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Liquid Crystals
Open AccessArticle

Skull Melting Growth and Characterization of (ZrO2)0.89(Sc2O3)0.1(CeO2)0.01 Crystals

1
Institute of Solid State Physics, Russian Academy of Sciences, Academician Osip’yan str. 2, Chernogolovka, 142432 Moscow, Russia
2
Moscow Institute of Physics and Technology, Instituskiy per. 9, Dolgoprudniy, 141701 Moscow, Russia
3
Prokhorov General Physics Institute, Russian Academy of Sciences, VavilovStr. 38, 119991 Moscow, Russia
4
National University of Science and Technology (MISIS), Leninskiy prospekt 4, 119049 Moscow, Russia
5
State Scientific-Research and Design Institute of Rare-Metal Industry “Giredmet” JSC, B. Tolmachevsky per. 5-1, 119017 Moscow, Russia
*
Author to whom correspondence should be addressed.
Crystals 2020, 10(1), 49; https://doi.org/10.3390/cryst10010049
Received: 26 December 2019 / Revised: 16 January 2020 / Accepted: 17 January 2020 / Published: 19 January 2020
(This article belongs to the Special Issue Kinetic Processes of Crystal Growth)
(ZrO2)0.89(Sc2O3)0.1(CeO2)0.01 crystals have been grown by directional melt crystallization in a cold crucible. The chemical and phase compositions of the crystals have been characterized using energy dispersion X-ray spectroscopy (EDX), Raman scattering spectroscopy and transmission electron microscopy (TEM). The X-ray photoelectron emission method has been used for determining the valence state of the Ce ions. We show that directional melt crystallization produces an inhomogeneous ceria distribution along the crystal length. The as-grown crystals are mixtures of cubic and rhombohedral zirconia modifications. The rhombohedral phase has an inhomogeneous distribution along crystal length. Melt crystallization does not produce single-phase cubic (ZrO2)0.89(Sc2O3)0.1(CeO2)0.01 crystals. The formation of the phase structure in the crystals for different synthesis methods has been discussed. View Full-Text
Keywords: directional solidification; growth from melt; ZrO2–Sc2O3–CeO2; dielectric materials; solid electrolytes directional solidification; growth from melt; ZrO2–Sc2O3–CeO2; dielectric materials; solid electrolytes
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Agarkov, D.; Borik, M.; Eliseeva, G.; Kulebyakin, A.; Lomonova, E.; Milovich, F.; Myzina, V.; Parkhomenko, Y.; Skryleva, E.; Tabachkova, N. Skull Melting Growth and Characterization of (ZrO2)0.89(Sc2O3)0.1(CeO2)0.01 Crystals. Crystals 2020, 10, 49.

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