Search Results - "Usov, N.A."

Magnetic nanoparticle motion in external magnetic field by Usov, N.A., Liubimov, B. Ya

“…A set of equations describing the motion of a free magnetic nanoparticle in an external magnetic field in a vacuum, or in a medium with negligibly small…”
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Magnetostatic interaction in oriented assembly of elongated nanoparticles by Usov, N.A.

“…•Magneto- dipole interaction matrix is calculated for oriented spheroidal nanoparticles.•Spherical approximation for interaction matrix is incorrect at aspect…”
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Remanent Magnetization States in Soft Magnetic Nanowires by Usov, N.A., Zhukov, A., Gonzalez, J.

“…Stable magnetization configurations have been obtained for magnetically soft cylindrical nanowire depending on wire diameter, aspect ratio, and material…”
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Magnetodynamics of vortex in thin cylindrical platelet by Usov, N.A., Kurkina, L.G.

“…Equation of motion is stated for effective variables describing a vortex motion in thin cylindrical platelet of soft magnetic type. It is shown that the motion…”
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Non uniform micromagnetic states in spheroidal magnetite nanoparticles by Usov, N.A., Serebryakova, O.N.

“…•Energy diagrams for micromagnetic states in magnetite nanoparticles are calculated.•They essentially depend on the type of particle combined magnetic…”
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Ferromagnetic resonance in thin ferromagnetic film with surface anisotropy by Usov, N.A.

“…•Surface anisotropy is the origin of out-of-plane magnetization in ultra-thin CoFeB/MgO bilayers.•Natural boundary condition describes the effect of surface…”
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Influence of surface anisotropy on domain wall dynamics in magnetic nanotube by Usov, N.A., Serebryakova, O.N.

“…•Stable surface domain structure arises in magnetic nanotube when surface anisotropy constant is negative and sufficiently high in absolute value.•The period…”
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Dynamics of particles with cubic magnetic anisotropy in a viscous liquid by Gubanova, E.M., Rytov, R.A., Usov, N.A.

“…•Specific absorption rate of nanoparticles with cubic anisotropy in viscous liquid is calculated.•The viscous and magnetic magnetization reversal modes of…”
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Magnetization patterns of permalloy networks by Mei-Feng Lai, Zung-Hang Wei, Wu, J.C., Chang, C.-R., Usov, N.A., Chang, I., Jun-Yang Lai

“…Magnetization patterns in Permalloy network junctions are obtained by use of experiments and micromagnetic simulations. In the as-deposited thin film of the…”
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Magnetization reversals in elliptical permalloy particles by Zung-Hang Wei, Mei-Feng Lai, Chang, C.-R., Usov, N.A., Wu, J.C., Jun-Yang Lai

“…We use the micromagnetic simulation to study the reversible and irreversible magnetization processes of the single-domain elliptical permalloy particles. The…”
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Magnetization reversal of thin ferromagnetic elements with surface anisotropy by Usov, N.A., Serebryakova, O.N.

“…•Perpendicular and in-plane hysteresis loops of thin-film elements with surface anisotropy are calculated numerically.•Buckling nucleation mode determines the…”
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Magnetostatic properties of assembly of magnetic vortices by Bautin, V.A., Perov, N.S., Rytov, R.A., Gubanova, E.M., Usov, N.A.

“…The ultrasonic oscillation of a macroscopic sample in a viscous liquid is used to create magnetic particles of FeCo alloy with an average diameter D ~100 nm…”
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Nonuniform micromagnetic states in thin permalloy disk by Zung-Hang Wei, Mei-Feng Lai, Chang, C.-R., Usov, N.A., Wu, J.C., Jun-Yang Lai

“…As the diameter of the permalloy thin film becomes larger than some critical size, the quasiuniform state turns out to be unstable and transforms to a new…”
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Properties of polycrystalline nanoparticles with uniaxial and cubic types of magnetic anisotropy of individual grains by Bautin, V.A., Seferyan, A.G., Nesmeyanov, M.S., Usov, N.A.

“…•Single-domain diameters of polycrystalline particles are reduced.•Effective single-domain diameter decreases with magnetic hardness increase.•Structural…”
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Equilibrium magnetization patterns in network nanostructures by Usov, N.A., Chang, C.-R., Wei, Z.-H.

“…Equilibrium magnetization patterns in network nanostructures composed of many-armed junctions are obtained by means of numerical simulation. It is shown that…”
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Quasistatic hysteresis loops of magnetic nanoparticles in a rotating magnetic field by Usov, N.A., Gubanova, E.M., Epshtein, N.B., Belyaeva, G.A., Oleinikov, V.A.

“…•For a nanoparticle in rotating magnetic field magnetic hysteresis exists in a restricted range of magnetic field amplitudes.•The nanoparticle coercive force…”
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Investigation of the properties of Co-rich amorphous ferromagnetic microwires by means of small angle magnetization rotation method by Gudoshnikov, S., Churyukanova, M., Kaloshkin, S., Zhukov, A., Zhukova, V., Usov, N.A.

“…The amplitude of the second harmonic of the electro-motive force occurring in the receiving pick-up coil when alternating electrical current is flowing through…”
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Magnetic properties and magneto-impedance of cold-drawn permalloy-copper composite wires by Antonov, A.S., Rakhmanov, A.L., Buznikov, N.A., Prokoshin, A.F., Granovsky, A.B., Perov, N.S., Usov, N.A.

“…The permalloy-copper composite wires consisting of high conductivity Cu inner core and NiFe outer shell were fabricated by a modified cold-drawn technique, The…”
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Mechanical properties and internal quenching stresses in Co-rich amorphous ferromagnetic microwires by Kostitsyna, E.V., Gudoshnikov, S.A., Popova, A.V., Petrzhik, M.I., Tarasov, V.P., Usov, N.A., Ignatov, A.S.

“…The whole set of geometrical, mechanical and magnetic parameters of Co-rich amorphous ferromagnetic microwires very promising for the development of sensitive…”
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Glass shell etching to control residual quenching stress in Co-rich amorphous ferromagnetic microwires by Bautin, V.A., Kostitsyna, E.V., Popova, A.V., Gudoshnikov, S.A., Ignatov, A.S., Usov, N.A.

“…The magnetic properties of amorphous glass coated microwires are determined mainly by the distribution of residual quenching stresses over the microwire cross…”
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