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Navio, CristinaAuthorValbuena, Miguel AAuthorMiranda, RodolfoAuthorCamarero, JulioAuthorMartinez, Jose IAuthor

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June 26, 2024
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On-surface synthesis of organolanthanide sandwich complexes

Publicated to: Advanced Science. 11 (24): e2308125- - 2024-06-01 11(24), DOI: 10.1002/advs.202308125

Authors:

Mathialagan, SK; Parreiras, SO; Tenorio, M; Cerna, L; Moreno, D; Muniz-Cano, B; Navio, C; Valvidares, M; Valbuena, MA; Urgel, JI; Gargiani, P; Miranda, R; Camarero, J; Martinez, JI; Gallego, JM; Ecija, D
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Affiliations

ALBA Synchrotron Light Source, Barcelona 08290, Spain - Author
Brno Univ Technol, Brno 60190, Czech Republic - Author
CSIC, Inst Ciencia Mat Madrid ICMM, Madrid 28049, Spain - Author
IMDEA Nanosci, Unidad Nanomat Avanzados, Unidad Asociada CSIC ICMM, Madrid 28049, Spain - Author
Inst Madrileno Estudios Avanzados Nanociencia IMDE, Madrid 28049, Spain - Author
Univ Autonoma Madrid, Mat Condensada & Condensed Matter Phys Ctr IFIMAC, Dept Fis Mat Condensada, Madrid 28049, Spain - Author
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Abstract

The synthesis of lanthanide-based organometallic sandwich compounds is very appealing regarding their potential for single-molecule magnetism. Here, it is exploited by on-surface synthesis to design unprecedented lanthanide-directed organometallic sandwich complexes on Au(111). The reported compounds consist of Dy or Er atoms sandwiched between partially deprotonated hexahydroxybenzene molecules, thus introducing a distinct family of homoleptic organometallic sandwiches based on six-membered ring ligands. Their structural, electronic, and magnetic properties are investigated by scanning tunneling microscopy and spectroscopy, X-ray absorption spectroscopy, X-ray linear and circular magnetic dichroism, and X-ray photoelectron spectroscopy, complemented by density functional theory-based calculations. Both lanthanide complexes self-assemble in close-packed islands featuring a hexagonal lattice. It is unveiled that, despite exhibiting analogous self-assembly, the erbium-based species is magnetically isotropic, whereas the dysprosium-based compound features an in-plane magnetization. The growth of a new family of organometallic sandwich complexes prepared by on-surface synthesis is demonstrated. These complexes are based on lanthanide atoms and partially deprotonated hexahydroxybenzene species. Their growth mechanism, structure, chemical configuration, electronic structure, and magnetic properties are disclosed. image
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Keywords

AnisotropyCharge-transferCircular dichroism spectroscopyDensity functional theoryDensity-functional-theoryDesignDichroismDysprosium compoundsHomolepticLanthanidesLiganMagnetsMoleculesNetworksOn-surface synthesisOn‐surface synthesisOrganolanthanidesOrganometallic chemistryOrganometallicsRare earth elementsSandwich complexesScanning tunneling microscopySingle moleculeSix-membered ringsStm/stsSynthesis (chemical)TemperatureX ray absorption spectroscopyX ray photoelectron spectroscopyXmcXmcd

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Advanced Science due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 33/461, thus managing to position itself as a Q1 (Primer Cuartil), in the category Materials Science, Multidisciplinary. Notably, the journal is positioned above the 90th percentile.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-10:

  • Google Scholar: 1
  • WoS: 7
  • Scopus: 1
  • Europe PMC: 2
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-10:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 9.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 9 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 7.
  • The number of mentions on the social network X (formerly Twitter): 12 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://repositorio.uam.es/handle/10486/717163
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Czech Republic.

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Awards linked to the item

S.K.M. and S.O.P. contributed equally to this work. The authors acknowledge the funding from the European Research Council (ERC, grant 766555), and Marie Sklodowska-Curie Actions (MSCA, project 894924) under the European Union's Horizon 2020 research and innovation program, from the EMPIR Programme co-financed by the Participating States and the European and Union's Horizon 2020 Research and Innovation Programme (grant EMPIR 20FUN03 COMET), from the Spanish MICINN (grants PID2020-113142RB-C21 and PLEC2021-007906 funded by MCIN/AEI/10.13039/501100011033, and TED2021-129416A-I00 funded by MCIN/AEI /10.13039/501100011033), and from Comunidad Autonoma de Madrid via 'Programa de Investigacion Tecnologias' 2018 and 2020 (FOTOART-CM S2018/NMT-4367 and FOTOSURF-CM Y2020/NMT-6469). The authors thank the support from the '(MAD2D-CM)-IMDEA-Nanociencia' project funded by Comunidad de Madrid, by the Recovery, Transformation, and Resilience Plan, and by NextGenerationEU from the European Union. M.A.V. and B.M.C. acknowledge support from the Spanish Ministry of Science and Innovation (MICINN) and the Spanish Research Agency MICIN/AEI through Project PID2021-123776NB-C21 (CONPHASETM). IMDEA Nanociencia acknowledges financial support from the Spanish Ministry of Science and Innovation 'Severo Ochoa' (Grant CEX2020-001039-S). The ALBA synchrotron is acknowledged for providing beam time at the BOREAS beamline (proposal number 2022035777).
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