Transport properties of the thermoelectric layered cobalt oxide Pb-Sr-Co-O single crystals

Wataru Kobayashi, I. Terasaki

    Research output: Contribution to journalArticle

    12 Citations (Scopus)

    Abstract

    The authors have synthesized single-crystal samples of the layered cobalt oxide Pb-Sr-Co-O and measured resistivity, thermopower, and Hall coefficient from 4.2 to 300 K. The resistivity, the thermopower, and the Hall coefficient are 13 mΩ cm, 150 μV/K, and 1.6 × 10-2 cm 3/C at 300 K, respectively, which are typical values for a misfit-layered cobalt oxide. The thermopower and resistivity are associated with spin density wave, and a close relationship between the pseudogap temperature and the thermopower is suggested for all the misfit-layered cobalt oxides.

    Original languageEnglish
    Article number072109
    JournalApplied Physics Letters
    Volume89
    Issue number7
    DOIs
    Publication statusPublished - 2006

    Fingerprint

    cobalt oxides
    transport properties
    electrical resistivity
    Hall effect
    single crystals
    coefficients
    temperature

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

    Cite this

    Transport properties of the thermoelectric layered cobalt oxide Pb-Sr-Co-O single crystals. / Kobayashi, Wataru; Terasaki, I.

    In: Applied Physics Letters, Vol. 89, No. 7, 072109, 2006.

    Research output: Contribution to journalArticle

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    AB - The authors have synthesized single-crystal samples of the layered cobalt oxide Pb-Sr-Co-O and measured resistivity, thermopower, and Hall coefficient from 4.2 to 300 K. The resistivity, the thermopower, and the Hall coefficient are 13 mΩ cm, 150 μV/K, and 1.6 × 10-2 cm 3/C at 300 K, respectively, which are typical values for a misfit-layered cobalt oxide. The thermopower and resistivity are associated with spin density wave, and a close relationship between the pseudogap temperature and the thermopower is suggested for all the misfit-layered cobalt oxides.

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