Observation of spin wave modes depending on a tunable periodic magnetic field

Lihui Bai; Makoto Kohda; Junsaku Nitta

doi:10.1063/1.3584032

Observation of spin wave modes depending on a tunable periodic magnetic field

Lihui Bai, Makoto Kohda, Junsaku Nitta

ENG - Materials Science

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Excited spin waves in Ni_0.8Fe_0.2 strips are studied by detecting electrical signals with the use of a spin rectification effect. Through a meander control line, a periodic magnetic field is applied on the strips. Spin wave modes strongly depends on the periodic magnetic field. In a short period sample, we find spin wave coupling effect controlled by the periodic magnetic field, which can be used as a tunable spin wave filter.

Original language	English
Article number	172508
Journal	Applied Physics Letters
Volume	98
Issue number	17
DOIs	https://doi.org/10.1063/1.3584032
Publication status	Published - 2011 Apr 25

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3584032

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abstract = "Excited spin waves in Ni0.8Fe0.2 strips are studied by detecting electrical signals with the use of a spin rectification effect. Through a meander control line, a periodic magnetic field is applied on the strips. Spin wave modes strongly depends on the periodic magnetic field. In a short period sample, we find spin wave coupling effect controlled by the periodic magnetic field, which can be used as a tunable spin wave filter.",

author = "Lihui Bai and Makoto Kohda and Junsaku Nitta",

note = "Funding Information: Lihui Bai is grateful to Professor A. Fujita, Professor B. Hillebrands, and Professor C.-M. Hu for fruitful discussions. This work was supported by the Tohoku University GCOE program of MEXT, by a Grant-in-Aid for Scientific research from JSPS 22226001, by MEXT 19048005 and by the Strategic Japanese-German Joint Research Program, JST-Japan.",

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T1 - Observation of spin wave modes depending on a tunable periodic magnetic field

AU - Bai, Lihui

AU - Kohda, Makoto

AU - Nitta, Junsaku

N1 - Funding Information: Lihui Bai is grateful to Professor A. Fujita, Professor B. Hillebrands, and Professor C.-M. Hu for fruitful discussions. This work was supported by the Tohoku University GCOE program of MEXT, by a Grant-in-Aid for Scientific research from JSPS 22226001, by MEXT 19048005 and by the Strategic Japanese-German Joint Research Program, JST-Japan.

PY - 2011/4/25

Y1 - 2011/4/25

N2 - Excited spin waves in Ni0.8Fe0.2 strips are studied by detecting electrical signals with the use of a spin rectification effect. Through a meander control line, a periodic magnetic field is applied on the strips. Spin wave modes strongly depends on the periodic magnetic field. In a short period sample, we find spin wave coupling effect controlled by the periodic magnetic field, which can be used as a tunable spin wave filter.

AB - Excited spin waves in Ni0.8Fe0.2 strips are studied by detecting electrical signals with the use of a spin rectification effect. Through a meander control line, a periodic magnetic field is applied on the strips. Spin wave modes strongly depends on the periodic magnetic field. In a short period sample, we find spin wave coupling effect controlled by the periodic magnetic field, which can be used as a tunable spin wave filter.

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Observation of spin wave modes depending on a tunable periodic magnetic field

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