Solution synthesis and growth mechanism of SrTiO sub(3) mesocrystals

Single-crystalline SrTiO sub(3) mesocrystals were synthesized viasol-precipitation coupled with a hydrothermal process using oleic acid as a capping agent. To clarify the growth mechanism, the time-dependence morphology, size, and growth process of SrTiO sub(3) mesocrystal were investigated. SrTiO s...

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Veröffentlicht in:CrystEngComm 2012-12, Vol.15 (4), p.679-685
Hauptverfasser: Park, Nam-Hee, Wang, Yifeng, Seo, Won-Seon, Dang, Feng, Wan, Chunlei, Koumoto, Kunihito
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container_title CrystEngComm
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creator Park, Nam-Hee
Wang, Yifeng
Seo, Won-Seon
Dang, Feng
Wan, Chunlei
Koumoto, Kunihito
description Single-crystalline SrTiO sub(3) mesocrystals were synthesized viasol-precipitation coupled with a hydrothermal process using oleic acid as a capping agent. To clarify the growth mechanism, the time-dependence morphology, size, and growth process of SrTiO sub(3) mesocrystal were investigated. SrTiO sub(3) mesocrystals formed from oriented aggregates of Sr-Ti-O nanorods, which were subsequently transformed into irregular morphologies viathe formation of the SrTiO sub(3) phase. Then oriented fusion of the irregular particles gave a mesocrystal structure. The addition of oleic acid accelerated the formation of Sr-Ti-O nanorods, oriented the fusion of irregular SrTiO sub(3) particles, and formed the cubic morphology of SrTiO sub(3) mesocrystals.
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To clarify the growth mechanism, the time-dependence morphology, size, and growth process of SrTiO sub(3) mesocrystal were investigated. SrTiO sub(3) mesocrystals formed from oriented aggregates of Sr-Ti-O nanorods, which were subsequently transformed into irregular morphologies viathe formation of the SrTiO sub(3) phase. Then oriented fusion of the irregular particles gave a mesocrystal structure. The addition of oleic acid accelerated the formation of Sr-Ti-O nanorods, oriented the fusion of irregular SrTiO sub(3) particles, and formed the cubic morphology of SrTiO sub(3) mesocrystals.</abstract><doi>10.1039/c2ce26409a</doi></addata></record>
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Capping
Coupling agents
Formations
Morphology
Nanorods
Oleic acid
Strontium
Strontium titanates
title Solution synthesis and growth mechanism of SrTiO sub(3) mesocrystals
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