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Showing 1–8 of 8 results
Advanced filters: Author: David Écija Clear advanced filters

  • Recent advances in the synthesis of graphene fragments that possess unpaired π-electrons and display high-spin ground states have unlocked possibilities to explore exotic physical phenomena related to magnetism. Here, the authors demonstrate the magnetic bistability of a diradical nanographene that allows direct spin manipulation at the single-molecule level.

    • Moheb Karbasiyoun
    • Marco Di Giovannantonio
    • Michal Juríček
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-9

  • Quasicrystalline materials exhibit long-range order but no translational periodicity. Now, a random tiling quasicrystal has been fabricated on a Au(111) surface by coordination interactions between europium centres and linear dicarbonitrile linkers under stoichiometry control. The 2D metal–organic network exhibits the simultaneous presence of four-, five- and six-fold vertices and dodecagonal symmetry.

    • José I. Urgel
    • David Écija
    • Johannes V. Barth
    Research
    Nature Chemistry
    Volume: 8, P: 657-662

  • An on-surface synthetic route for the regio- and stereoselective coupling of indenyl moieties, affording the design of π-conjugated acenoindenylidene polymers on Au(111), is reported. The relationship between the structural parity of the polymers and their electronic properties reveals the emergence of highly delocalized soliton quasiparticles in odd-membered polymers.

    • Kalyan Biswas
    • Jesús Janeiro
    • David Écija
    Research
    Nature Synthesis
    Volume: 4, P: 233-242

  • This study supports neurofilament light chain protein (NfL) in both cerebrospinal fluid (CSF) and blood as an early marker of neurodegeneration in Alzheimer’s disease but suggests that NfL in CSF may be better suited than blood for monitoring clinical trial outcomes in symptomatic patients.

    • Anna Hofmann
    • Lisa M. Häsler
    • Jinbin Xu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Development of strategies for the synthesis of pi-conjugated polymers is hampered by limited solubility. Here, the authors report a synthetic protocol based on the search for specific vibrational modes through an appropriate tailoring of the p-conjugation of the precursors, in order to increase the attempt frequency of a chemical reaction.

    • Bruno de la Torre
    • Adam Matěj
    • David Écija
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • Interfaces between organic molecules and metal surfaces have a key role in determining the performance of many emerging technologies. Now an intensive experimental study — supported by calculations — of tetracyano-p-quinodimethane molecules on a copper surface, reveals structural rearrangement of both the organic molecules and the surface atoms after charge transfer across the interface.

    • Tzu-Chun Tseng
    • Christian Urban
    • Rodolfo Miranda
    Research
    Nature Chemistry
    Volume: 2, P: 374-379

  • Bringing porphyrins in contact with well-defined interfaces generates a rich playground of chemical behaviour and properties for exploration and exploitation. This Review examines our current understanding of surface-confined tetrapyrroles and their embedding in nanoarchitectures - discussing both the structural and functional attributes, and methods by which to manipulate their intramolecular and organizational features.

    • Willi Auwärter
    • David Écija
    • Johannes V. Barth
    Reviews
    Nature Chemistry
    Volume: 7, P: 105-120