【摘 要】
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The high-purity and superfine high-entropy zirconate nanopowders,namely(Y0.25La0.25Sm0.25Eu0.25)2Zr2O7 nanopowders,without agglomeration,were successfully synthesized via polymerized complex method at low temperatures for the first time.The results showed
【机 构】
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School of Materials Science and Engineering,South China University of Technology,Guangzhou 510641,Ch
论文部分内容阅读
The high-purity and superfine high-entropy zirconate nanopowders,namely(Y0.25La0.25Sm0.25Eu0.25)2Zr2O7 nanopowders,without agglomeration,were successfully synthesized via polymerized complex method at low temperatures for the first time.The results showed that the crystallinity degree,lattice strain,and particle size of the as-synthesized powders were gradually enhanced with the increase of the synthesis temperature from 800 to 1300℃.The as-synthesized powders involved fluorite phase in the range of 800-1200℃while they underwent the phase evolution from fluorite to pyrochlore at 1300℃.It is worth mentioning that the as-synthesized powders at 900℃are of the highest quality among all the as-synthesized powders,which is due to the fact that they not only possess the particle size of 11 nm without agglomeration,but also show high purity and good compositional uniformity.
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