Mesophase micelle-assisted electrodeposition and magnetisation behavior of meso-porous nickel films for efficient electrochemical energy and magnetic device applications

Nasirpouri, Farzad; Barzegar, Saeedeh; Samardak, Aleksei Yu.; Ognev, A. V.; Zubkov, A. A.; Stancu, Alexandru; Samardak, Alexander S.

doi:10.1016/j.apsusc.2018.12.031

Cited by 5 publications

(1 citation statement)

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“…and, quite similar for ω e b . Let us plot the scheme of the equations (50) solution, again for the case, as for the Nickel, for magnetic properties see [29]. Taking the same values for the bulk contribution as at Fig.…”

Section: Magnetoelectric Phenomena For Nanoparticlesmentioning

confidence: 99%

Magnetoelectric effects theory by Heisenberg method based on permutation group symmetry of nanoparticles

Leble¹

2020

Nanosystems: Phys. Chem. Math.

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The Heisenberg theory of ferromagnetism is widened to include external electric field action. The material relations are derived by means of differentiation of logarithm of partition function with respect to the magnetic and electric fields. The mean energy coefficients as the exchange integrals combinations are expressed via characters of irreducible representations of corresponding permutation groups by the Heitler method. The thermodynamic equations of state for polarization and magnetization, as functions of the electric and magnetic fields, are derived and illustrated by figures. The magnetization and hysteresis curves in magnetization -magnetic field components plane are built. The theory is applied to nanoparticles, the particle partition function is modeled as the product of the surface and bulk parts. The statistical sum is constructed having explicit expressions for the mean energy in terms of exchange integrals and number of closest neighbors for surface and bulk atoms. The relative contribution of the surface and bulk terms is evaluated.

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Section: Magnetoelectric Phenomena For Nanoparticlesmentioning

confidence: 99%