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

doi:10.1063/1.4800550

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: Article › 査読

17 被引用数 (Scopus)

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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
巻	102
号	13
DOI	https://doi.org/10.1063/1.4800550
出版ステータス	Published - 2013 4月 1

ASJC Scopus subject areas

物理学および天文学（その他）

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10.1063/1.4800550

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AU - Tsuji, Masaki

AU - Takahashi, Yuki

AU - Sakurai, Yuki

AU - Yomogida, Yohei

AU - Takenobu, Taishi

AU - Iwasa, Yoshihiro

AU - Marumoto, Kazuhiro

PY - 2013/4/1

Y1 - 2013/4/1

N2 - 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.

AB - 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.

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JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

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

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