English
Related papers

Related papers: Circular single domains in hemispherical small siz…

200 papers

We study numerically the ground state magnetization for clusters of interacting electrons in two dimensions in the regime where the single particle wavefunctions are localized by disorder. It is found that the Coulomb interaction leads to a…

Condensed Matter · Physics 2009-11-07 Giuliano Benenti , Gaetan Caldara , Dima L. Shepelyansky

Magnetic domains at the surface of a ferroelectric monodomain BiFeO3 single crystal have been imaged by hard X-ray magnetic scattering. Magnetic domains up to several hundred microns in size have been observed, corresponding to cycloidal…

Strongly Correlated Electrons · Physics 2013-05-27 R. D. Johnson , P. Barone , A. Bombardi , R. J. Bean , S. Picozzi , P. G. Radaelli , Y. S. Oh , S-W. Cheong , L. C. Chapon

The interfacial Dzyaloshinskii-Moriya interaction (DMI) is intimately related to the prospect of superior domain-wall dynamics and the formation of magnetic skyrmions. Although some experimental efforts have been recently proposed to…

We have reinvestigated the magnetic properties of the classical metallic helimagnet MnP by magnetization and neutron scattering experiments. Our neutron scattering results indicate that the previously reported magnetic structure in the…

Magnetic multilayers of (Ir/Co/Pt)$_6$ with interfacial Dzyaloshinskii-Moriya interaction (IDMI) were deposited by magnetron sputtering with Co thickness $d=1.8$ nm. Exploiting magneto-optical Kerr effect in longitudinal mode microscopy,…

Mesoscale and Nanoscale Physics · Physics 2022-04-13 A. K. Dhiman , R. Gieniusz , P. Gruszecki , J. Kisielewski , M. Matczak , Z. Kurant , I. Sveklo , U. Guzowska , M. Tekielak , F. Stobiecki , A. Maziewski

In this paper a detailed numerical study (in frames of the Slonczewski formalism) of magnetization oscillations driven by a spin-polarized current through a thin elliptical nanoelement is presented. We show that a sophisticated…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 D. V. Berkov , N. L. Gorn

Results of extensive combined experimental and theoretical investigations on static and dynamic properties of Ir/Co/Pt multilayer with low uniaxial anisotropy and asymmetric Ir/Co and Co/Pt interfaces responsible for large interfacial…

We studied the dynamic magnetic properties of plane periodical arrays of circular permalloy nano-dots fabricated using a self-organized mask formed by polysterene nanospheres on the surface of a Permalloy film. Conventional (microwave…

Materials Science · Physics 2008-02-07 M. Kostylev , R. Magaraggia , F. Y. Ogrin , V. Mescheryakov , N. Ross , R. L. Stamps

The magnetization reversal in 330 nm triangular prismatic magnetic nanoelements with variable magnetocrystalline anisotropy similar to that of partially chemically ordered FePt is studied using micromagnetic simulations employing Finite…

Computational Physics · Physics 2019-03-27 Leonidas N. Gergidis , Vasileios D. Stavrou , Drosos Kourounis , Ioannis Panagiotopoulos

We demonstrate the existence of a helical state in patterned multilayer nanomagnets. The artificial helimagnets consist of a stack of single domain ferromagnetic disks separated by insulating nonmagnetic spacers. The spiral state is shown…

The Dzyaloshinskii-Moriya interaction (DMI), which is the antisymmetric part of the exchange interaction between neighboring local spins, winds the spin manifold and can stabilize non-trivial topological spin textures. Since topology is a…

Materials Science · Physics 2025-12-30 Bradley J. Fugetta , Zhijie Chen , Dhritiman Bhattacharya , Kun Yue , Kai Liu , Amy Y. Liu , Gen Yin

We have observed distinct temperature-dependent magnetization reversal modes in a perpendicular (Co/Pd)4/Co/Cu/(Co/Ni)4/Co pseudo-spin-valve, which are correlated with spin-transport properties. At 300 K, magnetization reversal occurs by…

Materials Science · Physics 2013-07-12 J. E. Davies , D. A. Gilbert , S. M. Mohseni , R. K. Dumas , J. Åkerman , Kai Liu

We study magnetization reversal and first order reversal curves for two different magnetic topological semimetals, Co3Sn2S2 and Fe3GeTe2, in a wide temperature range. For the magnetization reversal, we observe strong temperature dependence…

Mesoscale and Nanoscale Physics · Physics 2023-03-31 A. A. Avakyants , N. N. Orlova , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

Magnetic skyrmion crystals are topological magnetic textures arising in the chiral ferromagnetic materials with Dzyaloshinskii-Moriya interaction. The magnetostatic fields generated by magnetic skyrmion crystals are first studied by…

Mesoscale and Nanoscale Physics · Physics 2018-06-21 Ren Qin , Yong Wang

The unusual magnetic behaviour of helimagnet MnSi, noticed in recent years, prompted the suspicion that the magnetic states arising in such crystals are of topological nature. Recent experiments based on the topological Hall effect…

Other Condensed Matter · Physics 2009-06-18 Anjan Kundu

Magnetic skyrmions are nanometric spin textures of outstanding potential for spintronic applications due to unique features governed by their non-trivial topology. It is well known that skyrmions of definite chirality are stabilized by the…

Magnetic skyrmions have attracted great research interest in recent years due to their exotic physical properties, scientific merit and potential applications in modern technology. Here, we apply a quantum computational method to…

Mesoscale and Nanoscale Physics · Physics 2020-02-04 Zhaosen Liu , Tiantian Huan , Hou Ian

Mallinson's idea that some spin textures in planar magnetic structures could produce an enhancement of the magnetic flux on one side of the plane at the expense of the other gave rise to permanent magnet configurations known as Halbach…

Materials Science · Physics 2018-05-09 Miguel A. Marioni , Marcos Penedo , Mirko Baćani , Johannes Schwenk , Hans J. Hug

We explore the hysteretic dynamics of spinor Bose-Einstein condensates of ultracold atoms loaded in static 2D ring geometries and subjected to varying synthetic magnetic fields. Electrically neutral, pseudo-spin-$1/2$ condensates are probed…

Quantum Gases · Physics 2024-08-09 Shuji Jia , Jintao Xu , Qian Jia , Haibo Qiu , Antonio Muñoz Mateo

A detailed numerical simulation of quasistatic hysteresis loops of dense clusters of interacting magnetic nanoparticles is carried out. Both clusters of magnetically soft and magnetically hard nanoparticles are considered. The clusters are…

Mesoscale and Nanoscale Physics · Physics 2018-01-08 N. A. Usov , O. N. Serebryakova
‹ Prev 1 4 5 6 7 8 10 Next ›