Fine-grained Ce,Y:SrHfO3 Scintillation Ceramics Fabricated by Hot Isostatic Pressing

Danyang ZHU; Kang QIAN; Xiaopu CHEN; Zewang HU; Xin LIU; Xiaoying LI; Yubai PAN; Eva MIHÓKOVÁ; Martin NIKL; Jiang LI

doi:10.15541/jim20210059

Journals >Journal of Inorganic Materials >Volume 36 >Issue 10 >Page 1118 > Article

Journal of Inorganic Materials
Vol. 36, Issue 10, 1118 (2021)

Fine-grained Ce,Y:SrHfO₃ Scintillation Ceramics Fabricated by Hot Isostatic Pressing

Danyang ZHU^1、2, Kang QIAN^1、3, Xiaopu CHEN^1、2, Zewang HU^1、2, Xin LIU^1、2, Xiaoying LI^1、2, Yubai PAN³, Eva MIHÓKOVÁ, Martin NIKL, and Jiang LI^1、2、*

Author Affiliations

¹1. Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

²2. Center of Materials Science and Optoelectronic Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

³3. Department of Physics, Shanghai Normal University, Shanghai 200234, China, 4. Institute of Physics, Academy of Sciences of the Czech Republic, Prague 16200, Czech Republic

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DOI: 10.15541/jim20210059 Cite this Article

Danyang ZHU, Kang QIAN, Xiaopu CHEN, Zewang HU, Xin LIU, Xiaoying LI, Yubai PAN, Eva MIHÓKOVÁ, Martin NIKL, Jiang LI. Fine-grained Ce,Y:SrHfO₃ Scintillation Ceramics Fabricated by Hot Isostatic Pressing [J]. Journal of Inorganic Materials, 2021, 36(10): 1118 Copy Citation Text

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FESEM micrographs of the starting powders ((a) HfO2, (b) SrCO3, (c) CeO2, (d) Y2O3, (e) ball-milled powder mixture, (f) Ce,Y:SrHfO3 powder calcined at 1200 ℃ for 8 h), (g) XRD patterns of the calcined powder, and (h) FESEM micrograph of the Ce,Y:SrHfO3 ceramics fabricated by vacuum sintering

. FESEM micrographs of the starting powders ((a) HfO₂, (b) SrCO₃, (c) CeO₂, (d) Y₂O₃, (e) ball-milled powder mixture, (f) Ce,Y:SrHfO₃ powder calcined at 1200 ℃ for 8 h), (g) XRD patterns of the calcined powder, and (h) FESEM micrograph of the Ce,Y:SrHfO₃ ceramics fabricated by vacuum sintering

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FESEM images of the thermally etched surfaces of the Ce/Y:SrHfO3 ceramics pre-sintered at different temperatures for 2 h (a) 1450 ℃; (b) 1500 ℃; (c) 1550 ℃; (d) 1600 ℃; (e) 1650 ℃; (f) Relative densities and average grain sizes of the Ce,Y:SrHfO3 ceramics with different pre-sintering temperatures

. FESEM images of the thermally etched surfaces of the Ce/Y:SrHfO₃ ceramics pre-sintered at different temperatures for 2 h (a) 1450 ℃; (b) 1500 ℃; (c) 1550 ℃; (d) 1600 ℃; (e) 1650 ℃; (f) Relative densities and average grain sizes of the Ce,Y:SrHfO₃ ceramics with different pre-sintering temperatures

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. (a) Photograph of the Ce,Y:SrHfO₃ ceramics vacuum- sintered at different temperatures combined with the HIP post- treatment and (b) in-line transmittance of the HIP post-treated Ce,Y:SrHfO₃ ceramics (1 mm thickness) pre-sintered at 1500 and 1550 ℃, respectively

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$FESEM micrographs of (a) thermally etched surfaces and (b) fractured surfaces of HIP post-treated Ce,Y:SrHfO3 ceramics pre-sintered at 1500 ℃$

. FESEM micrographs of (a) thermally etched surfaces and (b) fractured surfaces of HIP post-treated Ce,Y:SrHfO₃ ceramics pre-sintered at 1500 ℃

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. (a) XEL spectra and (b) pulse height spectrum of the HIP post-treated Ce,Y:SrHfO₃ ceramics pre-sintered at 1550 ℃

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