Numerical analysis on two dimensional standing spin waves in microstructured exchange-coupled hard/soft bilayer strips

X. Ya; K. Imamura; T. Tanaka; Kimihide Matsuyama

doi:10.1109/INTMAG.2015.7157733

Numerical analysis on two dimensional standing spin waves in microstructured exchange-coupled hard/soft bilayer strips

X. Ya, K. Imamura, T. Tanaka, Kimihide Matsuyama

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

Abstract

Geometrically confined standing spin wave (SSW) has attracting intense research interests from view point of fundamental physics and practical application to power efficient SW based devices¹,². Exchange coupled metallic hard/soft (h/s) bilayers have been developed for advanced hard magnetic materials or high density magnetic recording media³,⁴. The material concept of synthesizing complemental magnetic properties through inter-layer exchange coupling is promising for integration of SW devices, considering the narrow SW length down to an order of sub-μm. However, the SW dynamics and available performance in two dimensionally structured ferromagnets have not been clarified yet. In the present study, dynamics of the SSW in microstructured h/s bilayers has been numerically analyzed by micromagnetic simulations.

Original language	English
Title of host publication	2015 IEEE International Magnetics Conference, INTERMAG 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479973224
DOIs	https://doi.org/10.1109/INTMAG.2015.7157733
Publication status	Published - Jul 14 2015
Event	2015 IEEE International Magnetics Conference, INTERMAG 2015 - Beijing, China Duration: May 11 2015 → May 15 2015

Other

Other	2015 IEEE International Magnetics Conference, INTERMAG 2015
Country/Territory	China
City	Beijing
Period	5/11/15 → 5/15/15

All Science Journal Classification (ASJC) codes

Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/INTMAG.2015.7157733

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Numerical analysis on two dimensional standing spin waves in microstructured exchange-coupled hard/soft bilayer strips. / Ya, X.; Imamura, K.; Tanaka, T. et al.

2015 IEEE International Magnetics Conference, INTERMAG 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7157733.

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

Ya, X, Imamura, K, Tanaka, T & Matsuyama, K 2015, Numerical analysis on two dimensional standing spin waves in microstructured exchange-coupled hard/soft bilayer strips. in 2015 IEEE International Magnetics Conference, INTERMAG 2015., 7157733, Institute of Electrical and Electronics Engineers Inc., 2015 IEEE International Magnetics Conference, INTERMAG 2015, Beijing, China, 5/11/15. https://doi.org/10.1109/INTMAG.2015.7157733

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abstract = "Geometrically confined standing spin wave (SSW) has attracting intense research interests from view point of fundamental physics and practical application to power efficient SW based devices1,2. Exchange coupled metallic hard/soft (h/s) bilayers have been developed for advanced hard magnetic materials or high density magnetic recording media3,4. The material concept of synthesizing complemental magnetic properties through inter-layer exchange coupling is promising for integration of SW devices, considering the narrow SW length down to an order of sub-μm. However, the SW dynamics and available performance in two dimensionally structured ferromagnets have not been clarified yet. In the present study, dynamics of the SSW in microstructured h/s bilayers has been numerically analyzed by micromagnetic simulations.",

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AB - Geometrically confined standing spin wave (SSW) has attracting intense research interests from view point of fundamental physics and practical application to power efficient SW based devices1,2. Exchange coupled metallic hard/soft (h/s) bilayers have been developed for advanced hard magnetic materials or high density magnetic recording media3,4. The material concept of synthesizing complemental magnetic properties through inter-layer exchange coupling is promising for integration of SW devices, considering the narrow SW length down to an order of sub-μm. However, the SW dynamics and available performance in two dimensionally structured ferromagnets have not been clarified yet. In the present study, dynamics of the SSW in microstructured h/s bilayers has been numerically analyzed by micromagnetic simulations.

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Numerical analysis on two dimensional standing spin waves in microstructured exchange-coupled hard/soft bilayer strips

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