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Defect-induced pi-magnetism into non-benzenoid nanographenes
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SYSNO ASEP 0568417 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Defect-induced pi-magnetism into non-benzenoid nanographenes Author(s) Biswas, K. (ES)
Yang, L. (DE)
Ma, J. (DE)
Sánchez-Grande, A. (ES)
Chen, Qifan (FZU-D)
Lauwaet, K. (ES)
Gallego, J. M. (ES)
Miranda, R. (ES)
Écija, D. (ES)
Jelínek, Pavel (FZU-D) RID, ORCID
Feng, X.L. (DE)
Urgel, J. I. (ES)Number of authors 12 Article number 224 Source Title Nanomaterials. - : MDPI
Roč. 12, č. 2 (2022)Number of pages 9 s. Language eng - English Country CH - Switzerland Keywords on-surface synthesis ; nanomagnetism ; polycyclic aromatic hydrocarbons ; nanographenes ; open-shell character ; STM ; nc-AFM Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GX20-13692X GA ČR - Czech Science Foundation (CSF) LM2018110 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000747511300001 EID SCOPUS 85122654761 DOI 10.3390/nano12020224 Annotation The synthesis of nanographenes (NGs) with open-shell ground states have recently attained increasing attention in view of their interesting physicochemical properties and great prospects in manifold applications as suitable materials within the rising field of carbon-based magnetism. A potential route to induce magnetism in NGs is the introduction of structural defects, for instance non-benzenoid rings, in their honeycomb lattice. Here, we report the on-surface synthesis of three open-shell non-benzenoid NGs (A1, A2 and A3) on the Au(111) surface. A1 and A2 contain two five- and one seven-membered rings within their benzenoid backbone, while A3 incorporates one five-membered ring. Their structures and electronic properties have been investigated by means of scanning tunneling microscopy, noncontact atomic force microscopy and scanning tunneling spectroscopy complemented with theoretical calculations. Our results provide access to open-shell NGs with a combination of non-benzenoid topologies previously precluded by conventional synthetic procedures. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023 Electronic address https://hdl.handle.net/11104/0339728
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