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Magnetic nanoribbons with embedded cobalt grown inside single-walled carbon nanotubes

Krichevsky, Denis M.; Shi, Lei; Baturin, Vladimir S.; Rybkovsky, Dmitry V.; Wu, Yangliu; Fedotov, Pavel V.; Obraztsova, Elena D.; Kapralov, Pavel O.; Shilina, Polina V.; Fung, Kayleigh; Stoppiello, Craig T.; Belotelov, Vladimir I.; Khlobystov, Andrei; Chernov, Alexander I.

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Authors

Denis M. Krichevsky

Lei Shi

Vladimir S. Baturin

Dmitry V. Rybkovsky

Yangliu Wu

Pavel V. Fedotov

Elena D. Obraztsova

Pavel O. Kapralov

Polina V. Shilina

Kayleigh Fung

Craig T. Stoppiello

Vladimir I. Belotelov

Alexander I. Chernov



Abstract

Molecular magnetism and specifically magnetic molecules have recently gained plenty of attention as key elements for quantum technologies, information processing, and spintronics. Transition to the nanoscale and implementation of ordered structures with defined parameters is crucial for advanced applications. Single-walled carbon nanotubes (SWCNTs) provide natural one-dimensional confinement that can be implemented for encapsulation, nanosynthesis, and polymerization of molecules into nanoribbons. Recently, the formation of atomically precise graphene nanoribbons inside SWCNTs has been reported. However, there have been only a limited amount of approaches to form ordered magnetic structures inside the nanotube channels and the creation of magnetic nanoribbons is still lacking. In this work we synthesize and reveal the properties of cobalt-phthalocyanine based nanoribbons (CoPcNRs) encapsulated in SWCNTs. Raman spectroscopy, transmission electron microscopy, absorption spectroscopy, and density functional theory calculations allowed us to confirm the encapsulation and to reveal the specific fingerprints of CoPcNRs. The magnetic properties were studied by transverse magnetooptical Kerr effect measurements, which indicated a strong difference in comparison with the pristine unfilled SWCNTs due to the impact of Co incorporated atoms. We anticipate that this approach of polymerization of encapsulated magnetic molecules inside SWCNTs will result in a diverse class of protected low-dimensional ordered magnetic materials for various applications.

Journal Article Type Article
Acceptance Date Dec 27, 2021
Online Publication Date Dec 27, 2021
Publication Date Feb 7, 2022
Deposit Date Mar 18, 2022
Publicly Available Date Dec 28, 2022
Journal Nanoscale
Print ISSN 2040-3364
Electronic ISSN 2040-3372
Publisher Royal Society of Chemistry (RSC)
Peer Reviewed Peer Reviewed
Volume 14
Issue 5
Pages 1978-1989
DOI https://doi.org/10.1039/d1nr06179h
Keywords General Materials Science
Public URL https://nottingham-repository.worktribe.com/output/7353465
Publisher URL https://pubs.rsc.org/en/content/articlelanding/2022/NR/D1NR06179H

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