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Fracture of colloidal single-crystal films fabricated by controlled vertical drying deposition
Cao H(曹鹤); Lan D(蓝鼎); Wang YR(王育人); Volinsky AA; Duan L(段俐); Jiang H; Wang YR
Source PublicationPhysical Review E
2010
Volume82Issue:3Pages:31602
ISSN1539-3755
AbstractControlled vertical drying deposition method was used to make high-quality single crystal close-packed colloidal films formed of different radii polystyrene latex spheres on glass substrates coming from a low concentration water suspension (0.1% volume fraction). Regardless of the spheres radii the film thickness was about 6.3 microns. However, cracks destroyed the crystalline film structure during the colloidal film growth. The effect of particle radius (85-215 nm range) on film cracking was systematically studied using in situ optical fracture monitoring. Primary parallel cracks run along the vertical growth direction, later followed by secondary branched cracks in-between the primary cracks due to residual water evaporation. Quantitative theoretical relationship between the cracks spacing and particles radius was derived and shows good agreement with experimental observations. Normalized cracks spacing is related to a reciprocal ratio of the dimensionless particle radius.
KeywordFine Particles Crack Patterns Forces Dispersions Suspension Contact Latexes Model Gaps
DOI10.1103/PhysRevE.82.031602
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Indexed BySCI
Language英语
WOS IDWOS:000281488400004
WOS KeywordFINE PARTICLES ; CRACK PATTERNS ; FORCES ; DISPERSIONS ; SUSPENSION ; CONTACT ; LATEXES ; MODEL ; GAPS
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas ; Physics, Mathematical
Funding OrganizationNational Natural Science Foundation of China [10832011] ; Chinese Academy of Sciences [KJCX2-YW-L08] ; National Science Foundation [CMMI-0600266]
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Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43635
Collection国家微重力实验室
Corresponding AuthorWang YR
Recommended Citation
GB/T 7714
Cao H,Lan D,Wang YR,et al. Fracture of colloidal single-crystal films fabricated by controlled vertical drying deposition[J]. Physical Review E,2010,82(3):31602.
APA 曹鹤.,蓝鼎.,王育人.,Volinsky AA.,段俐.,...&Wang YR.(2010).Fracture of colloidal single-crystal films fabricated by controlled vertical drying deposition.Physical Review E,82(3),31602.
MLA 曹鹤,et al."Fracture of colloidal single-crystal films fabricated by controlled vertical drying deposition".Physical Review E 82.3(2010):31602.
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