[2] [2] REDDY G S,BAURI R.Y and In-doped BaCeO3-BaZrO3 solid solutions:Chemically stable and easily sinterable proton conducting oxides［J］.Journal of Alloys and Compounds,2016,688:1039-1046.

[3] [3] RYU K H,HAILE S M.Chemical stability and proton conductivity of doped BaCeO3-BaZrO3 solid solutions［J］.Solid State Ionics Diffusion & Reactions,1999,125(1/4):355-367.

[4] [4] HOSSAIN M K,CHANDA R,El-DENGLAWEY A,et al.Recent progress of barium zirconate proton conductor in electrochemical hydrogen devices:A review［J］.Ceramics International,2021,47(17):23725-23748.

[5] [5] DAI H,KOU H,WANG H,et al.Electrochemical performance of protonic ceramic fuel cells with stable BaZrO3-based electrolyte:A mini-review［J］.Electrochemistry Communications,2018,96:11-15.

[6] [6] ABDOU H,GUPTA S K,MAO Y. Defect and dopant induced photoluminescence of molten salt synthesized BaZrO3 crystals［J］.Journal of Luminescence,2019,214:116599.

[7] [7] SUN D,LI D,ZHU Z,et al.Photoluminescence properties of europium and titanium co-doped BaZrO3 phosphors powders synthesized by the solid-state reaction method［J］.Optical Materials,2012,34(11):1890-1896.

[8] [8] FASSBENDER R U, TEIXEIRA V D C,GALANTE D,et al.Correlation between local structure and electronic properties of BaZrO3:TbYb optical ceramics［J］.Journal of Electron Spectroscopy and Related Phenomena,2021,251:147106.

[10] [10] PARIDA S,ROUT S K,CAVALCANTE L S,et al.Structural refinement,optical and microwave dielectric properties of BaZrO3［J］.Ceramics International,2012,38(3):2129-2138.

[11] [11] KOLODIAZHNYI T,PULPHOL P,VITTAYAKORN W,et al.Giant suppression of dielectric loss in BaZrO3［J］.Journal of the European Ceramic Society,2019,39(14):4144-4148.

[12] [12] BOHN H G,SCHOBER T.Electrical conductivity of the high-temperature proton conductor BaZr0.9Y0.1O2.95［J］.Journal of the American Ceramic Society,2000,83(4):768-772.

[16] [16] KHIRADE P,RAUT A V,ALANGE R C,et al.Structural,electrical and dielectric investigations of cerium doped barium zirconate(BaZrO3) nano-ceramics produced via green synthesis:Probable candidate for solid oxide fuel cells and microwave applications［J］.Physica B:Condensed Matter,2021,613:412948.

[17] [17] LPEZ-ESQUIVEL R I,GUZMN-OLGUN J C,VZQUEZ-FLORES N,et al.Green synthesis,structural and luminescent characterization of BaZrO3:Eu3+ nanoparticles［J］.Ceramics International,2023,49(1):413-418.

[18] [18] LEE Y C,LEE W H,HU C L,et al.Investigation of dielectric properties of BaZr(BO3)2 ceramics［J］.Jpn J Appl Phys,2004,43(7A):4306-4309.

[19] [19] HORNEBECQ V,GRAVEREAU P,CHAMINADE J P,et al.BaZr(BO3)2:A non-centrosymmetric dolomite-type superstructure［J］.Materials Research Bulletin,2002,37(13):2165-2178.