Experimental Study and Numerical Modelling of Magnetic Domain Walls Drift in Ferrite Garnet Crystals

Lidia A. Pamyatnykh; Georgy A. Shmatov; Mikhail S. Lysov; Sergey E. Pamyatnykh; Dmitry S. Mehonoshin

doi:10.4028/www.scientific.net/SSP.215.437

Paper Titles

The Domain Structure and Magnetic Hysteretic Properties of Mn_55.5Al₄₄C_0.5 Alloy in Different Structural States
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3-D Simulations of Micromagnetic Transition Structures in Vortex Asymmetric Domain Walls
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Investigation of Evolution of Domain Structure in Iron Garnet Tb_0.26Y_2.74Fe₅O₁₂
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Manipulation of Magnetic Properties and Domain Wall Dynamics in Amorphous Ferromagnetic Microwires by Annealing under Applied Stress
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Experimental Study and Numerical Modelling of Magnetic Domain Walls Drift in Ferrite Garnet Crystals
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The Improved Magneto-Optical Kerr Effect Method of Magnetic Anisotropy Measurements in Thin Films and Nanostructures
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Lorentz's Electron Microscopy of Thin Films with Frustrated Magnetic Structure
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The Expeimental Setup for Measuring of Thermal Parameters of Magnetic Fluids in AC Magnetic Field
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Spot Electron-Beam Lithography as a Novel Method of High Resolution Pattern Nanofabrication
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Experimental Study and Numerical Modelling of Magnetic Domain Walls Drift in Ferrite Garnet Crystals

Abstract:

The results of study of domain walls oscillations in harmonic magnetic field H = H₀sin (2πft) oriented perpendicular to ferrite garnet (TbErGd)₃(FeAl)₅O₁₂ (111) sample plate for amplitudes that include the drift of domain walls are reported. Numerical modelling of domain walls motion was performed for frequencies f~10² Hz, where the drift is observed experimentally. Comparison of results of numerical modelling with experimental results shows their qualitative agreement. It was established that domain walls oscillations amplitude is a linear function of amplitude of oscillating magnetic field.