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Haut PDF Electronic transport and magnetization dynamics in magnetic systems

Electronic transport and magnetization dynamics in magnetic systems

Electronic transport and magnetization dynamics in magnetic systems

... zation dynamics and spin transport are coupled: a given magnetic configura- tion has an influence on the propagation of current (GMR effect), which itself influences the dynamics of the ...

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Nambu mechanics for stochastic magnetization dynamics

Nambu mechanics for stochastic magnetization dynamics

... the dynamics of a damped magnetization vector that can be understood as a generalization of Larmor spin ...gantly and consistently in the framework of dissipative Nambu ...principle and ...

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Charge transport in the assemblies of magnetic, non-magnetic and spin-cross over nano-structures

Charge transport in the assemblies of magnetic, non-magnetic and spin-cross over nano-structures

... Introduction In 1959, the famous lecture by Richard Feynman titled “There’s plenty of room at the bottom” provided an insight of what could be achieved by making “small materials” or so called nano- ...producing ...

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Closing the hierarchy for non-Markovian magnetization dynamics

Closing the hierarchy for non-Markovian magnetization dynamics

... effects in such magnetic systems are raising the question of the validity of the Markovian assumption that is commonly used, that is to have short memory in the sense that the correlation time ...

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Spin-Torque Influence on the High-Frequency Magnetization Fluctuations in Magnetic Tunnel Junctions

Spin-Torque Influence on the High-Frequency Magnetization Fluctuations in Magnetic Tunnel Junctions

... 85.75.d In magnetic multilayers, electron transport properties are governed by the relative magnetization ...magnetoresistance and is widely used in spintronics ...the ...

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Non-Markovian magnetization dynamics for uniaxial nanomagnets

Non-Markovian magnetization dynamics for uniaxial nanomagnets

... idealization and the magnetization pro- cesses predicted in this way have been observed in ultra- fast reversal magnetization ...time and the corresponding spin system ...

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Ultrafast and Distinct Spin Dynamics in Magnetic Alloys

Ultrafast and Distinct Spin Dynamics in Magnetic Alloys

... data and the simulations show that, despite the strong ferromagnetic exchange coupling between the Ni and Fe sublattices in NiFe, they apparently lose their net magnetization in a very ...

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Magnon magnetoresistance, magnetization reversal and domain wall dynamics in FePt and NiFe nanostructures

Magnon magnetoresistance, magnetization reversal and domain wall dynamics in FePt and NiFe nanostructures

... motion in magnetic nanostructures In principle, the operation of DW based devices is based on the displacement of DWs between at least two positions using either applied field or current ...pin ...

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The relative influences of disorder and of frustration on the glassy dynamics in magnetic systems

The relative influences of disorder and of frustration on the glassy dynamics in magnetic systems

... features in standard spin glasses [13, ...instance, in ZFC experiments in which modified cooling protocols were applied [13, ...While in the usual ZFC protocol the system is cooled (at a ...

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Electronic and magnetic properties of the multiferroic TbMn2O5

Electronic and magnetic properties of the multiferroic TbMn2O5

... involved and the prospects for technological applications ...lies in the coupling between orders, magnetic and electrical, with the possibility, from a static point of view, to manipulate the ...

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Magnetization dynamics in magnetic nanostructures

Magnetization dynamics in magnetic nanostructures

... the magnetization dynamics in different magnetic systems have become of large interest, in particular with respect to the industrial applications such as magnetic ...first ...

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Impact of electronic correlations on the equation of state and transport in $\epsilon$-Fe

Impact of electronic correlations on the equation of state and transport in $\epsilon$-Fe

... incorporated in the local or semi-local DFT. In this paper, we show that including local dynamical many-body effects sig- nificantly improves the description of ...properties and the equation of ...

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Oscillation annealing in Electronic Power Steering (EPS) systems

Oscillation annealing in Electronic Power Steering (EPS) systems

... Figure 7: Open loop (blue) vs closed loop frequency response. Weighting parameters are: q 1 = 3 and q 2 = 12, r = 1. is possible to observe the benefits of the proposed controller. The resonance peak that might ...

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Role of magnetic inertia in damped macrospin dynamics

Role of magnetic inertia in damped macrospin dynamics

... inertia in damped macrospin dy- ...Gilbert in his search of a mechanical analogue for the macrospin dynamics, a generalised Gilbert equation was derived within the recent theory of mesoscopic ...

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Magnetic vortex dynamics nanostructures

Magnetic vortex dynamics nanostructures

... switching and the bi-stability of the gyrotropic mode under a perpendicular field led to a proposal for an efficient read/write process for this future ...collective dynamics inside nano-discs coupled by ...

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Ising-type Magnetic Anisotropy and Slow Relaxation of the Magnetization in Four-Coordinate Amido-Pyridine FeII Complexes

Ising-type Magnetic Anisotropy and Slow Relaxation of the Magnetization in Four-Coordinate Amido-Pyridine FeII Complexes

... Large magnetic anisotropy in mononuclear metal ...magnets in molecular magnetism: towards materials from molecules? Chemical Science 2016, 7, ...complex in which zero-field splitting is ...

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Influence of the inductor shape, and the magnetization processes on a trapped magnetic flux in a superconducting bulk

Influence of the inductor shape, and the magnetization processes on a trapped magnetic flux in a superconducting bulk

... it and the second below it [21, 22, 23]. In this paper, we study a small vortex coil above the bulk which is useful for the application where we don’t have a large space to do the magnetization ...

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Magnetic and electronic properties of bulk and clusters of FePtL1$_0$

Magnetic and electronic properties of bulk and clusters of FePtL1$_0$

... ) and (Fe 5 , Fe 6 ). In the FM configuration the central and outermost Fe atoms have a slightly larger spin moments than the other atoms and not far from the bulk ...is in very good ...

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On the controllability of quantum transport in an electronic nanostructure

On the controllability of quantum transport in an electronic nanostructure

... 1.2 and 1.3 can be found in Sections ...proved in [ 10 ] and recalled in Section 2.1 below. In a nutshell, such a condition is based, on the one hand, on a nonresonance property ...

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Electronic structure and carrier dynamics in InAs/InP double-cap quantum dots

Electronic structure and carrier dynamics in InAs/InP double-cap quantum dots

... carrier dynamics and energy relaxation processes in such InAs/InP QDs are still ...sizes and a high surface density [8]. In the optimized structures, the control of the maximum QD ...

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