Interface relaxation in electrophoretic deposition of polymer chains: Effects of segmental dynamics, molecular weight, and field

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dc.creatorBentrem, Frank W.
dc.creatorXie, Jun
dc.creatorPandey, R. B.
dc.date2006-06-13
dc.date.accessioned2026-07-07T07:12:38Z
dc.date.available2026-07-07T07:12:38Z
dc.descriptionUsing different segmental dynamics and relaxation, characteristics of the interface growth is examined in an electrophoretic deposition of polymer chains on a three (2+1) dimensional discrete lattice with a Monte Carlo simulation. Incorporation of faster modes such as crankshaft and reptation movements along with the relatively slow kink-jump dynamics seems crucial in relaxing the interface width. As the continuously released polymer chains are driven (via segmental movements) and deposited, the interface width $W$ grows with the number of time steps $t$, $W \propto t^β,$ ($β\sim 0.4$--$0.8)$, which is followed by its saturation to a steady-state value $W_s$. Stopping the release of additional chains after saturation while continuing the segmental movements relaxes the saturated width to an equilibrium value ($W_s \to W_r$). Scaling of the relaxed interface width $W_r$ with the driving field $E$, $W_r \propto E^{-1/2}$ remains similar to that of the steady-state $W_s$ width. In contrast to monotonic increase of the steady-state width $W_s$, the relaxed interface width $W_r$ is found to decay (possibly as a stretched exponential) with the molecular weight.
dc.description5 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0606342
dc.identifierhttp://arxiv.org/abs/cond-mat/0606342
dc.identifierPhys. Rev. E 65, 041606 (2002)
dc.identifierdoi:10.1103/PhysRevE.65.041606
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112141
dc.subjectSoft Condensed Matter
dc.subjectMaterials Science
dc.titleInterface relaxation in electrophoretic deposition of polymer chains: Effects of segmental dynamics, molecular weight, and field
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