APPLICATION OF POLYVINYLPYRROLIDONE TO IMPROVE THE OPTICAL PROPERTIES OF YAG-BASED CERAMICS

Alexander A. Kravtsov – Candidate of Technical Sciences, head of the Nanopowder Synthesis Sector of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Fedor F. Malyavin – head of Ceramics Sintering Sector of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Dmitry S. Vakalov – Candidate of Physical and Mathematical Sciences, head of the Sector of Physical and Chemical Methods of Research and Analysis of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Ludmila V. Tarala – researcher of the Nanopowder Synthesis Sector of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Viacheslav A. Lapin – Candidate of Technical Sciences, senior researcher of the Sector of Physical and Chemical Methods of Research and Analysis of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Victoria E. Suprunchuk – Candidate of Chemical Sciences, senior researcher of the Nanopowder Synthesis Sector of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Dmitry P. Bedrakov – postgraduate student, engineer of the clean zone operation and maintenance sector of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Evgeniy V. Medyanik – researcher of Ceramics Sintering Sector of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia
Vitaly A. Tarala – Candidate of Chemical Sciences, head of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University, Stavropol, Russia

1. Yuan M., Cao Y., Zhou T., et al. Fabrication of heavily doped Nd:YAG transparent ceramics and their thin disc solid state laser performance // Ceram. Int. 2022. V. 48, No. 19. P. 27799 – 27806.
2. Zych E., Brecher C., Wojtowicz A. J., Lingertat H. Luminescence properties of Ce-activated YAG optical ceramic scintillator materials // J. Lumin. 1997. V. 75, No. 3. P. 193 – 203.
3. Liu Q., Zhang W., Feng Z., et al. Improved near-infrared up-conversion emission of YAG:Yb,Tm phosphor substituted by gallium and indium // J. Mater. Sci. Mater. Electron. 2016. V. 27, No. 1. P. 992 – 997.
4. Jing Y., Tian F., Guo L., et al. Effect of TEOS content on microstructure evolution and optical properties of Sm:YAG transparent ceramics // Opt. Mater. (Amst). 2024. V. 147. P. 114681.
5. Ikesue A., Aung Y. L. Origin and future of polycrystalline ceramic lasers // IEEE J. Sel. Top. Quantum Electron. 2018. V. 24, No. 5.
6. Zhang L., Pan M., Tian R., et al. Rapid growth of a Yb:YAG slab crystal with superior laser properties by the edge-defined film-fed growth method // Cryst. Growth Des. 2024. V. 24, No. 5. P. 1959 – 1968.
7. Zajic F., Klejch M., Elias A., et al. Nd:YAG single crystals grown by the floating zone method in a laser furnace // Cryst. Growth Des. 2023. V. 23, No. 4. P. 2609 – 2618.
8. Martial I., Bigotta S., Eichhorn M., et al. Er:YAG fiber-shaped laser crystals (single crystal fibers) grown by micro-pulling down: Characterization and laser operation // Opt. Mater. (Amst). 2010. V. 32, No. 9. P. 1251 – 1255.
9. Zhmykhov V., Guryev D., Tsvetkov V. S., et al. Yb:YSAG ceramics: An attractive thin-disk laser material alternative to a single crystal? // Ceram. Int. 2024. V. 50, No. 23. P. 50358 – 50366.
10. Tarala V. A., Shama M. S., Chikulina I. S., et al. Estimation of Sc3+ solubility in dodecahedral and octahedral sites in YSAG:Yb // J. Am. Ceram. Soc. 2019. V. 102. P. 4862 – 4873.
11. Boulesteix R., Ma?tre A., Baumard J.-F., et al. Light scattering by pores in transparent Nd:YAG ceramics for lasers: correlations between microstructure and optical properties // Opt. Express. 2010. V. 18, No. 14. P. 14992.
12. Picelli F., Hostasa J., Piancastelli A., et al. Beyond scanning electron microscopy: comprehensive pore analysis in transparent ceramics using optical microscopy // Ceramics. 2024. V. 7, No. 1. P. 401 – 410.
13. Xu M., Song J., Wang R., et al. Effect of sintering AIDS on the properties of porous YAG ceramics // Key Engineering Materials. 2016. V. 697. P. 178 – 181.
14. Min W., Xing A., Jun Z. The effect of sintering additives on ceramic material sintering densification process based on cellular automata model // Comput. Mater. Sci. 2014. V. 90. P. 16 – 22.
15. Wang F., Xu M. H., Chen A. X., et al. Effect of sintering temperature on properties of yag porous ceramics via atmospheric sintering method // Solid State Phenomena. 2018. V. 281. P. 224 – 229.
