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Chirality-induced Spin Selectivity in Functionalized Carbon Nanotube Networks: The Role of Spin-orbit Coupling
dc.contributor.author | Firouzeh, Seyedamin | |
dc.contributor.author | Illescas Lopez, Sara | |
dc.contributor.author | Hossain, Md. Anik | |
dc.contributor.author | Cuerva Carvajal, Juan Manuel | |
dc.contributor.author | Álvarez Cienfuegos Rodríguez, Luis | |
dc.contributor.author | Pramanik, Sandipan | |
dc.date.accessioned | 2023-07-21T11:33:26Z | |
dc.date.available | 2023-07-21T11:33:26Z | |
dc.date.issued | 2023-07-19 | |
dc.identifier.citation | J. Chem. Phys. 159, 034708 (2023) | es_ES |
dc.identifier.uri | https://hdl.handle.net/10481/83916 | |
dc.description.abstract | Spin–orbit coupling in a chiral medium is generally assumed to be a necessary ingredient for the observation of the chirality-induced spin selectivity (CISS) effect. However, some recent studies have suggested that CISS may manifest even when the chiral medium has zero spin–orbit coupling. In such systems, CISS may arise due to an orbital polarization effect, which generates an electromagnetochiral anisotropy in two-terminal conductance. Here, we examine these concepts using a chirally functionalized carbon nanotube network as the chiral medium. A transverse measurement geometry is used, which nullifies any electromagnetochiral contribution but still exhibits the tell-tale signs of the CISS effect. This suggests that CISS may not be explained solely by electromagnetochiral effects. The role of nanotube spin–orbit coupling on the observed pure CISS signal is studied by systematically varying nanotube diameter. We find that the magnitude of the CISS signal scales proportionately with the spin–orbit coupling strength of the nanotubes. We also find that nanotube diameter dictates the supramolecular chirality of the medium, which in turn determines the sign of the CISS signal. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | AIP Publishing | es_ES |
dc.rights | Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License | |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/ | |
dc.title | Chirality-induced Spin Selectivity in Functionalized Carbon Nanotube Networks: The Role of Spin-orbit Coupling | es_ES |
dc.type | journal article | es_ES |
dc.rights.accessRights | open access | es_ES |
dc.identifier.doi | 10.1063/5.0156348 |