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|Title:||Adsorption transition of a grafted ferromagnetic filament controlled by external magnetic fields|
|Authors:||Sánchez, P. A.|
Novak, E. V.
Pyanzina, E. S.
Kantorovich, S. S.
Cerdà, J. J.
|Publisher:||American Physical Society|
|Citation:||Adsorption transition of a grafted ferromagnetic filament controlled by external magnetic fields / P. A. Sánchez, E. V. Novak, E. S. Pyanzina, et al. — DOI 10.1103/PhysRevE.102.022609 // Physical Review E. — 2020. — Vol. 102. — Iss. 2. — 022609.|
|Abstract:||Extensive Langevin dynamics simulations are used to characterize the adsorption transition of a flexible magnetic filament grafted onto an attractive planar surface. Our results identify different structural transitions at different ratios of the thermal energy to the surface attraction strength: filament straightening, adsorption, and the magnetic flux closure. The adsorption temperature of a magnetic filament is found to be higher in comparison to an equivalent nonmagnetic chain. The adsorption has been also investigated under the application of a static homogeneous external magnetic field. We found that the strength and the orientation of the field can be used to control the adsorption process, providing a precise switching mechanism. Interestingly, we have observed that the characteristic field strength and tilt angle at the adsorption point are related by a simple power law. © 2020 American Physical Society.|
EXTERNAL MAGNETIC FIELD
|metadata.dc.description.sponsorship:||This research was supported by the Russian Science Foundation, Grant No. 19-12-00209. T.S. acknowledges support by the Spanish AEI/MCI/FEDER(UE), Grant No. RTI2018-095441-B-C22, and The Maria de Maeztu R&D Program (Grant No. MDM-2017-0711). Simulations were carried out at the Vienna Scientific Cluster (VSC).|
|RSCF project card:||19-12-00209|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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