Two-dimensional magnetic interactions and magnetism of high-density charges in a polymer transistor

Masaki Tsuji, Yuki Takahashi, Yuki Sakurai, Yohei Yomogida, Taishi Takenobu, Yoshihiro Iwasa, Kazuhiro Marumoto

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    Magnetic interactions and magnetism of high-density charges in a polymer transistor were investigated by electron spin resonance (ESR). The anisotropy of the ESR spectra indicated an edge-on molecular orientation and the existence of two-dimensional magnetic interactions between the spins of the charges, reflecting high charge density. The voltage dependences revealed that the magnetism of charge carriers changed from paramagnetic to nonmagnetic as charge density increased. These results provide insight to the charge transport mechanism of polymer semiconductors with high charge densities.

    Original languageEnglish
    Article number133301
    JournalApplied Physics Letters
    Volume102
    Issue number13
    DOIs
    Publication statusPublished - 2013 Apr 1

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    transistors
    polymers
    electron paramagnetic resonance
    interactions
    charge carriers
    anisotropy
    electric potential

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

    Cite this

    Tsuji, M., Takahashi, Y., Sakurai, Y., Yomogida, Y., Takenobu, T., Iwasa, Y., & Marumoto, K. (2013). Two-dimensional magnetic interactions and magnetism of high-density charges in a polymer transistor. Applied Physics Letters, 102(13), [133301]. https://doi.org/10.1063/1.4800550

    Two-dimensional magnetic interactions and magnetism of high-density charges in a polymer transistor. / Tsuji, Masaki; Takahashi, Yuki; Sakurai, Yuki; Yomogida, Yohei; Takenobu, Taishi; Iwasa, Yoshihiro; Marumoto, Kazuhiro.

    In: Applied Physics Letters, Vol. 102, No. 13, 133301, 01.04.2013.

    Research output: Contribution to journalArticle

    Tsuji, M, Takahashi, Y, Sakurai, Y, Yomogida, Y, Takenobu, T, Iwasa, Y & Marumoto, K 2013, 'Two-dimensional magnetic interactions and magnetism of high-density charges in a polymer transistor', Applied Physics Letters, vol. 102, no. 13, 133301. https://doi.org/10.1063/1.4800550
    Tsuji M, Takahashi Y, Sakurai Y, Yomogida Y, Takenobu T, Iwasa Y et al. Two-dimensional magnetic interactions and magnetism of high-density charges in a polymer transistor. Applied Physics Letters. 2013 Apr 1;102(13). 133301. https://doi.org/10.1063/1.4800550
    Tsuji, Masaki ; Takahashi, Yuki ; Sakurai, Yuki ; Yomogida, Yohei ; Takenobu, Taishi ; Iwasa, Yoshihiro ; Marumoto, Kazuhiro. / Two-dimensional magnetic interactions and magnetism of high-density charges in a polymer transistor. In: Applied Physics Letters. 2013 ; Vol. 102, No. 13.
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