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Processing and microstructure of LaCrO3 thin film derived from chelating precursors
Alternative TitleJ. Rare Earths
Lu, XC; Xu, TX; Dong, XH
2000-09-01
Source PublicationJOURNAL OF RARE EARTHS
ISSN1002-0721
Volume18Issue:3Pages:196-200
AbstractLaCrO3 thin films were successfully prepared at lower temperatures by the sol-gel process based on organic chelating precursors. The formation and transition of the gel derived from the chelate solution were analyzed by means of IR, DTA-TG, XRD and TEM. In addition, the formation and microstructure of thin films were investigated by SEM and XRD. The results show that the gel formed by the condensation reaction is decomposed at about 195 degrees C, transformed into a great quantity of LaCrO3 by heat-treating at 200 degrees C for 1 h, and the complexing ways in the gel have an important influence upon the formation of LaCrO3. The formation process of thin film includes the nucleation and growth on the substrate, the formation of polycrystalline islands and the continuous film by repeating the dip-coating process. Higher heat-treatment temperature gives rise to larger granules in the thin film.; LaCrO3 thin films were successfully prepared at lower temperatures by the sol-gel process based on organic chelating precursors. The formation and transition of the gel derived from the chelate solution were analyzed by means of IR, DTA-TG, XRD and TEM. In addition, the formation and microstructure of thin films were investigated by SEM and XRD. The results show that the gel formed by the condensation reaction is decomposed at about 195 degrees C, transformed into a great quantity of LaCrO3 by heat-treating at 200 degrees C for 1 h, and the complexing ways in the gel have an important influence upon the formation of LaCrO3. The formation process of thin film includes the nucleation and growth on the substrate, the formation of polycrystalline islands and the continuous film by repeating the dip-coating process. Higher heat-treatment temperature gives rise to larger granules in the thin film.
KeywordRare Earths Thin Film Deposition Process Organic Chelate Lanthanum Orthochromite
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
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Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Applied
WOS IDWOS:000089231300009
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6032
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
2.Tianjin Univ, Inst Mat Sci & Engn, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Lu, XC,Xu, TX,Dong, XH. Processing and microstructure of LaCrO3 thin film derived from chelating precursors[J]. JOURNAL OF RARE EARTHS,2000,18(3):196-200.
APA Lu, XC,Xu, TX,&Dong, XH.(2000).Processing and microstructure of LaCrO3 thin film derived from chelating precursors.JOURNAL OF RARE EARTHS,18(3),196-200.
MLA Lu, XC,et al."Processing and microstructure of LaCrO3 thin film derived from chelating precursors".JOURNAL OF RARE EARTHS 18.3(2000):196-200.
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