[2] [2] POLAT Y, AKALAN H, AR M. Thermo-electrical and structural properties of Gd2O3 and Lu2O3 double-doped Bi2O3［J］. International Journal of Hydrogen Energy, 2017, 42(1): 614-622.

[4] [4] HAKIMI M, MORVARIDI M, HOSSEINI H A, et al. Preparation, characterization, and photocatalytic activity of Bi2O3-Al2O3 nanocomposite［J］. Polyhedron, 2019, 170: 523-529.

[5] [5] VIRUTHAGIRI G, KANNAN P. Visible light mediated photocatalytic activity of cobalt doped Bi2O3 nanoparticles［J］. Journal of Materials Research and Technology, 2019, 8(1): 127-133.

[6] [6] RAJU K, PRASAD V. Effect of capacitance on ZnO-Bi2O3-Yb2O3 based varistor for nanosecond transients［J］. Journal of Central South University, 2018, 25(10): 2332-2338.

[9] [9] HUANG Y L, ZHOU G T, WEI D L, et al. Phase-formation and luminescence properties of Eu3+-doped Bi2O3 on synthetic process［J］. Journal of Luminescence, 2020, 220: 116970.

[11] [11] IZUMI F, YOUNG R A. The Rietveld method［M］. Oxford: Oxford University Press, 1993.

[12] [12] MAKHSUN, HASHIMOTO T, SAKUMA T, et al. Estimation of force constants of Al from diffuse neutron scattering measurement［J］. Journal of the Physical Society of Japan, 2014, 83(7): 074602.

[14] [14] XIANGLIAN, BASAR K, HONDA H, et al. Effect of Pb-Pb correlation in diffuse scattering of powder PbF2［J］. Solid State Ionics, 2008, 179(21/22/23/24/25/26): 776-779.

[15] [15] IZUMI F, DILANIAN R A. Recent research developments in physics: PartⅡ［M］. Vol.3. Trivandrum: Transworld Research Network, 2002: 699.

[21] [21] MAKKI ALAMDARI M, SAMALI B, LI J C, et al. Structural condition assessment using entropy-based time series analysis［J］. Journal of Intelligent Material Systems and Structures, 2017, 28(14): 1941-1956.

[25] [25] IZUMI F. In the Rietveld method［M］. Oxford: U.K, 1993.