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Numerical Simulation of Magnetic Microstructure in Nanocrystalline Thin Films with the Random Anisotropy

Authors: Boris A. Belyaev; Andrey V. Izotov; Platon N. Solovev;

Numerical Simulation of Magnetic Microstructure in Nanocrystalline Thin Films with the Random Anisotropy

Abstract

The magnetic structure of thin nanocrystalline films with a random distribution of magnetization easy axes was studied by means of micromagnetic modeling. The dependences of the correlation function parameters of the non-uniform magnetization on the value of the external in-plane magnetic field were investigated in the wide range (6–1000 nm) of particles sizes. An analysis of the obtained dependences revealed a significant difference between longitudinal (along the field) and transversal (perpendicular to the field) correlation radii of a stochastic magnetic structure. The blocking effect of a fine magnetic structure—a magnetization ripple—was observed during magnetization reversal of the films

Методом микромагнитного моделирования проведены исследования магнитной структуры тон- ких нанокристаллических пленок со случайным распределением осей легкого намагничивания. В широком диапазоне размеров частиц 6–1000 нм исследованы зависимости параметров корреля- ционной функции неоднородной намагниченности от величины внешнего планарного магнитного поля. Анализ полученных зависимостей показал существенное различие корреляционных радиу- сов стохастической магнитной структуры вдоль и поперек направления приложенного поля. При перемагничивании тонких пленок наблюдался эффект блокировки тонкой магнитной структуры «ряби намагниченности»

Related Organizations
Keywords

random anisotropy model, 29.19.22, thin magnetic film, модель случайной анизотропии, nanocrystallites, 530, тонкая магнитная пленка, micromagnetic simulation, нанокристаллиты, 620, микромагнитное моделирование

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
gold