Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation

Kei Shigematsu, Takeshi Asakura, Hajime Yamamoto, Keisuke Shimizu, Marin Katsumata, Haruki Shimizu, Yuki Sakai, Hajime Hojo, Ko Mibu, Masaki Azuma

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

The evolution of crystal structure, spin structure, and macroscopic magnetization of manganese-substituted BiFeO3 (BiFe1-xMnxO3), a candidate for multiferroic materials, were investigated on bulk and epitaxial thin-film. Mn substitution for Fe induced collinear antiferromagnetic spin structure around room temperature by destabilizing the cycloidal spin modulation which prohibited the appearance of net magnetization generated by Dzyaloshinskii-Moriya interaction. For the bulk samples, however, no significant signal of ferromagnetism was observed because the direction of the ordered spins was close to parallel to the electric polarization so that spin-canting did not occur. On the contrary, BiFe1-xMnxO3 thin film on SrTiO3 (001) had a collinear spin structure with the spin direction perpendicular to the electric polarization at room temperature, where the appearance of spontaneous magnetization was expected. Indeed, ferromagnetic hysteresis behavior was observed for BiFe0.9Mn0.1O3 thin film.

元の言語英語
記事番号192905
ジャーナルApplied Physics Letters
112
発行部数19
DOI
出版物ステータス出版済み - 5 7 2018

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ferromagnetism
manipulators
room temperature
thin films
magnetization
polarization
manganese
hysteresis
substitutes
modulation
crystal structure
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

これを引用

Shigematsu, K., Asakura, T., Yamamoto, H., Shimizu, K., Katsumata, M., Shimizu, H., ... Azuma, M. (2018). Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation. Applied Physics Letters, 112(19), [192905]. https://doi.org/10.1063/1.5024710

Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation. / Shigematsu, Kei; Asakura, Takeshi; Yamamoto, Hajime; Shimizu, Keisuke; Katsumata, Marin; Shimizu, Haruki; Sakai, Yuki; Hojo, Hajime; Mibu, Ko; Azuma, Masaki.

:: Applied Physics Letters, 巻 112, 番号 19, 192905, 07.05.2018.

研究成果: ジャーナルへの寄稿記事

Shigematsu, K, Asakura, T, Yamamoto, H, Shimizu, K, Katsumata, M, Shimizu, H, Sakai, Y, Hojo, H, Mibu, K & Azuma, M 2018, 'Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation', Applied Physics Letters, 巻. 112, 番号 19, 192905. https://doi.org/10.1063/1.5024710
Shigematsu K, Asakura T, Yamamoto H, Shimizu K, Katsumata M, Shimizu H その他. Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation. Applied Physics Letters. 2018 5 7;112(19). 192905. https://doi.org/10.1063/1.5024710
Shigematsu, Kei ; Asakura, Takeshi ; Yamamoto, Hajime ; Shimizu, Keisuke ; Katsumata, Marin ; Shimizu, Haruki ; Sakai, Yuki ; Hojo, Hajime ; Mibu, Ko ; Azuma, Masaki. / Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation. :: Applied Physics Letters. 2018 ; 巻 112, 番号 19.
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abstract = "The evolution of crystal structure, spin structure, and macroscopic magnetization of manganese-substituted BiFeO3 (BiFe1-xMnxO3), a candidate for multiferroic materials, were investigated on bulk and epitaxial thin-film. Mn substitution for Fe induced collinear antiferromagnetic spin structure around room temperature by destabilizing the cycloidal spin modulation which prohibited the appearance of net magnetization generated by Dzyaloshinskii-Moriya interaction. For the bulk samples, however, no significant signal of ferromagnetism was observed because the direction of the ordered spins was close to parallel to the electric polarization so that spin-canting did not occur. On the contrary, BiFe1-xMnxO3 thin film on SrTiO3 (001) had a collinear spin structure with the spin direction perpendicular to the electric polarization at room temperature, where the appearance of spontaneous magnetization was expected. Indeed, ferromagnetic hysteresis behavior was observed for BiFe0.9Mn0.1O3 thin film.",
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AU - Katsumata, Marin

AU - Shimizu, Haruki

AU - Sakai, Yuki

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