Series: Materials Science and Engineering, 23 (1), art. no. 012003;

A. Fedotovs, U. Rogulis, A. Sarakovskis, L. Dimitrocenko, EPR of radiation defcts in lithium-oxyfluoride glass ceramics. J. of Physics: Conference Series, 249 (2010);

A. Fedotovs, Dz. Berzins, A. Sarakovskis, U. Rogulis, G. Doke, EPR studies of the oxyfluoride glass ceramics using Mn2+ as a paramagnetic probe. IOP Conference Series: Materials and Engineering, 15 (2010);

E. Elsts, U. Rogulis, J. Jansons, A. Sarakovskis, Cathodoluminescence of terbium and ytterbium activated oxyfluoride glasses and glass ceramics. Latvian Journal of Technical Sciences, 5, pp. 48 (2010);

A. Sarakovskis, J. Grube, G. Doke, M. Springis. Selective excitation of up-conversion luminescence by Yb3+-Er3+ energy transfer in glass and crystalline phase of oxyfluoride glass ceramics (2010) Optical Materials, 32 (8), pp. 832-835;

I. Tale, L. Dimitrocenko, P.Kulis, G. Marcins, A. Sarakovskis, A.Voitkans, Localization dynamics of exciton luminescence in InxGa1-xN epitaxial films. 11th Europhysical Conference on Defects in Insulating Materials (EURODIM2010) IOPPublishing, IOP Conf. Series: Materials Science and Engineering, 15 012059 (2010);

A. Sarakovskis, J. Grube, G. Doke, and M. Springis, Excited state absorption and energy transfer mechanisms of up-conversion luminescence in Er3+ doped oxyfluoride glass ceramics at different temperatures. J. Luminescence, 130, pp.805-811 (2010);