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dc.contributor.author강미숙ko
dc.contributor.author김현수ko
dc.date.accessioned2015-12-17T03:03:00Z-
dc.date.available2015-12-17T03:03:00Z-
dc.date.created2015-11-13-
dc.date.issued201310-
dc.identifier.citationJOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, v.68, no.1, pp.110 - 120-
dc.identifier.issn0928-0707-
dc.identifier.urihttp://hdl.handle.net/YU.REPOSITORY/28833-
dc.identifier.urihttp://dx.doi.org/10.1007/s10971-013-3142-2-
dc.description.abstractThis study focused on synthesizing highly crystalline alpha-Al2O3 at low temperatures. We found that when a small amount of hexagonal structured aluminum fluoride seeds (AlF3) were added to aluminum precursors, the crystal phase transformation temperature required to form alpha-Al2O3 were considerably lowered and the produced alpha-Al2O3 particles showed hexagonal shapes. Furthermore, when 2.0 mol% of hexagonal structured-AlF3 particles were added as seed to sol-solutions containing various aluminum precursors such as AIP, AlCl3, Al(NO3)(3) or AlOOH, rhombohedral alpha-Al2O3 particles were formed at 750 A degrees C regardless of the use of alumina precursors. Scanning electron microscopy photos showed the alpha-Al2O3 particles produced had hexagonal shapes, and that the morphologies of these particles depended on the primitive structures of the AlF3 seeds added. Based on the relationship between alpha-Al2O3 crystallites sizes and calcination temperatures, crystal growth in alpha-Al2O3 structure was enhanced by adding AlF3 seeds.-
dc.language영어-
dc.publisherSPRINGER-
dc.subjectLOW-TEMPERATURE SYNTHESIS-
dc.subjectBAYER PROCESS-
dc.subjectCRYSTALLIZATION-
dc.subjectALPHA-AL2O3-
dc.subjectCERAMICS-
dc.subjectHYDROXIDE-
dc.subjectBEHAVIOR-
dc.subjectPOWDERS-
dc.titleRapid crystal phase transformation into hexagonally shaped alpha-alumina using AlF3 seeds-
dc.typeArticle-
dc.identifier.wosid000326077200015-
dc.identifier.scopusid2-s2.0-84887319072-
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이과대학 > 화학생화학부 > Articles
문과대학 > 중국언어문화학과 > Articles
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