Dependence of magnetization switching property with microwave assistance on anisotropy field for ECC nano-pillar

Naoyuki Narita; Terumitsu Tanaka; Ayumu Kato; Kimihide Matsuyama; Yukio Nozaki

doi:10.1109/TENCON.2010.5686413

Dependence of magnetization switching property with microwave assistance on anisotropy field for ECC nano-pillar

Naoyuki Narita, Terumitsu Tanaka, Ayumu Kato, Kimihide Matsuyama, Yukio Nozaki

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Magnetic resonance properties for ECC nano-pillar were numerically analyzed. The analysis showed there are three resonance modes in the ECC nano-pillar that ferromagnetic resonances (FMR) at the low and high frequency regions associating with the soft and hard material, and magnetic spin wave resonance at middle frequency region. Microwave assisted magnetization reversals were also simulated assuming ECC nano-pillar with extremely high anisotropy field hard magnetic material. Essential ac field strength and microwave frequency for magnetization reversal were found to be less dependent on anisotropy field for the hard magnetic material, when magnetization reversal is induced by magnetic resonance for the soft magnetic material.

Original language	English
Title of host publication	TENCON 2010 - 2010 IEEE Region 10 Conference
Pages	1898-1901
Number of pages	4
DOIs	https://doi.org/10.1109/TENCON.2010.5686413
Publication status	Published - 2010 Dec 1
Event	2010 IEEE Region 10 Conference, TENCON 2010 - Fukuoka, Japan Duration: 2010 Nov 21 → 2010 Nov 24

Publication series

Name	IEEE Region 10 Annual International Conference, Proceedings/TENCON

Other

Other	2010 IEEE Region 10 Conference, TENCON 2010
Country/Territory	Japan
City	Fukuoka
Period	10/11/21 → 10/11/24

Keywords

Exchange-coupled-composite media
Ferromagnetic resonance
Microwave-assisted magnetization reversal
Spin wave resonance

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering

Access to Document

10.1109/TENCON.2010.5686413

Cite this

Narita, N., Tanaka, T., Kato, A., Matsuyama, K., & Nozaki, Y. (2010). Dependence of magnetization switching property with microwave assistance on anisotropy field for ECC nano-pillar. In TENCON 2010 - 2010 IEEE Region 10 Conference (pp. 1898-1901). [5686413] (IEEE Region 10 Annual International Conference, Proceedings/TENCON). https://doi.org/10.1109/TENCON.2010.5686413

Dependence of magnetization switching property with microwave assistance on anisotropy field for ECC nano-pillar. / Narita, Naoyuki; Tanaka, Terumitsu; Kato, Ayumu et al.
TENCON 2010 - 2010 IEEE Region 10 Conference. 2010. p. 1898-1901 5686413 (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Narita, N, Tanaka, T, Kato, A, Matsuyama, K & Nozaki, Y 2010, Dependence of magnetization switching property with microwave assistance on anisotropy field for ECC nano-pillar. in TENCON 2010 - 2010 IEEE Region 10 Conference., 5686413, IEEE Region 10 Annual International Conference, Proceedings/TENCON, pp. 1898-1901, 2010 IEEE Region 10 Conference, TENCON 2010, Fukuoka, Japan, 10/11/21. https://doi.org/10.1109/TENCON.2010.5686413

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abstract = "Magnetic resonance properties for ECC nano-pillar were numerically analyzed. The analysis showed there are three resonance modes in the ECC nano-pillar that ferromagnetic resonances (FMR) at the low and high frequency regions associating with the soft and hard material, and magnetic spin wave resonance at middle frequency region. Microwave assisted magnetization reversals were also simulated assuming ECC nano-pillar with extremely high anisotropy field hard magnetic material. Essential ac field strength and microwave frequency for magnetization reversal were found to be less dependent on anisotropy field for the hard magnetic material, when magnetization reversal is induced by magnetic resonance for the soft magnetic material.",

keywords = "Exchange-coupled-composite media, Ferromagnetic resonance, Microwave-assisted magnetization reversal, Spin wave resonance",

author = "Naoyuki Narita and Terumitsu Tanaka and Ayumu Kato and Kimihide Matsuyama and Yukio Nozaki",

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doi = "10.1109/TENCON.2010.5686413",

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AU - Narita, Naoyuki

AU - Tanaka, Terumitsu

AU - Kato, Ayumu

AU - Matsuyama, Kimihide

AU - Nozaki, Yukio

PY - 2010/12/1

Y1 - 2010/12/1

N2 - Magnetic resonance properties for ECC nano-pillar were numerically analyzed. The analysis showed there are three resonance modes in the ECC nano-pillar that ferromagnetic resonances (FMR) at the low and high frequency regions associating with the soft and hard material, and magnetic spin wave resonance at middle frequency region. Microwave assisted magnetization reversals were also simulated assuming ECC nano-pillar with extremely high anisotropy field hard magnetic material. Essential ac field strength and microwave frequency for magnetization reversal were found to be less dependent on anisotropy field for the hard magnetic material, when magnetization reversal is induced by magnetic resonance for the soft magnetic material.

AB - Magnetic resonance properties for ECC nano-pillar were numerically analyzed. The analysis showed there are three resonance modes in the ECC nano-pillar that ferromagnetic resonances (FMR) at the low and high frequency regions associating with the soft and hard material, and magnetic spin wave resonance at middle frequency region. Microwave assisted magnetization reversals were also simulated assuming ECC nano-pillar with extremely high anisotropy field hard magnetic material. Essential ac field strength and microwave frequency for magnetization reversal were found to be less dependent on anisotropy field for the hard magnetic material, when magnetization reversal is induced by magnetic resonance for the soft magnetic material.

KW - Exchange-coupled-composite media

KW - Ferromagnetic resonance

KW - Microwave-assisted magnetization reversal

KW - Spin wave resonance

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Dependence of magnetization switching property with microwave assistance on anisotropy field for ECC nano-pillar

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