Parametron on magnetic dot: Stable and stochastic operation

Takahiko Makiuchi; Tomosato Hioki; Yoshiki Shimazu; Yasuyuki Oikawa; Naoto Yokoi; Shunsuke Daimon; Eiji Saitoh

doi:10.1063/5.0038946

Parametron on magnetic dot: Stable and stochastic operation

Takahiko Makiuchi, Tomosato Hioki, Yoshiki Shimazu, Yasuyuki Oikawa, Naoto Yokoi, Shunsuke Daimon, Eiji Saitoh

Advanced Institute for Materials Research (AIMR)

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

5 Citations (Scopus)

Abstract

Magnetization dynamics induced by parametric excitation in a magnetic dot has been investigated by using ac spin pumping and inverse spin-Hall effects. An Ising-like pair of states with different precession phases was found to be stabilized in a controllable way under the excitation. The result shows that the dot can be used as a parametron-bit carrier. Upon increasing the excitation power, stochastic transition between the states was observed, and the occurrence probability of each state can be tuned by means of additional microwaves, opening an application to probabilistic bit operation.

Original language	English
Article number	022402
Journal	Applied Physics Letters
Volume	118
Issue number	2
DOIs	https://doi.org/10.1063/5.0038946
Publication status	Published - 2021 Jan 11

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/5.0038946

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title = "Parametron on magnetic dot: Stable and stochastic operation",

abstract = "Magnetization dynamics induced by parametric excitation in a magnetic dot has been investigated by using ac spin pumping and inverse spin-Hall effects. An Ising-like pair of states with different precession phases was found to be stabilized in a controllable way under the excitation. The result shows that the dot can be used as a parametron-bit carrier. Upon increasing the excitation power, stochastic transition between the states was observed, and the occurrence probability of each state can be tuned by means of additional microwaves, opening an application to probabilistic bit operation. ",

author = "Takahiko Makiuchi and Tomosato Hioki and Yoshiki Shimazu and Yasuyuki Oikawa and Naoto Yokoi and Shunsuke Daimon and Eiji Saitoh",

note = "Funding Information: We thank B. Hillebrands and T. Kikkawa for fruitful discussions. This work was financially supported by JST ERATO (No. JPMJER1402), JST CREST (Nos. JPMJCR20C1 and JPMJCR20T2), and JSPS KAKENHI (Nos. JP18J21004, JP19H05600, and JP20K15160). Publisher Copyright: {\textcopyright} 2021 Author(s).",

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TY - JOUR

T1 - Parametron on magnetic dot

T2 - Stable and stochastic operation

AU - Makiuchi, Takahiko

AU - Hioki, Tomosato

AU - Shimazu, Yoshiki

AU - Oikawa, Yasuyuki

AU - Yokoi, Naoto

AU - Daimon, Shunsuke

AU - Saitoh, Eiji

N1 - Funding Information: We thank B. Hillebrands and T. Kikkawa for fruitful discussions. This work was financially supported by JST ERATO (No. JPMJER1402), JST CREST (Nos. JPMJCR20C1 and JPMJCR20T2), and JSPS KAKENHI (Nos. JP18J21004, JP19H05600, and JP20K15160). Publisher Copyright: © 2021 Author(s).

PY - 2021/1/11

Y1 - 2021/1/11

N2 - Magnetization dynamics induced by parametric excitation in a magnetic dot has been investigated by using ac spin pumping and inverse spin-Hall effects. An Ising-like pair of states with different precession phases was found to be stabilized in a controllable way under the excitation. The result shows that the dot can be used as a parametron-bit carrier. Upon increasing the excitation power, stochastic transition between the states was observed, and the occurrence probability of each state can be tuned by means of additional microwaves, opening an application to probabilistic bit operation.

AB - Magnetization dynamics induced by parametric excitation in a magnetic dot has been investigated by using ac spin pumping and inverse spin-Hall effects. An Ising-like pair of states with different precession phases was found to be stabilized in a controllable way under the excitation. The result shows that the dot can be used as a parametron-bit carrier. Upon increasing the excitation power, stochastic transition between the states was observed, and the occurrence probability of each state can be tuned by means of additional microwaves, opening an application to probabilistic bit operation.

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Parametron on magnetic dot: Stable and stochastic operation

Abstract

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