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Related papers: Magnetic droplet solitons

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Molecular Nanomagnets have attracted the attention of the scientific community since the rich physics behind their magnetic behaviour make them ideal test-beds for fundamental concepts in quantum mechanics. Sophisticated experiments and…

Mesoscale and Nanoscale Physics · Physics 2021-01-19 Elena Garlatti , Alessandro Chiesa , Tatiana Guidi , Giuseppe Amoretti , Paolo Santini , Stefano Carretta

Aqueous dispersions of exfoliated, bile-salt stabilized single-wall carbon nanotubes exhibit a first order transition to a nematic liquid-crystalline phase. The nematic phase presents itself in the form of micron-sized nematic droplets also…

Soft Condensed Matter · Physics 2013-06-25 Nicolas Puech , Eric Grelet , Philippe Poulin , Christophe Blanc , Paul van der Schoot

Vortices and antivortices are typical non uniform magnetization configurations that can be achieved in spin-torque oscillators with in-plane materials. Dynamics of a vortex-antivortex pair, namely vortex dipole, were predicted and already…

Pattern Formation and Solitons · Physics 2018-07-04 A. Giordano , V. Puliafito , L. Torres , M. Carpentieri , B. Azzerboni , G. Finocchio

Kinetic equations for magnetic nano particles dispersed in a viscous liquid are developed and analyzed numerically. Depending on the amplitude of an applied oscillatory magnetic field the particles orient their time averaged anisotropy axis…

Materials Science · Physics 2016-01-20 Klaus D. Usadel , Clemens Usadel

Based on Monte Carlo (MC) computer simulations we study the structure formation of a system of magnetic nanorods. Our model particles consist of fused spheres with permanent magnetic dipole moments, as inspired by recent experiments. The…

Soft Condensed Matter · Physics 2012-03-22 Carlos E. Alvarez , Sabine H. L. Klapp

Magnetic domain walls are pinned strongly by abrupt changes in magnetic anisotropy. When driven into oscillation by a spin-polarized current, locally pinned domain walls can be exploited as tunable sources of short-wavelength spin waves.…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Pavel Baláž , Sampo J. Hämäläinen , Sebastiaan van Dijken

The miniaturisation of transistors is approaching its limits due to challenges in heat management and information transfer speed. To overcome these obstacles, emerging technologies such as spintronics are being developed, which leverage the…

Experimentally detected ultrafast spin-avalanches spreading in crystals of molecular (nano)magnets (Decelle et al., Phys. Rev. Lett. 102, 027203 (2009)), have been recently explained in terms of magnetic detonation (Modestov et al., Phys.…

Mesoscale and Nanoscale Physics · Physics 2015-01-05 O. Jukimenko , M. Modestov , M. Marklund , V. Bychkov

Characteristic results of magnetism in small particles and thin films are presented. As a consequence of the reduced atomic coordination in small clusters and thin films the electronic states and density of states modify. Thus magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 K. H. Bennemann

Neutron scattering is a powerful tool to study magnetic structures and dynamics, benefiting from a precisely established theoretical framework. The neutron dipole moment interacts with electrons in materials via their magnetic field, which…

Strongly Correlated Electrons · Physics 2020-11-23 Nicolas Gauthier , Victor Porée , Sylvain Petit , Vladimir Pomjakushin , Elsa Lhotel , Tom Fennell , Romain Sibille

Dynamical topological solitons are studied in classical two-dimensional Heisenberg easy-axis ferromagnets. The properties of such solitons are treated both analytically in the continuum limit and numerically by spin dynamics simulations of…

Strongly Correlated Electrons · Physics 2007-05-23 Denis D. Sheka , Christian Schuster , Boris A. Ivanov , Franz G. Mertens

Magnetic domain walls in thin films can be well analyzed using polarized neutron reflectometry. Well defined streaks in the off-specular spin-flip scattering maps are explained by neutron refraction at perpendicular N\'{e}el walls. The…

Materials Science · Physics 2007-05-23 F. Radu , V. Leiner , K. Westerholt , H. Zabel , J. McCord , A. Vorobiev , J. Major , D. Jullien , H. Humblot , F. Tasset

Optomechanical manipulation of nanoparticles enabling ultimate control over their 3D motion is nowadays one of the most highly demanded links between optics, biology, medicine, microfluidics, etc., paving the way for a plethora of emerging…

Optics · Physics 2020-01-08 D. A. Dolinina , A. S. Shalin , A. V. Yulin

The article reports the domineering governing role played by the direction of electric and magnetic fields on the internal advection pattern and strength within salt solution pendant droplets. Literature shows that solutal advection drives…

Fluid Dynamics · Physics 2018-12-19 Purbarun Dhar , Vivek Jaiswal , A R Harikrishnan

We propose two approaches to cloak the spin waves (magnons) by investigating magnetization dynamics. One approach is based on a spatially inhomogeneous anisotropic magnetic moment tensor. The other mechanism is using a spatially…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 Mehrdad Elyasi , Charanjit S. Bhatia , Cheng-Wei Qiu , Hyunsoo Yang

Scanning tunnelling microscopy and break-junction experiments realize metallic and molecular nanocontacts that act as ideal one-dimensional channels between macroscopic electrodes. Emergent nanoscale phenomena typical of these systems…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Ryan Requist , Pier Paolo Baruselli , Alexander Smogunov , Michele Fabrizio , Silvio Modesti , Erio Tosatti

Magnetic skyrmions are topologically protected local magnetic solitons that are promising for storage, logic or general computing applications. In this work, we demonstrate that we can use a skyrmion device based on [W/CoFeB/MgO] 1 0…

We have constructed and characterised an instrument to study gravitationally bouncing droplets of fluid, subjected to periodic driving force. Our system incorporates a droplet printer that enables an on-demand computer controlled deposition…

Fluid Dynamics · Physics 2024-03-12 Tapio Simula

The impact of nanometer sized drops on solid surfaces is studied using molecular dynamics simulations. Equilibrated floating drops consisting of short chains of Lennard-Jones liquids with adjustable volatility are directed normally onto an…

Soft Condensed Matter · Physics 2015-06-11 Joel Koplik , Rui Zhang

Magnetic solitons are promising for applications due to their intrinsic properties such as small size, topological stability, ultralow power manipulation and potentially ultrafast operations. To date, research has focused on the…

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