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http://ir.ncue.edu.tw/ir/handle/987654321/16573
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| Title: | Adsorption Transition of a Polyelectrolyte on a High-Dielectric Charged Substrate |
| Authors: | Cheng, Chi-Ho;Lai, Pik-Yin |
| Contributors: | 物理學系 |
| Date: | 2004
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| Issue Date: | 2013-05-28T07:11:44Z
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| Publisher: | The American Physical Society |
| Abstract: | The behavior of a polyelectrolyte adsorbed on a charged surface of high-dielectric constant is studied by both Monte Carlo simulation and analytical methods. It is found that in a low ionic strength medium, the transition is first-order with the repulsive charged surface. The surface monomer density, which is the order parameter of the adsorption transition, follows a linear relation with surface charge density. It indicates that the polyelectrolyte is compressed on the substrate without any conformational change before the desorption. Finally, a different scaling law for the layer thickness is derived and verified by simulation. |
| Relation: | Physical Review E, 70(6): 061805 |
| Appears in Collections: | [物理學系] 期刊論文
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