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Fingerprints of super spin-glass state in two-dimensional nanoscopic system

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43926670" target="_blank" >RIV/60461373:22310/23:43926670 - isvavai.cz</a>

  • Alternative codes found

    RIV/44555601:13440/23:43897914

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S1293255823001450" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1293255823001450</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.solidstatesciences.2023.107253" target="_blank" >10.1016/j.solidstatesciences.2023.107253</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Fingerprints of super spin-glass state in two-dimensional nanoscopic system

  • Original language description

    Novel two-dimensional magnetic assembly was designed, manufactured, and its static and dynamic magnetic response was investigated. The assembly contains Fe3O4 nanoparticles of nominal size 7 nm which were deposited on plasma-treated polypropylene substrate using a grafting technique. The nanoparticles create agglomerates with size distribution ranging nominally from 10 nm to 110 nm. The temperature dependence of zero-field and field-cooled susceptibility is consistent with glassy behavior. The relative shift of maximum in alternating susceptibility Γ ≈ 0.075 and zυ = 10 obtained from critical slowing down analysis also support the formation of the collective states akin to super spin-glass. However, the absence of collapse in dynamic scaling of alternating susceptibility data using predictions for three-dimensional spin-glass with Gaussian distribution of magnetic coupling and two-dimensional bimodal spin-glass suggests that the studied system is not representative of the used limiting models. The investigation of memory effects revealed the coexistence of relaxation phenomena of collective degrees of freedom and individual nanoparticles. The obtained results suggest that the studied assembly is appropriate for the investigation of super spin-glass state in two-dimensional magnetic system with dominant dipolar interaction.

  • 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

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/GA21-02550S" target="_blank" >GA21-02550S: Plasmon induced excited spin state trapping in spin-crossover complexes</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Solid State Sciences

  • ISSN

    1293-2558

  • e-ISSN

  • Volume of the periodical

    142

  • Issue of the periodical within the volume

    August 2023

  • Country of publishing house

    FR - FRANCE

  • Number of pages

    8

  • Pages from-to

    "107253/1"-8

  • UT code for WoS article

    001048151100001

  • EID of the result in the Scopus database

    2-s2.0-85164701039