Adhesion between submicrometer polystyrene spheres |
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Authors: | Xiao-Dong Wang Bo Chen Zhan-Shan Wang |
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Affiliation: | a Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Chinab Institute of Precision Optical Engineering, Department of Physics, Tongji University, Shanghai 200092, China |
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Abstract: | The sphere-substrate contact method was usually used to study adhesion theory because it is rather difficult to make two micrometer or submicrometer spheres contact precisely. Here, we used sphere-sphere contact method by a novel, simple process to investigate deformations of spheres. The polystyrene particles size ranges from 60 nm to 600 nm. We found that the polystyrene particles underwent plastic deformations due to van der Waals interaction. The contact radii were observed by the scanning electron microscope (SEM). |
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Keywords: | Adhesion Plastic deformation Polystyrene spheres |
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