Fabrication of Tb3Al5O12transparent ceramics using co-precipitated nanopowders
Dai, Jiawei1,2; Pan, Yubai3; Wang, Wei1; Luo, Wei1,2; Xie, Tengfei1; Kou, Huamin1; Li, Jiang1
Source PublicationOptical Materials
AbstractTerbium aluminum garnet (TAG) precursor was synthesized by a co-precipitation method from a mixed solution of terbium and aluminum nitrates using ammonium hydrogen carbonate (AHC) as the precipitant. The powders calcined at different temperatures were investigated by XRD, FTIR and FESEM in order to choose the optimal calcination temperature. Fine and low-agglomerated TAG powders with average particle size of 88 nm were obtained by calcining the precursor at 1100 °C for 4 h. Using this powder as starting material, TAG transparent ceramics were fabricated by vacuum sintering combined with hot isostatic pressing (HIP) sintering. For the sample pre-sintered at 1700 °C for 20 h with HIP post-treated at 1700 °C for 3 h, the average grain size is about 3.9 μm and the in-line transmittance is beyond 55% in the region of 500–1600 nm, reaching a maximum transmittance of 64.2% at the wavelength of 1450 nm. The Verdet constant at 633 nm is measured to be −178.9 rad T−1m−1, which is 33% larger than that of the commercial TGG single crystal (−134 rad T−1m−1). © 2017 Elsevier B.V.
EI Accession Number20174304311025
EI KeywordsAluminum compounds
EI Classification Number741.1 Light/Optics - 802.3 Chemical Operations - 812.1 Ceramics - 933.1 Crystalline Solids
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Department of Physics, Shanghai Normal University, Shanghai; 200234, China
Recommended Citation
GB/T 7714
Dai, Jiawei,Pan, Yubai,Wang, Wei,et al. Fabrication of Tb3Al5O12transparent ceramics using co-precipitated nanopowders[J]. Optical Materials,2017,73:38-44.
APA Dai, Jiawei.,Pan, Yubai.,Wang, Wei.,Luo, Wei.,Xie, Tengfei.,...&Li, Jiang.(2017).Fabrication of Tb3Al5O12transparent ceramics using co-precipitated nanopowders.Optical Materials,73,38-44.
MLA Dai, Jiawei,et al."Fabrication of Tb3Al5O12transparent ceramics using co-precipitated nanopowders".Optical Materials 73(2017):38-44.
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