Attenuation of propagating spin wave induced by layered nanostructures

K. Sekiguchi; T. N. Vader; K. Yamada; S. Fukami; N. Ishiwata; S. M. Seo; S. W. Lee; K. J. Lee; T. Ono

doi:10.1063/1.3699020

Attenuation of propagating spin wave induced by layered nanostructures

K. Sekiguchi, T. N. Vader, K. Yamada, S. Fukami, N. Ishiwata, S. M. Seo, S. W. Lee, K. J. Lee, T. Ono

Department of Materials Science and Engineering

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

4 Citations (Scopus)

Abstract

Spin wave attenuation in the layered [FeNi / Pt] 6 / FeNi thin films was investigated by the time-domain electrical measurement. The spin-wave waveform was detected with an asymmetric coplanar strip transmission line, as an induced voltage flowing into a fast oscilloscope. We report that the amplitude of a spin-wave packet was systematically changed by controlling the thickness of a platinum layer, up to a maximum change of 50. The virtues of spin wave, ultrafast propagation velocity and non-reciprocal emission, are preserved in this manner. This means that the Pt layer can manipulate an arbitral power-level of spin-wave input signal (reliable attenuator).

Original language	English
Article number	132411
Journal	Applied Physics Letters
Volume	100
Issue number	13
DOIs	https://doi.org/10.1063/1.3699020
Publication status	Published - 2012 Mar 26

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3699020

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title = "Attenuation of propagating spin wave induced by layered nanostructures",

abstract = "Spin wave attenuation in the layered [FeNi / Pt] 6 / FeNi thin films was investigated by the time-domain electrical measurement. The spin-wave waveform was detected with an asymmetric coplanar strip transmission line, as an induced voltage flowing into a fast oscilloscope. We report that the amplitude of a spin-wave packet was systematically changed by controlling the thickness of a platinum layer, up to a maximum change of 50. The virtues of spin wave, ultrafast propagation velocity and non-reciprocal emission, are preserved in this manner. This means that the Pt layer can manipulate an arbitral power-level of spin-wave input signal (reliable attenuator).",

author = "K. Sekiguchi and Vader, {T. N.} and K. Yamada and S. Fukami and N. Ishiwata and Seo, {S. M.} and Lee, {S. W.} and Lee, {K. J.} and T. Ono",

note = "Funding Information: K.S. acknowledges financial support from JST, PRESTO. T.O. acknowledges financial support from MEXT. K.J.L. acknowledges financial support from the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (Contract No. 2010-0023798).",

year = "2012",

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day = "26",

doi = "10.1063/1.3699020",

language = "English",

volume = "100",

journal = "Applied Physics Letters",

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T1 - Attenuation of propagating spin wave induced by layered nanostructures

AU - Sekiguchi, K.

AU - Vader, T. N.

AU - Yamada, K.

AU - Fukami, S.

AU - Ishiwata, N.

AU - Seo, S. M.

AU - Lee, S. W.

AU - Lee, K. J.

AU - Ono, T.

N1 - Funding Information: K.S. acknowledges financial support from JST, PRESTO. T.O. acknowledges financial support from MEXT. K.J.L. acknowledges financial support from the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (Contract No. 2010-0023798).

PY - 2012/3/26

Y1 - 2012/3/26

N2 - Spin wave attenuation in the layered [FeNi / Pt] 6 / FeNi thin films was investigated by the time-domain electrical measurement. The spin-wave waveform was detected with an asymmetric coplanar strip transmission line, as an induced voltage flowing into a fast oscilloscope. We report that the amplitude of a spin-wave packet was systematically changed by controlling the thickness of a platinum layer, up to a maximum change of 50. The virtues of spin wave, ultrafast propagation velocity and non-reciprocal emission, are preserved in this manner. This means that the Pt layer can manipulate an arbitral power-level of spin-wave input signal (reliable attenuator).

AB - Spin wave attenuation in the layered [FeNi / Pt] 6 / FeNi thin films was investigated by the time-domain electrical measurement. The spin-wave waveform was detected with an asymmetric coplanar strip transmission line, as an induced voltage flowing into a fast oscilloscope. We report that the amplitude of a spin-wave packet was systematically changed by controlling the thickness of a platinum layer, up to a maximum change of 50. The virtues of spin wave, ultrafast propagation velocity and non-reciprocal emission, are preserved in this manner. This means that the Pt layer can manipulate an arbitral power-level of spin-wave input signal (reliable attenuator).

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U2 - 10.1063/1.3699020

DO - 10.1063/1.3699020

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VL - 100

JO - Applied Physics Letters

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Attenuation of propagating spin wave induced by layered nanostructures

Abstract

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