Journal article: Temperature dependence of the current-induced domain wall motion from a modified Landau-Lifshitz-Bloch equation
Temperature dependence of the current-induced domain wall motion from a modified Landau-Lifshitz-Bloch equation
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2009
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We employ the Landau-Lifshitz-Bloch (LLB) equation to investigate current-induced domain wall motion at finite temperatures by numerical micromagnetic simulations. We extend the LLB equation with spin torque terms that account for the effect of spin-polarized currents and we find that the velocities depend strongly on the interplay between adiabatic and nonadiabatic spin torque terms. As a function of temperature, we find nonmonotonous behavior, which might be useful to determine the relative strengths of the spin torque terms experimentally.
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530 Physics
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Physical Review / B ; 80 (2009), 21. - 214403
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SCHIEBACK, Christine, Denise HINZKE, Mathias KLĂ„UI, Ulrich NOWAK, Peter NIELABA, 2009. Temperature dependence of the current-induced domain wall motion from a modified Landau-Lifshitz-Bloch equation. In: Physical Review / B. 80(21), 214403. Available under: doi: 10.1103/PhysRevB.80.214403BibTex
@article{Schieback2009Tempe-5185,
year={2009},
doi={10.1103/PhysRevB.80.214403},
title={Temperature dependence of the current-induced domain wall motion from a modified Landau-Lifshitz-Bloch equation},
number={21},
volume={80},
journal={Physical Review / B},
author={Schieback, Christine and Hinzke, Denise and Kläui, Mathias and Nowak, Ulrich and Nielaba, Peter},
note={Article Number: 214403}
}
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<dcterms:abstract xml:lang="eng">We employ the Landau-Lifshitz-Bloch (LLB) equation to investigate current-induced domain wall motion at finite temperatures by numerical micromagnetic simulations. We extend the LLB equation with spin torque terms that account for the effect of spin-polarized currents and we find that the velocities depend strongly on the interplay between adiabatic and nonadiabatic spin torque terms. As a function of temperature, we find nonmonotonous behavior, which might be useful to determine the relative strengths of the spin torque terms experimentally.</dcterms:abstract>
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