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Magnetic and magnetotransport properties of misfit cobaltate Ca3Co3.93O91d

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F12%3A43893210" target="_blank" >RIV/60461373:22310/12:43893210 - isvavai.cz</a>

  • Alternative codes found

    RIV/60461373:22340/12:43893210

  • Result on the web

    <a href="http://dx.doi.org/10.1063/1.3677312" target="_blank" >http://dx.doi.org/10.1063/1.3677312</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1063/1.3677312" target="_blank" >10.1063/1.3677312</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Magnetic and magnetotransport properties of misfit cobaltate Ca3Co3.93O91d

  • Original language description

    Samples of Ca3Co3.93O9?d, prepared by classical ceramic route (CCR) and spark plasma sintering (SPS), were characterized by means of magnetic, electrical, and thermal experiments in a broad temperature range. The low temperature specific heat measured down to 0.3 K, reveals two important electronic contributions: the first one, dominated by magnetic excitations, that can be suppressed by an external magnetic field, and the second, due to band-like carriers, characterized by c50 mJ mol1 K1 for both samples. The ferrimagnetism, associated with the long-range magnetic order of IS Co3? species in rock-salt blocks detected below TF 15 K in the CCR samples, is absent in the SPS samples. Similarly, the specific heat peaks detected for the CCR sample at 410 and 840 K are not reproduced in the case of the SPS sample. In both samples the low temperature thermoelectric power is quantitatively explained by supposing the strongly correlated carriers are carrying the spin entropy. The lower hole con

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CA - Inorganic chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA203%2F09%2F1036" target="_blank" >GA203/09/1036: Thermoelectric cobaltites</a><br>

  • Continuities

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

Others

  • Publication year

    2012

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal Applied Phys.

  • ISSN

    0021-8979

  • e-ISSN

  • Volume of the periodical

    111

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    3

  • Pages from-to

    "07D715"

  • UT code for WoS article

    000303282401178

  • EID of the result in the Scopus database