Tuning the melting point and phase stability of rare-earth oxides to facilitate their crystal growth from the melt
Tuning the melting point and phase stability of rare-earth oxides to facilitate their crystal growth from the melt
复制标题
调节稀土氧化物的熔点和相稳定性,以促进其晶体从熔体中生长
DOI:
10.1007/s40145-022-0625-z
复制
发表时间:
2022
影响因子:
16.9
通讯作者:
Zhuravleva, Mariya
中科院分区:
文献类型:
--
作者:
Pianassola, Matheus;Anderson, Kaden L.;Safin, Joshua;Agca, Can;McMurray, Jake W.;Chakoumakos, Bryan C.;Neuefeind, Jöerg C.;Melcher, Charles L.;Zhuravleva, Mariya
The challenge of growing rare-earth (RE) sesquioxide crystals can be overcome by tailoring their structural stability and melting point via composition engineering. This work contributes to the advancement of the field of crystal growth of high-entropy oxides. A compound with only small REs (Lu,Y,Ho,Yb,Er)2O3maintains a cubic C-type structure upon cooling from the melt, as observed viain-situhigh-temperature neutron diffraction on aerodynamically levitated samples. On the other hand, a compound with a mixture of small and large REs (Lu,Y,Ho,Nd,La)2O3crystallizes as a mixture of a primary C-type phase with an unstable secondary phase. Crystals of compositions (Lu,Y,Ho,Nd,La)2O3and (Lu,Y,Gd,Nd,La)2O3were grown by the micro-pulling-down (mPD) method with a single monoclinic B-type phase, while a powder of (Lu,Y,Ho,Yb,Er)2O3did not melt at the maximum operating temperature of an iridium-rhenium crucible. The minimization of the melting point of the two grown crystals is attributed to the mismatch in cation sizes. The electron probe microanalysis reveals that the general element segregation behavior in the crystals depends on the composition.
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DOI:
10.1016/s0021-9614(73)80021-7
发表时间:
1973
期刊:
The Journal of Chemical Thermodynamics
影响因子:
--
作者:
R. J. Ackermann;E. Rauh
通讯作者:
E. Rauh
影响因子:
3.9
作者:
Pianassola, Matheus;Loveday, Madeline;Zhuravleva, Mariya
通讯作者:
Zhuravleva, Mariya
DOI:
--
发表时间:
2022
期刊:
影响因子:
--
作者:
呉恵讃;大野智也;松田剛;平井慈人
通讯作者:
平井慈人
影响因子:
3.9
作者:
K. Ovanesyan;A. Petrosyan;G. Shirinyan;C. Pedrini;L. Zhang
通讯作者:
L. Zhang
影响因子:
1.8
作者:
R. Uecker
通讯作者:
R. Uecker