Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4752458
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Funding
- National Science Foundation of China [11232006, 11072097, 11072096]
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Based on asymmetric contact, we present a contact charge model of high-energy trapped holes to predict the contact charging and explain the net charge transfer between identical silica glass surfaces in a single normal collision. Furthermore, the contact charging measurements are investigated on normal collisions of glassy particle-glassy particle-steel plane and glassy particle-glassy plane. The predicted results agree well with our experiments qualitatively and quantitatively: the impacting velocity and the particle size are two important factors affecting the magnitude of the contact charging. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4752458]
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