16. Tarala L. V., Kravtsov A. A., Chapura O. M., et al. Effect of vacuum sintering conditions on the properties of Y3Al5O12?: Ce luminescent ceramics // Izv. Vyss. Uchebnykh Zaved. Mater. Elektron. Tekhniki = Mater. Electron. Eng. 2023. V. 25, No. 4. P. 312 – 322.
17. Li X., Yin J., Lai Y., et al. Improved microstructure and optical properties of Nd:YAG ceramics by hot isostatic pressing // Ceram. Int. 2023. V. 49, No. 19. P. 31939 – 31947.
18. Супрунчук В. Е., Кравцов А. А., Тарала В. А. и др. Влияние добавки сульфат-ионов на различных стадиях изготовления керамики YAG:Cr на оптические свойства // Стекло и керамика. 2024. Т. 97, № 4. С. 11 – 20. [Suprunchuk V. E., Kravtsov A. A., Tarala V. A., et al. Influence of sulfate-ion additive at different stages of YAG:Cr ceramics fabrication on the optical properties // Glass Ceram. V. 81, No. 3–4. P. 145 – 151.]
19. Вакалов Д. С., Чикулина И. С., Кичук С. Н., Бедраков Д. П. Особенности фазообразования граната в системе Y2O3–Lu2O3–Yb2O3–Er2O3–Al2O3 при синтезе нанокристаллических слабоагломерированных керамических порошков методом соосаждения с использованием сульфата аммония // Стекло и керамика. 2025. Т. 98, № 1. С. 34 – 41. [Vakalov D. S., Chikulina I. S., Skichuk S. N., Bedrakov D. P. Garnet phase formation in Y2O3–Lu2O3–Yb2O3–Er2O3–Al2O3 system during the synthesis of nanocrystalline weakly agglomerated ceramic powders by coprecipitation method using ammonium sulfate // Glass Ceram. 2025. V. 82, No. 1–2. P. 23 – 27.]
20. Li J., Liu Z., Wu L., et al. Influence of ammonium sulfate on YAG nanopowders and Yb:YAG ceramics synthesized by a novel homogeneous co-precipitation method // J. Rare Earths. Chinese Society of Rare Earths. 2018. V. 36, No. 9. P. 981 – 985.
21. Tomaszewski H., Wajler A., Weglarz H., et al. Effect of ammonium sulfate on morphology of Y2O3 nanopowders obtained by precipitation and its impact on the transparency of YAG ceramics // Adv. Sci. Technol. 2014.
22. Lv Y., Zhang W., Liu H., et al. Synthesis of nano-sized and highly sinterable Nd:YAG powders by the urea homogeneous precipitation method // Powder Technol. 2012. V. 217. P. 140 – 147.
23. Li J.-G., Ikegami T., Lee J.-H., Mori T. Low-temperature fabrication of transparent yttrium aluminum garnet (YAG) ceramics without additives // J. Am. Ceram. Soc. 2004. V. 83, No. 4. P. 961 – 963.
24. Darweesh HHM. Recycling of glass waste in ceramics – Part II: Microstructure of ceramic products using XRD, DTA and SEM techniques // Res. Dev. Mater. Sci. 2020. V. 13, No. 4.
25. Li J., Li J. G., Zhang Z., et al. Gadolinium aluminate garnet (Gd3Al5O12): crystal structure stabilization via lutetium doping and properties of the (Gd1-x Lux)3Al5O12 solid solutions (x = 0-0.5) // J. Am. Ceram. Soc. 2012. V. 95, No. 3. P. 931 – 936.
26. Kravtsov A. A., Lapin V. A., Chapura O. M., et al. LuGdAG:Ce ceramic compositions as promising candidates for high CRI white light emitting diodes // J. Am. Ceram. Soc. 2025. V. 108, No. 7.
27. Zhang Y., Yu H. Synthesis of YAG powders by the co-precipitation method // Ceram. Int. 2009. V. 35, No. 5. P. 2077 – 2081.
28. Pellerin N., Staley J. T., Ren T., et al. Acidic biopolymers as dispersants for ceramic processing // MRS Proc. 1990. V. 218.
29. Malyavin F. F., Tarala V. A., Kuznetsov S. V., et al. Influence of the ceramic powder morphology and forming conditions on the optical transmittance of YAG:Yb ceramics // Ceram. Int. Elsevier Ltd and Techna Group S.r.l. 2019. V. 45, No. 4. P. 4418 – 4423.
30. Tarala V. A., Malyavin F. F., Kravtsov A. A., et al. Influence of Yb3+ content on the optical and thermophysical properties of YSAG:Yb:Er solid solutions // J. Am. Ceram. Soc. 2024. V. 107, No. 12. P. 8299 – 8311.