Notice of Removal: Micromagnetic Study for Magnetic Properties of Exchange-Coupled Nanocomposite Magnetic Systems With $\alpha$ -Fe Grains Embedded in Nd2Fe14B Matrix

Ryo, Hyok-Su; Hu, Lianxi; Kim, Jin-Guk; Yang, Yanchun

doi:10.1109/tmag.2016.2620108

Cited by 4 publications

(1 citation statement)

References 25 publications

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“…As a result, the exchange-coupled hard/soft magnets show spring behavior. [2][3][4][5] Since Skomski [6] predicted in 1993, via a 1D micromagnetic model, that the energy product can be as large as 1 MJ/m 3 in exchange-spring materials with in-plane axes, many experiments have been carried out to reach such a large energy product, [7][8][9][10][11] which has never been achieved. One of the reasons is that the calculation model [6] did not consider the influence of the interface anisotropy, demagnetization, and stray fields on the energy product.…”

Section: Introductionmentioning

confidence: 99%

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd₂Fe₁₄B/α-Fe multilayers with out-of-plane easy axes*

Zhao

Morvan

et al. 2020

Chinese Phys. B

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Hysteresis loops, energy products and magnetic moment distributions of perpendicularly oriented Nd2Fe14B/α-Fe exchange-spring multilayers are studied systematically based on both three-dimensional (3D) and one-dimensional (1D) micromagnetic methods, focused on the influence of the interface anisotropy. The calculated results are carefully compared with each other. The interface anisotropy effect is very palpable on the nucleation, pinning and coercive fields when the soft layer is very thin. However, as the soft layer thickness increases, the pinning and coercive fields are almost unchanged with the increment of interface anisotropy though the nucleation field still monotonically rises. Negative interface anisotropy decreases the maximum energy products and increases slightly the angles between the magnetization and applied field. The magnetic moment distributions in the thickness direction at various applied fields demonstrate a progress of three-step magnetic reversal, i.e., nucleation, evolution and irreversible motion of the domain wall. The above results calculated by two models are in good agreement with each other. Moreover, the in-plane magnetic moment orientations based on two models are different. The 3D calculation shows a progress of generation and disappearance of vortex state, however, the magnetization orientations within the film plane calculated by the 1D model are coherent. Simulation results suggest that negative interface anisotropy is necessarily avoided experimentally.

show abstract

Section: Introductionmentioning

confidence: 99%

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd₂Fe₁₄B/α-Fe multilayers with out-of-plane easy axes*

Zhao

Morvan

et al. 2020

Chinese Phys. B

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show abstract

Multiphase microstructure and magnetic properties of high performance Nd-Fe-B ribbons with multielement addition

Qin

Liu

Han

et al. 2019

Journal of Magnetism and Magnetic Materials

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Geometric effects in cylindrical core/shell hard–soft exchange-coupled magnetic nanostructures

Kim

Han

Lee

et al. 2021

Journal of Magnetism and Magnetic Materials

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Notice of Removal: Micromagnetic Study for Magnetic Properties of Exchange-Coupled Nanocomposite Magnetic Systems With $\alpha$ -Fe Grains Embedded in Nd2Fe14B Matrix

Cited by 4 publications

References 25 publications

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd₂Fe₁₄B/α-Fe multilayers with out-of-plane easy axes*

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd₂Fe₁₄B/α-Fe multilayers with out-of-plane easy axes*

Multiphase microstructure and magnetic properties of high performance Nd-Fe-B ribbons with multielement addition

Geometric effects in cylindrical core/shell hard–soft exchange-coupled magnetic nanostructures

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Notice of Removal: Micromagnetic Study for Magnetic Properties of Exchange-Coupled Nanocomposite Magnetic Systems With $\alpha$ -Fe Grains Embedded in Nd2Fe14B Matrix

Cited by 4 publications

References 25 publications

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd2Fe14B/α-Fe multilayers with out-of-plane easy axes*

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd2Fe14B/α-Fe multilayers with out-of-plane easy axes*

Multiphase microstructure and magnetic properties of high performance Nd-Fe-B ribbons with multielement addition

Geometric effects in cylindrical core/shell hard–soft exchange-coupled magnetic nanostructures

Contact Info

Product

Resources

About

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd₂Fe₁₄B/α-Fe multilayers with out-of-plane easy axes*

Three- and two-dimensional calculations for the interface anisotropy dependence of magnetic properties of exchange-spring Nd₂Fe₁₄B/α-Fe multilayers with out-of-plane easy axes*