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

*この研究の対応する著者

    研究成果査読

    17 被引用数 (Scopus)

    抄録

    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.

    本文言語English
    論文番号133301
    ジャーナルApplied Physics Letters
    102
    13
    DOI
    出版ステータスPublished - 2013 4 1

    ASJC Scopus subject areas

    • 物理学および天文学(その他)

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