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Evolution of the Magnetic and Structural Properties with the Chemical Composition in Oleate-Capped Mn(x)Co(1-x)Fe2O4 Nanoparticles

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F21%3A10432596" target="_blank" >RIV/00216208:11320/21:10432596 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/21:10432596

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=4YiJzIDSzM" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=4YiJzIDSzM</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.jpcc.1c06211" target="_blank" >10.1021/acs.jpcc.1c06211</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Evolution of the Magnetic and Structural Properties with the Chemical Composition in Oleate-Capped Mn(x)Co(1-x)Fe2O4 Nanoparticles

  • Original language description

    Understanding the complex link among composition, microstructure, and magnetic properties paves the way to the rational design of well-defined magnetic materials. In this context, the evolution of the magnetic and structural properties in a series of oleate-capped manganese-substituted cobalt ferrites [Mn(x)Co(1-x)Fe2O4] with variable Co/Mn molar ratios is deeply discussed. Single-phase ferrites with similar crystallite and particle sizes (about 10 nm), size dispersity (14%), and weight percentage of capping oleate molecules (17%) were obtained by an oleate-based solvothermal approach. The similarities among the samples permitted the interpretation of the results exclusively on the basis of the actual composition, beyond the other parameters. The temperature and magnetic field dependences of the magnetization were studied together with the interparticle interactions by DC magnetometry. Characteristic temperatures (T-max, T-diff, and T-b), coercivity, anisotropy field, and reduced remanence were found to be affected by the Co/Mn ratio, mainly due to the magnetic anisotropy, interparticle interactions, and particle volume distribution. In addition, the cobalt and manganese distributions were hypothesized on the basis of the chemical composition, the inversion degree obtained by Fe-57 Mössbauer spectroscopy, the anisotropy constant, and the saturation magnetization.

  • 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

    10403 - Physical chemistry

Result continuities

  • Project

    <a href="/en/project/GA19-02584S" target="_blank" >GA19-02584S: Modification of Néel and Brownian relaxation properties of nanoparticles for magnetic imaging methods</a><br>

  • Continuities

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

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Physical Chemistry C

  • ISSN

    1932-7447

  • e-ISSN

  • Volume of the periodical

    125

  • Issue of the periodical within the volume

    37

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    13

  • Pages from-to

    20626-20638

  • UT code for WoS article

    000702017100046

  • EID of the result in the Scopus database

    2-s2.0-85115794719