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Related papers: Domain Patterns in the Microwave-Induced Zero-Resi…

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We exploit the ability to precisely control the magnetic domain structure of perpendicularly magnetized Pt/Co/Pt trilayers to fabricate artificial domain wall arrays and study their transport properties. The scaling behaviour of this model…

Materials Science · Physics 2009-11-11 A. Aziz , S. J. Bending , H. G. Roberts , S. Crampin , P. J. Heard , C. H. Marrows

We discover that the way spin-waves exert magnetic torques in multiferroic materials can cause not only domain wall motion, but also magnetization dynamics for homogeneous magnetization textures. Interestingly, the domain wall motion can be…

Mesoscale and Nanoscale Physics · Physics 2016-06-03 Iryna Kulagina , Jacob Linder

The phenomena of the microwave induced zero resistance states (MIZRS) and the microwave induced resistance oscillations (MIRO) were discovered in the ultraclean two-dimensional electron systems in 2001 -- 2003 and have attracted great…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 S. A. Mikhailov

We study the formation and control of metastable states of pairs of domain walls in cylindrical nanowires of small diameter where the transverse walls are the lower energy state. We show that these pairs form bound states under certain…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Voicu O. Dolocan

The electrical resistance of a diffusive ferromagnet with magnetic domain walls is studied theoretically, taking into account the spatial dependence of the magnetization. The semiclassical domain wall resistance is found to be either…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. P. van Gorkom , Arne Brataas , Gerrit E. W. Bauer

Magnetic domain walls function as a wave guide for low energy magnons. In this paper we develop the theory for the non-local transport of these bound magnons through a ferromagnetic insulator that are injected and detected electrically in…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 Dion M. F. Hartmann , Andreas Rückriegel , Rembert A. Duine

We propose a simple model consisting of a magnetic domain wall proximity-coupled to an $s$-wave superconductor for realization of Majorana zero-energy modes. A spin-dependent gauge transformation translates the rotating magnetic profile…

Strongly Correlated Electrons · Physics 2016-03-24 Babak Zare Rameshti , Yaser Hajati , Imam Makhfudz

We studied magnetization dynamics of a geometrically confined domain wall under dc current by solving simultaneously the Landau-Lifshitz-Gilbert equation and diffusion equation for spin accumulation. We showed that the oscillation motion of…

Mesoscale and Nanoscale Physics · Physics 2009-03-09 Katsuyoshi Matsushita , Jun Sato , Hiroshi Imamura

Experimental measurements of domain wall propagation are typically interpreted by comparison to reduced models that ignore both the effects of disorder and the internal dynamics of the domain wall structure. Using micromagnetic simulations,…

Mesoscale and Nanoscale Physics · Physics 2010-05-27 Hongki Min , Robert D. McMichael , Michael J. Donahue , Jacques Miltat , M. D. Stiles

The DC and AC conductivities of the n-GaAs/AlAs heterostructure with two filled size quantization levels are studied within a wide magnetic field range. The electron spectrum of such heterostructure is characterized by two subbands…

Mesoscale and Nanoscale Physics · Physics 2020-09-07 I. L. Drichko , I. Yu. Smirnov , A. K. Bakarov , A. A. Bykov , A. A. Dmitriev , Yu. M. Galperin

Magnetotransport measurements on a high-mobility electron bilayer system formed in a wide GaAs quantum well reveal vanishing dissipative resistance under continuous microwave irradiation. Profound zero-resistance states (ZRS) appear even in…

Mesoscale and Nanoscale Physics · Physics 2010-07-09 S. Wiedmann , G. M. Gusev , O. E. Raichev , A. K. Bakarov , J. C. Portal

The paper reviews a novel class of phenomena observed recently in the two-dimensional (2D) electron system formed on the free surface of liquid helium in the presence of a magnetic field directed normally and exposed to microwave radiation.…

Strongly Correlated Electrons · Physics 2020-03-24 Yuriy Monarkha , Denis Konstantinov

We measure the low-field Hall resistivity of a magnetically-doped two-dimensional electron gas as a function of temperature and electrically-gated carrier density. Comparing these results with the carrier density extracted from Shubnikov-de…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 J. Cumings , L. S. Moore , H. T. Chou , K. C. Ku , S. A. Crooker , N. Samarth , D. Goldhaber-Gordon

Current induced domain wall (DW) motion has been investigated in a 600-nm wide nanowire using multilayer film with a structure of Ta(5 nm)/Pd(5 nm)/[CoFe(0.4 nm)/Pd(1.2 nm)]$_{15}$/Ta(5 nm)in terms of anomalous Hall effect measurements. It…

Mesoscale and Nanoscale Physics · Physics 2014-07-30 Zhaoliang Meng , Manoj Kumar , Jinjun Qiu , Guchang Han , Kie Leong Teo , Duc-The Ngo

We investigate magnetic domain wall (MDW) dynamics induced by applied electric fields in ferromagnetic-ferroelectric thin-film heterostructures. In contrast to conventional driving mechanisms where MDW motion is induced directly by magnetic…

Materials Science · Physics 2014-01-17 Ben Van de Wiele , Lasse Laurson , Kévin Franke , Sebastiaan van Dijken

We numerically study the dynamics of extended domain walls in homogeneous ferromagnets driven by a uniform magnetic field at zero temperature. Using both micromagnetic Landau-Lifshitz-Gilbert simulations and a collective-coordinate…

Disordered Systems and Neural Networks · Physics 2026-02-12 E. F. Pusiol , V. Lecomte , S. Bustingorry , A. B. Kolton

Neutron stars are ideal astrophysical laboratories for testing theories of the de Haas-van Alphen (dHvA) effect and diamagnetic phase transition which is associated with magnetic domain formation. The "magnetic interaction" between…

Solar and Stellar Astrophysics · Physics 2016-06-01 Zhaojun Wang , Guoliang Lu , Chunhua Zhu , Baoshan Wu

It is theoretically demonstrated that a displacement of a pinned domain wall, typically of order of $\mu$m, can be driven by use of an ac current which is below threshold value. The point here is that finite motion around the pinning center…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gen Tatara , Eiji Saitoh , Masahiko Ichimura , Hiroshi Kohno

Graphene is a unique two-dimensional material with rich new physics and great promise for applications in electronic devices. Physical phenomena such as the half-integer quantum Hall effect and high carrier mobility are critically dependent…

The ballistic conductance through a device consisting of quantum wires, to which two stubs are attached laterally, is calculated assuming parabolic confining potentials of frequencies $\omega_w$ for the wires and $\omega_s$ for the stubs.…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 R. Akis , P. Vasilopoulos , P. Debray