Magnetization features of small multi-core particles: theory and computer simulations

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Дәйексөз келтіру

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Аннотация

We investigated the orientation texturing of magnetic moments of four magnetic nanoparticles fixed at the vertices of a regular tetrahedron and formed a separate polyhedral particle. Numerical calculations of the probability density of the magnetic moment orientation, the static magnetization and the initial magnetic susceptibility of a multi-core particle are obtained by the Monte-Carlo method.

Толық мәтін

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Авторлар туралы

E. Grokhotova

Ural Federal University

Хат алмасуға жауапты Автор.
Email: lena.groxotova@mail.ru
Ресей, Ekaterinburg

A. Solovyova

Ural Federal University

Email: lena.groxotova@mail.ru
Ресей, Ekaterinburg

E. Elfimova

Ural Federal University

Email: lena.groxotova@mail.ru
Ресей, Ekaterinburg

Әдебиет тізімі

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Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. Structure of the model MGP. Granules with diameter d are located at the vertices of a tetrahedron with edge A.

Жүктеу (60KB)
Метадеректер
3. Fig. 2. Dependence of the single-particle probability density W on the angle ωk for a model MGP with edge A = 1 and λe = 1: (a), α = 0; (b), α = 1; (c), α = 0; (d), α = 1; (d), α = 0; (e), α = 1. The symbols denote the results of Monte Carlo simulation. The symbol number corresponds to the granule number in the model MGP.

Жүктеу (103KB)
Метадеректер
4. Fig. 3. Dependence of the single-particle probability density W on the angle ωk for a model MGP with edge A = 1 and λe = 3: (a), α = 0; (b), α = 1; (c), α = 0; (d), α = 1; (d), α = 0; (e), α = 1. The symbols denote the results of Monte Carlo simulation. The symbol number corresponds to the granule number in the model MGP.

Жүктеу (130KB)
Метадеректер
5. Fig. 4. Dependence of magnetization M on the Langevin parameter α for a model MGP with edge A = 1: (a) , ; (b) , ; (c) , . The symbols denote the results of Monte Carlo simulations for different values ​​of the parameter λe, as indicated in the legend. The dotted line corresponds to the Langevin magnetization L(α).

Жүктеу (49KB)
Метадеректер

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