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Influence of Ammonium Hydrogen Carbonate to Metal Ions Molar Ratio on Co-precipitated Nanopowders for TGG Transparent Ceramics
Li Xiao-Ying; Liu Qiang; Hu Ze-Wang; Jiang Nan; Shi Yunl; Li Jiang
2019-07-20
Source PublicationJOURNAL OF INORGANIC MATERIALS
ISSN1000-324X
Volume34Issue:7Pages:791
SubtypeArticle
AbstractTerbium gallium garnet (TGG) ceramics were successfully fabricated by air sintering at 1500 degrees C for 3 h combined with HIP post-treating at 1550 degrees C for 3 h under 150 MPa argon gas, where the TGG powders were synthesized by the co-precipitation method employing ammonium hydrogen carbonate (AHC) as precipitant. The influences of ammonium hydrogen carbonate to metal ions molar ratio (R value) on phase composition and morphology of the resultant powders as well as optical transmittance and Verdet constant of the TGG ceramics were investigated systematically. The precursors with R=3.6, 4.0 and 4.4 calcined at 1100 degrees C form pure TGG phase, whereas the precursor with R=3.2 treated at the same temperature yields the mixed phases of TGG and Ga2O3. The TGG powder with R=4.0 shows the best dispersity and homogeneity, giving rise to ceramic with the best optical quality. On the contrary, the powder with R=4.4 exhibits a strong agglomeration, which is closely related to the morphology of its precursor. High quality TGG transparent ceramics with the transmittance of 80.1% at 1064 nm can be fabricated by the nanopowder with R=4.0, and the Verdet constant of the TGG ceramics at 633 nm is rather close to that of the commercial TGG single crystals (-134 rad.T-1.m(-1)).
KeywordFaraday material TGG ceramics co-precipitation method AHC/M3+ molar ratio
DOI10.15541/jim20180574
Language英语
WOS Research AreaMaterials Science
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26970
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li Xiao-Ying,Liu Qiang,Hu Ze-Wang,et al. Influence of Ammonium Hydrogen Carbonate to Metal Ions Molar Ratio on Co-precipitated Nanopowders for TGG Transparent Ceramics[J]. JOURNAL OF INORGANIC MATERIALS,2019,34(7):791.
APA Li Xiao-Ying,Liu Qiang,Hu Ze-Wang,Jiang Nan,Shi Yunl,&Li Jiang.(2019).Influence of Ammonium Hydrogen Carbonate to Metal Ions Molar Ratio on Co-precipitated Nanopowders for TGG Transparent Ceramics.JOURNAL OF INORGANIC MATERIALS,34(7),791.
MLA Li Xiao-Ying,et al."Influence of Ammonium Hydrogen Carbonate to Metal Ions Molar Ratio on Co-precipitated Nanopowders for TGG Transparent Ceramics".JOURNAL OF INORGANIC MATERIALS 34.7(2019):791.
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