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Influence of Lanthanum Concentration on Microstructure of (Ho1-xLax)(2)O-3 Magneto-Optical Ceramics
Balabanov, S; Demidova, K; Filofeev, S; Ivanov, M; Kuznetsov, D; Li, J; Permin, D; Rostokina, E
2020-08-01
Source PublicationPHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
ISSN0370-1972
Issue8
SubtypeArticle
AbstractTransparent cubic-phase solid solution (Ho1-xLax)(2)O-3 (where x = 0, 0.03, 0.05, 0.07, and 0.1) ceramics are sintered in a vacuum at 1780 degrees C for 3 h from nanopowders made by self-propagating high-temperature synthesis. The lanthana is proved to significantly influence the microstructure of the ceramics. The average crystallite sizes of the (Ho1-xLax)(2)O-3 ceramics decrease with an increase in the concentration of lanthana. After vacuum sintering and low-temperature annealing in air, the ceramics have second-phase grains at the crystallite boundaries and the triple points. The volume fraction of the second phase is found to be in direct proportion to the lanthana content in the ceramics. This second phase is believed to be (Ho1-xLax)(2)O-3 solid solutions with a higher lanthanum content in comparison with the surrounding crystallites. Annealing of the ceramics at 1500 degrees C for 2 h leads to the elimination of the second phase.
DOI10.1002/pssb.201900500
WOS KeywordHIGH-TEMPERATURE SYNTHESIS ; TRANSPARENT CERAMICS ; LASER CERAMICS ; POLYCRYSTALLINE ; FABRICATION ; Y2O3 ; INTERFACES ; POWDERS ; DRAG ; YAG
Language英语
WOS Research AreaPhysics
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28295
Collection中国科学院上海硅酸盐研究所
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GB/T 7714
Balabanov, S,Demidova, K,Filofeev, S,et al. Influence of Lanthanum Concentration on Microstructure of (Ho1-xLax)(2)O-3 Magneto-Optical Ceramics[J]. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS,2020(8).
APA Balabanov, S.,Demidova, K.,Filofeev, S.,Ivanov, M.,Kuznetsov, D.,...&Rostokina, E.(2020).Influence of Lanthanum Concentration on Microstructure of (Ho1-xLax)(2)O-3 Magneto-Optical Ceramics.PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS(8).
MLA Balabanov, S,et al."Influence of Lanthanum Concentration on Microstructure of (Ho1-xLax)(2)O-3 Magneto-Optical Ceramics".PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS .8(2020).
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