AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS
: Subject of Research. The paper presents the study of ammonium sulfate concentration effect on the content of impurities and the morphology of oxyhydrate powders and ceramic powders. Method. The synthesis of precursor powders was carried out by the method of reverse heterophase precipitation from c...
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ITMO University
2024
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ir-123456789-292782024-11-28T12:03:38Z AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS ВЛИЯНИЕ СУЛЬФАТА АММОНИЯ НА ХАРАКТЕРИСТИКИ НАНОПОРОШКОВ И ОПТИЧЕСКОЙ КЕРАМИКИ YAG:Yb Nikova, M. S. Никова, М. С. Kravtsov, A. A. Кравцов, А. А. Chikulina, I. S. Чикулина, И. С. Malyavin, F. F. Малявин, Ф. Ф. Tarala, V. A. Тарала, В. А. Vakalov, D. S. Вакалов, Д. С. Kuleshov, D. S. Кулешов, Д. С. Tarala, L. V. Тарала, Л. В. Evtushenko, E. A. Евтушенко, Е. А. Lapin, V. A. Лапин, В. А. Agglomeration degree YAG Garnet Anion impurities Specific surface area Reverse co-precipitation Surfactant Yb nanopowders : Subject of Research. The paper presents the study of ammonium sulfate concentration effect on the content of impurities and the morphology of oxyhydrate powders and ceramic powders. Method. The synthesis of precursor powders was carried out by the method of reverse heterophase precipitation from chlorides. The method of energy dispersive analysis of the elemental composition was used to analyze the dynamics of changes in the concentration of chlorine and sulfur impurities in oxyhydrate powders and ceramic powders. The morphology of the experimental samples was evaluated according to scanning electron microscopy. Analysis of the agglomeration degree was performed using X-ray phase analysis methods and the BET gas adsorption method. Main Results. It was found that the usage of ammonium sulfate not only reduces the degree of agglomeration of ceramic powders by two orders of magnitude but also reduces the chlorine impurity concentration from 0.2 at. % to less than 0.01 at. %. In addition, the possibility of controlling the value of the specific surface area in the range of 1.5–15 m2/g by changing the concentration of ammonium sulfate was revealed. Practical Relevance. Applying an improved technique for the synthesis of ceramic powders, samples of optical ceramics were obtained with light transmission in the visible and near-IR range of more than 70% without taking into account the absorption bands of ytterbium. 2024-11-28T12:01:36Z 2024-11-28T12:01:36Z 2019 Статья Nikova M.S., Kravtsov A.A., Chikulina I.S., Malyavin F.F., Tarala V.A., Vakalov D.S., Kuleshov D.S., Tarala L.V., Evtushenko E.A., Lapin V.A. AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS // Scientific and Technical Journal of Information Technologies, Mechanics and Optics. - 19 (3). - pp. 443 - 450. - DOI: 10.17586/2226-1494-2019-19-3-443-450 https://dspace.ncfu.ru/handle/123456789/29278 ru Scientific and Technical Journal of Information Technologies, Mechanics and Optics application/pdf ITMO University |
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| language |
Russian |
| topic |
Agglomeration degree YAG Garnet Anion impurities Specific surface area Reverse co-precipitation Surfactant Yb nanopowders |
| spellingShingle |
Agglomeration degree YAG Garnet Anion impurities Specific surface area Reverse co-precipitation Surfactant Yb nanopowders Nikova, M. S. Никова, М. С. Kravtsov, A. A. Кравцов, А. А. Chikulina, I. S. Чикулина, И. С. Malyavin, F. F. Малявин, Ф. Ф. Tarala, V. A. Тарала, В. А. Vakalov, D. S. Вакалов, Д. С. Kuleshov, D. S. Кулешов, Д. С. Tarala, L. V. Тарала, Л. В. Evtushenko, E. A. Евтушенко, Е. А. Lapin, V. A. Лапин, В. А. AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS |
| description |
: Subject of Research. The paper presents the study of ammonium sulfate concentration effect on the content of impurities and the morphology of oxyhydrate powders and ceramic powders. Method. The synthesis of precursor powders was carried out by the method of reverse heterophase precipitation from chlorides. The method of energy dispersive analysis of the elemental composition was used to analyze the dynamics of changes in the concentration of chlorine and sulfur impurities in oxyhydrate powders and ceramic powders. The morphology of the experimental samples was evaluated according to scanning electron microscopy. Analysis of the agglomeration degree was performed using X-ray phase analysis methods and the BET gas adsorption method. Main Results. It was found that the usage of ammonium sulfate not only reduces the degree of agglomeration of ceramic powders by two orders of magnitude but also reduces the chlorine impurity concentration from 0.2 at. % to less than 0.01 at. %. In addition, the possibility of controlling the value of the specific surface area in the range of 1.5–15 m2/g by changing the concentration of ammonium sulfate was revealed. Practical Relevance. Applying an improved technique for the synthesis of ceramic powders, samples of optical ceramics were obtained with light transmission in the visible and near-IR range of more than 70% without taking into account the absorption bands of ytterbium. |
| format |
Статья |
| author |
Nikova, M. S. Никова, М. С. Kravtsov, A. A. Кравцов, А. А. Chikulina, I. S. Чикулина, И. С. Malyavin, F. F. Малявин, Ф. Ф. Tarala, V. A. Тарала, В. А. Vakalov, D. S. Вакалов, Д. С. Kuleshov, D. S. Кулешов, Д. С. Tarala, L. V. Тарала, Л. В. Evtushenko, E. A. Евтушенко, Е. А. Lapin, V. A. Лапин, В. А. |
| author_facet |
Nikova, M. S. Никова, М. С. Kravtsov, A. A. Кравцов, А. А. Chikulina, I. S. Чикулина, И. С. Malyavin, F. F. Малявин, Ф. Ф. Tarala, V. A. Тарала, В. А. Vakalov, D. S. Вакалов, Д. С. Kuleshov, D. S. Кулешов, Д. С. Tarala, L. V. Тарала, Л. В. Evtushenko, E. A. Евтушенко, Е. А. Lapin, V. A. Лапин, В. А. |
| author_sort |
Nikova, M. S. |
| title |
AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS |
| title_short |
AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS |
| title_full |
AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS |
| title_fullStr |
AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS |
| title_full_unstemmed |
AMMONIUM SULPHATE EFFECT ON CHARACTERISTICS OF YAG:Yb NANOPOWDERS AND OPTICAL CERAMICS |
| title_sort |
ammonium sulphate effect on characteristics of yag:yb nanopowders and optical ceramics |
| publisher |
ITMO University |
| publishDate |
2024 |
| url |
https://dspace.ncfu.ru/handle/123456789/29278 |
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