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Phase diagram for a single flexible Stockmayer polymer at zero field

AuthorsCerdà, Joan J. ; Sánchez, Pedro A. ; Holm, Christian; Sintes, Tomàs
Issue Date2013
PublisherRoyal Society of Chemistry (UK)
CitationSoft Matter 9: 7185-7195 (2013)
AbstractThe equilibrium conformations of a flexible permanent magnetic filament that consists of a sequence of linked magnetic colloidal nanoparticles with short-ranged Lennard-Jones attractive interactions (Stockmayer polymer) are thoroughly analysed via Langevin dynamics simulations. A tentative phase diagram is presented for a chain of length N = 100. The phase diagram exhibits several unusual conformational phases when compared to non-magnetic chains. These phases are characterised by a large degree of conformational anisotropy, and consist of closed chains, helicoidal-like states, partially collapsed states, and very compact disordered states. The phase diagram contains several interesting features like the existence of at least two 'triple points'. © 2013 The Royal Society of Chemistry.
Publisher version (URL)http://dx.doi.org/10.1039/c3sm50278c
Identifiersdoi: 10.1039/c3sm50278c
issn: 1744-683X
e-issn: 1744-6848
Appears in Collections:(IFISC) Artículos
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