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2篇 您的检索式：作者名="ZANG DuYang"

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		题名	作者	年代	出处	被引量
	1	Pattern transition and sluggish cracking of colloidal droplet deposition with polymer additives显示文摘Drying of colloidal droplets often develops versatile depositions.We study the drying deposition of both colloidal droplets containing silica nanoparticles and the silica colloidal droplets with polyethylene oxide(PEO) additives.We focus on the effect of polymer additives on the deposition formation and the cracking dynamics by using in-situ microscope observation.With PEO additives,a transition from ring-like deposition to uniform deposition is observed,and the cracking dynamics is greatly reduced.The PEO additives enhance the adsorption of particles at the air-water interface,thus forming the network structure at the interface which blocks the outward capillary flow.This contributes to the uniform deposition.Meanwhile,the multi-distribution of the aggregates size enhances the non-homogeneity of the drying film and consequently results in multi-nucleation of cracks.This reduces the stress accumulation that drives the crack propagation and may be responsible for the sluggish cracking dynamics.	ZHANG YongJian LIU ZhengTang ZANG DuYang QIAN YiMeng LIN KeJun	2013	Science China(Physics,Mechanics & Astronomy)2013，56，9：	2
	2	Surface pressure anisotropy and complex relaxation of silica nanoparticle monolayer at the air-water interface显示文摘We report the anisotropy effect and the relaxation dynamics of surface pressure of silica nanoparticle monolayer at the air-water interface. The anisotropy of surface pressure occurs when the water surface is fully covered by particles and becomes more prominent with the increase of surface concentration. Hence, the conception of surface tensor was proposed to characterize the monolayer properties. The dynamics of pressure relaxation involves three timescales which are related to the damping of surface fluctuation, rearrangement of particle rafts and particle motion inside each raft. The anisotropy decays when the layer is kept static and the process is accelerated remarkably by barrier oscillation. The underlying physics mechanism is also discussed in detail for the origin of pressure anisotropy and its decay dynamics.	ZANG DuYang ZHANG YongJian	2011	Science China(Physics,Mechanics & Astronomy)2011，54，9：	0

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