D. Vakalov, I. S. Chikulina, S. N. Skichuk, D. P. Bedrakov, F. Malyavin, L. V. Kozitov
{"title":"THE COMBINED EFFECT OF SINTERING ADDITIVES MgO AND TEOS ON THE STRUCTURE AND OPTICAL PROPERTIES OF CERAMICS YAG:Yb, Er","authors":"D. Vakalov, I. S. Chikulina, S. N. Skichuk, D. P. Bedrakov, F. Malyavin, L. V. Kozitov","doi":"10.14489/glc.2023.10.pp.026-038","DOIUrl":null,"url":null,"abstract":"In this work, the effect of sintering additives based on magnesium oxide (MgO) and silicon oxide (TEOS) in concentrations from 0.02 to 0.10 wt. % and 0.2 to 0.5 wt. %, respectively, was investigated on the microstructure and optical properties of ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, made from powders synthesized by chemical co-deposition. The results presented in the paper showed that the introduction of a sintering additive based on MgO into a ceramic powder does not affect its phase composition, structural and morphological characteristics. It is shown that for ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, the best value of the optical transmission coefficient was achieved at a vacuum sintering temperature of 1800 °C and a concentration of sintering additives of 0.06 wt. % MgO and 0.3 wt. % TEOS. It is shown that the sintering mechanism of ceramics Y2,82Yb0,15Er0,03Al5O12 depends on the ratio of sintering additives MgO and TEOS.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"37 2 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Steklo i Keramika","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14489/glc.2023.10.pp.026-038","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this work, the effect of sintering additives based on magnesium oxide (MgO) and silicon oxide (TEOS) in concentrations from 0.02 to 0.10 wt. % and 0.2 to 0.5 wt. %, respectively, was investigated on the microstructure and optical properties of ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, made from powders synthesized by chemical co-deposition. The results presented in the paper showed that the introduction of a sintering additive based on MgO into a ceramic powder does not affect its phase composition, structural and morphological characteristics. It is shown that for ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, the best value of the optical transmission coefficient was achieved at a vacuum sintering temperature of 1800 °C and a concentration of sintering additives of 0.06 wt. % MgO and 0.3 wt. % TEOS. It is shown that the sintering mechanism of ceramics Y2,82Yb0,15Er0,03Al5O12 depends on the ratio of sintering additives MgO and TEOS.
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