Micromagnetic Simulation of Magnetic Structure in an Exchange-Coupled Trilayer

Abstract:

The reversal process of an exchange spring trilayer was studied by micromagnetic simulation, simulating the hysteresis loop and magnetic domain wall structure of a soft/hard/soft ferromagnetic exchange spring. The exchange spring effect was observed, determining the chirality of its spiral magnetization configuration. By simulation of the domain wall structure, we find that reversal nucleation emerge simultaneously in either surface of two soft layers and the magnetic moments of hard layer start rotation at reversible stage.

• Periodical: Applied Mechanics and Materials (Volume 521)
• Pages: 543-546
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.521.543
• Online since: February 2014
• Authors: Zi Jun Wang, Tian Fu Li, Hong Wen Xiao, Yun Tao Liu, Xing Qiao Ma*
• Keywords: Exchange Spring, Hysteresis Loop, Magnetic Domain, Micromagnetic Simulation

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