Journal of Inorganic Materials, Volume. 38, Issue 10, 1207(2023)
Figures & Tables(15)
1. Photos of SBLn glasses melted at 1600 ℃ for 2 h (a) andXRD patterns of glass and partial crystallization SBLn glass (b)
3. Infrared spectra of SBLn glass in the wavelength range of 400-1400 cm-1
7. Sintering curves (a) and density curves (b) of SBLn glass (b) sintered at 800-1200 ℃ for 2 h
9. Elemental distributions of SBEr glass-ceramic sintered at 1150 ℃ for 2 h
10. Thermal expansion curves of SBLn glass-ceramics sintered at 1150 ℃ for 2 h (a) and histogram of SBLn thermal expansion coefficients and softening points (b)
11. DC resistivity variated with temperature of SBLn glass-ceramics sintered at 1150 ℃ for 2 h
Table 1. Cation field strength of rare earth
View tableView in ArticleTable 1. Cation field strength of rare earth
Rare earth ions Cation field strength, CFS Ba2+ 1.41 La3+ 2.82 Sm3+ 3.23 Er3+ 3.87 Yb3+ 3.98
Table 2. Composition of BaO-SiO2-Ln2O3 (%, in mol)
View tableView in ArticleTable 2. Composition of BaO-SiO2-Ln2O3 (%, in mol)
Sample SiO2 BaO La2O Sm2O3 Er2O3 Yb2O3 SBLa 50 45 5 SBSm 50 45 5 SBEr 50 45 5 SBYb 50 45 5
Table 3. Corresponding vibration mode and chemical bond type of FT-IR spectra for SBLn
View tableView in ArticleTable 3. Corresponding vibration mode and chemical bond type of FT-IR spectra for SBLn
Peak position/ cm-1 Chemical bond type Ref. 460-510 Si-O-Si and O-Si-O bending vibration modes [ 13 ⇓ -15 ]720-820 Si-O-Si symmetric stretching of bridging oxygen [ 13 ⇓ -15 ]830-940 Si-O− stretching with two non-bridging oxygens [ 13 ⇓ -15 ]1050-1100 Si-O-Si anti-symmetric stretching of bridging oxygen within the tetrahedra [ 13 ⇓ -15 ]
Table 4. Differential thermal analysis data of SBLn glass
View tableView in ArticleTable 4. Differential thermal analysis data of SBLn glass
Sample Tg/℃ Tx/℃ Tp1/℃ Tp2/℃ ΔT/℃ SBLa 755.0 850.3 873.4 900.1 95.3 SBSm 784.0 891.7 918.0 968.2 97.7 SBEr 794.8 894.8 923.4 982.5 100.0 SBYb 814.8 920.6 959.3 1046.6 105.6
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Yanguo YANG, Haishen REN, Daihua HE, Huixing LIN.
Paper Information
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Received: Jan. 29, 2023
Accepted: --
Published Online: Mar. 6, 2024
The Author Email: REN Haishen (renhaishen@mail.sic.ac.cn), LIN Huixing (huixinglin@mail.sic.ac.cn)
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