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Synthesis and characterization of peri-heptacene on a metallic surface

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F22%3A00560757" target="_blank" >RIV/68378271:_____/22:00560757 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15640/22:73618771

  • Result on the web

    <a href="https://doi.org/10.1002/anie.202114983" target="_blank" >https://doi.org/10.1002/anie.202114983</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/anie.202114983" target="_blank" >10.1002/anie.202114983</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Synthesis and characterization of peri-heptacene on a metallic surface

  • Original language description

    The synthesis of long n-peri-acenes (n-PAs) is challenging as a result of their inherent open-shell radical character, which arises from the presence of parallel zigzag edges beyond a certain n value. They are considered as π-electron model systems to study magnetism in graphene nanostructures, being potential candidates in the fabrication of optoelectronic and spintronic devices. Here, we report the on-surface formation of the largest pristine member of the n-PA family, i.e. peri-heptacene (n=7, 7-PA), obtained on an Au(111) substrate under ultra-high vacuum conditions. Our high-resolution scanning tunneling microscopy investigations, complemented by theoretical simulations, provide insight into the chemical structure of this previously elusive compound. In addition, scanning tunneling spectroscopy reveals the antiferromagnetic open-shell singlet ground state of 7-PA, exhibiting singlet–triplet spin-flip inelastic excitations with an effective exchange coupling (Jeff) of 49 meV.n

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

    <a href="/en/project/GX20-13692X" target="_blank" >GX20-13692X: 1D molecular chains on surfaces</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Angewandte Chemie - International Edition

  • ISSN

    1433-7851

  • e-ISSN

    1521-3773

  • Volume of the periodical

    61

  • Issue of the periodical within the volume

    23

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    5

  • Pages from-to

    e202114983

  • UT code for WoS article

    000788357500001

  • EID of the result in the Scopus database

    2-s2.0-85128921096