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Enhanced colloidal transport in twisted magnetic patterns

Title data

Stuhlmüller, Nico C. X. ; Fischer, Thomas ; de las Heras, Daniel:
Enhanced colloidal transport in twisted magnetic patterns.
In: Communications Physics. Vol. 5 (2022) Issue 1 . - No. 48.
ISSN 2399-3650
DOI: https://doi.org/10.1038/s42005-022-00824-3

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
Open Access PublizierenNo information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Bilayers of two-dimensional materials twisted at specific angles can exhibit exceptional properties such as the occurrence of unconventional superconductivity in twisted graphene. We demonstrate here that novel phenomena in twisted materials emerges also in particle-based classical systems. We study the transport of magnetic colloidal particles driven by a drift force and located between two twisted periodic magnetic patterns with either hexagonal or square symmetry. The magnetic potential generated by patterns twisted at specific magic angles develops flat channels, which increase the mobility of the colloidal particles compared to that in single patterns. We characterize the effect of the temperature and that of the magnitude of the drift force on the colloidal mobility. The transport is more enhanced in square than in hexagonal twisted patterns. Our work extends twistronics to classical soft matter systems with potential applications to lab-on-a-chip devices.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics II
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Professor Experimental Physics X > Professor Experimental Physics X - Univ.-Prof. Dr. Thomas Fischer
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Professor Experimental Physics X
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 17 Sep 2022 21:00
Last Modified: 18 Nov 2022 06:18
URI: https://eref.uni-bayreuth.de/id/eprint/71897