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Dominant Role of Compromise between Diffusion and Reaction in the Formation of Snow-Shaped Vaterite
Wang, Han1,2; Han, Yongsheng1; Li, Jinghai1
2013-05-01
Source PublicationCRYSTAL GROWTH & DESIGN
Volume13Issue:5Pages:1820-1825
AbstractThe diffusion and reaction are two general kinetic factors playing an important role in the structure development of materials. Upon diffusion limitation, a noncompact structure is easily formed, while a compact structure is usually formed in, a reaction-limited condition. In this Article, we take the precipitation of calcium carbonate as an example to discover the roles of diffusion and reaction in shaping particles. By adjusting the diffusion and reaction in a three-cell reactor, we synthesize snow-shaped particles, which are a new morphology of calcium carbonate. The microscopic characterization shows that the microparticle is composed of aggregates of nanoparticles. Computer simulation suggests that the snow-shaped particle is formed in a condition that the diffusion and reaction compete to regulate the structure of particles and their compromise leads to the formation of snow-shaped morphology, which is confirmed by later experiments. The following discussion concentrates on the compromise concept to disclose its essence and role in shaping particles, which brings us a new view on the physical mechanisms governing the diversity of materials structures.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordREACTION-LIMITED AGGREGATION ; CALCIUM-CARBONATE ; CONTROLLED CRYSTALLIZATION ; METAL NANOCRYSTALS ; CACO3 CRYSTALS ; GROWTH-MODEL ; MORPHOLOGY ; NANOPARTICLES ; SUPERSTRUCTURES ; MESOCRYSTALS
WOS Research AreaChemistry ; Crystallography ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Crystallography ; Materials Science, Multidisciplinary
WOS IDWOS:000318468400005
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13485
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, EMMS Grp, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100490, Peoples R China
Recommended Citation
GB/T 7714
Wang, Han,Han, Yongsheng,Li, Jinghai. Dominant Role of Compromise between Diffusion and Reaction in the Formation of Snow-Shaped Vaterite[J]. CRYSTAL GROWTH & DESIGN,2013,13(5):1820-1825.
APA Wang, Han,Han, Yongsheng,&Li, Jinghai.(2013).Dominant Role of Compromise between Diffusion and Reaction in the Formation of Snow-Shaped Vaterite.CRYSTAL GROWTH & DESIGN,13(5),1820-1825.
MLA Wang, Han,et al."Dominant Role of Compromise between Diffusion and Reaction in the Formation of Snow-Shaped Vaterite".CRYSTAL GROWTH & DESIGN 13.5(2013):1820-1825.
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