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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
2010
发表期刊Physical Review E
卷号82期号:3页码:31602
ISSN1539-3755
摘要Controlled 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.
关键词Fine Particles Crack Patterns Forces Dispersions Suspension Contact Latexes Model Gaps
DOI10.1103/PhysRevE.82.031602
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收录类别SCI
语种英语
WOS记录号WOS:000281488400004
关键词[WOS]FINE PARTICLES ; CRACK PATTERNS ; FORCES ; DISPERSIONS ; SUSPENSION ; CONTACT ; LATEXES ; MODEL ; GAPS
WOS研究方向Physics
WOS类目Physics, Fluids & Plasmas ; Physics, Mathematical
项目资助者National Natural Science Foundation of China [10832011] ; Chinese Academy of Sciences [KJCX2-YW-L08] ; National Science Foundation [CMMI-0600266]
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/43635
专题国家微重力实验室
通讯作者Wang YR
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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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