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ferromagnetic resonance

Measurement of the dynamical dipolar coupling in a pair of magnetic nano-disks using a Ferromagnetic Resonance Force Microscope

Measurement of the dynamical dipolar coupling in a pair of magnetic nano-disks using a Ferromagnetic Resonance Force Microscope

... all ferromagnetic resonance phenomena, its direct measurement has been elusive because it is diffi- cult to reach a regime where this coupling is ...

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Influence of spin-transfer torque on thermally activated ferromagnetic resonance excitations in magnetic tunnel junctions

Influence of spin-transfer torque on thermally activated ferromagnetic resonance excitations in magnetic tunnel junctions

... 2 Headway Technologies, 6785 Hillview Drive, Milpitas, California 95035, USA 共Received 11 June 2008; revised manuscript received 19 October 2008; published 18 November 2008 兲 Voltage noise measurements on magnetic tunnel ...

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Surface-acoustic-wave-driven ferromagnetic resonance in (Ga,Mn)(As,P) epilayers

Surface-acoustic-wave-driven ferromagnetic resonance in (Ga,Mn)(As,P) epilayers

... driven ferromagnetic resonance in a thin film of DFS, in our case ...expected resonance fields versus temperature and acoustic resonance ...SAW-driven ferromagnetic resonance ...

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Nutation spectroscopy of a nanomagnet driven into deeply nonlinear ferromagnetic resonance

Nutation spectroscopy of a nanomagnet driven into deeply nonlinear ferromagnetic resonance

... magnetic resonance spectroscopy, which includes various techniques such as nuclear magnetic resonance (NMR), electron paramag- netic resonance (EPR), and ferromagnetic resonance (FMR), ...

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Comparative study of the ferromagnetic resonance behavior of coupled rectangular and circular Ni[subscript 80]Fe[subscript 20] rings

Comparative study of the ferromagnetic resonance behavior of coupled rectangular and circular Ni[subscript 80]Fe[subscript 20] rings

... broadband ferromagnetic resonance (FMR) spectroscopy, four resonance modes were found in rectangular rings instead of two resonance modes in circular ...of resonance modes but also ...

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Electrical effects in ferromagnetic resonance of nanostructures and atomic contacts

Electrical effects in ferromagnetic resonance of nanostructures and atomic contacts

... abstract The aim of this thesis is the study of ferromagnetic resonance properties (FMR) of nanostructures and atomic contacts. In order to achieve this, we take advantage of the fact that electrical ...

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Ferromagnetic resonance of isotropic heterogeneous magnetic materials: theory and experiments

Ferromagnetic resonance of isotropic heterogeneous magnetic materials: theory and experiments

... Keywords: Ferromagnetic resonance frequency; Demagnetizing e!ects; Composite materials We have shown recently that ferrimagnetic composite bodies show a very di!erent microwave behavior than one of the bulk ...

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Pressure Dependence of the Frequency Permeability Spectra of Soft Ferrite Composite Materials: A Method of Measuring the Natural Ferromagnetic Resonance Frequency

Pressure Dependence of the Frequency Permeability Spectra of Soft Ferrite Composite Materials: A Method of Measuring the Natural Ferromagnetic Resonance Frequency

... CEA-LETI/DIHS/LCMS, Grenoble, France Spintronic Lab Center for Nanostorage Research, Physics Department, National Taiwan University, Taipei, Taiwan Experimental studies on the complex susceptibility of soft magnetic ...

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Penetration depth and absorption mechanisms of spin currents in Ir 20 Mn 80 and Fe 50 Mn 50 polycrystalline films by ferromagnetic resonance and spin pumping

Penetration depth and absorption mechanisms of spin currents in Ir 20 Mn 80 and Fe 50 Mn 50 polycrystalline films by ferromagnetic resonance and spin pumping

... room temperature critical penetration depths and absorption mechanisms of spin currents in Ir 20 Mn 80 and Fe 50 Mn 50 spin sinks by means of F-resonance and spin pumping. Different room temperature absorption ...

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Ferromagnetic resonance force spectroscopy of individual sub-micron size samples

Ferromagnetic resonance force spectroscopy of individual sub-micron size samples

... imental realization for the present study. 1. Excitation part The sample magnetization is excited by a microstrip antenna placed underneath (see Figs.1 and 2). The an- tenna consists of a 1 µm thick gold micro-strip ...

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Spin wave free spectrum and magnetic field gradient of nanopatterned planes of ferromagnetic cobalt nanoparticles: key properties for magnetic resonance based quantum computing

Spin wave free spectrum and magnetic field gradient of nanopatterned planes of ferromagnetic cobalt nanoparticles: key properties for magnetic resonance based quantum computing

... like ferromagnetic nanos- ...several ferromagnetic nanostripes in a thin film containing magnetic metal ...the ferromagnetic resonance mode in the case of a bulk ...broad ...

9

Tight-binding modelling of ferromagnetic metals and alloys

Tight-binding modelling of ferromagnetic metals and alloys

... µ A,eq (U A , U B ) and µ B,eq (U A , U B ), for a given (U A , U B ) couple, are those cor- responding to the values of (∆ε A , ∆ε B ) for which ∆E b is minimum. 4 Conclusion We have presented here a simple way to ...

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Spin-dependent diffraction at ferromagnetic/spin spiral interface

Spin-dependent diffraction at ferromagnetic/spin spiral interface

... Although proposed very early [ 3 ], current-induced domain wall motion (DWM) has attracted much attention because of its great application potential but also because of the deep fundamen[r] ...

9

An Evolving Switching Surface Model for Ferromagnetic Hysteresis

An Evolving Switching Surface Model for Ferromagnetic Hysteresis

... In the present work, we use at most eleven model parameters to probe the most com- plex experimental loading history corresponding to first order asymmetric minor loops (FOMLs). This mak[r] ...

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Spinor stochastic resonance

Spinor stochastic resonance

... III. EXPERIMENTAL METHOD We consider a spin-trigger regime [ 14 , 16 ] that simply derives from a double-well potential featuring two spin minima: spin up ( ↑) and spin down (↓). We reach the polariton spin-trigger ...

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Magneto-mechanical behavoirs of ferromagnetic shape memory alloys

Magneto-mechanical behavoirs of ferromagnetic shape memory alloys

... 23 applying a magnetic field will induce the magneto-structural transition from the antiferromagnetic/paramagnetic martensite to the ferromagnetic austenite and cool down the material (so-called inverse ...

191

Atomic Resonance and Scattering

Atomic Resonance and Scattering

... In order to observe this double resonance effect, RF power to the proton is modulated off-on, and the electron signal is monitored with a lock-in amplifier at th[r] ...

8

Control of travelling walls in a ferromagnetic nanowire

Control of travelling walls in a ferromagnetic nanowire

... of ferromagnetic mate- rials, called micromagnetism, was introduced by ...of ferromagnetic materials, are the magnetostatic one (electromagnetism), the exchange one (spin-spin interactions), the anisotropy ...

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Current-driven dynamics of chiral ferromagnetic domain walls

Current-driven dynamics of chiral ferromagnetic domain walls

... c,d Domain wall propagation field H prop as function of driving electron current density j e exhibiting the same trend for Up-Down (filled symbols) and Down-Up domain walls (empty [r] ...

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3D Magnetic Resonance Spirometry

3D Magnetic Resonance Spirometry

... afflictions. This technique is non-invasive, simple, widely available, robust, repeatable and reproducible. Yet, its outcomes rely on the patient’s cooperation and provide only global information over the lung. With 3D ...

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