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We have studied nucleation of magnetic domains and propagation of magnetic domain walls (DWs) induced by pulsed magnetic field in a ferromagnetic film with in-plane uniaxial anisotropy. Different from what have been seen up to now in…

Materials Science · Physics 2020-12-30 Xiaochao Zhou , Nicolas Vernier , Guillaume Agnus , Sylvain Eimer , Ya Zhai

Magnetic sensors based on the magnetoresistance effects have a promising application prospect due to their excellent sensitivity and advantages in terms of the integration. However, competition between higher sensitivity and larger…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Xueying Zhang , Nicolas Vernier , Zhiqiang Cao , Qunwen Leng , Anni Cao , Dafine Ravelosona , Weisheng Zhao

We theoretically investigate magnon heat transport in an antiferromagnetic (AFM) insulator containing a domain wall (DW) in the presence of a magnetic field applied along the easy axis. We show that the intrinsic spin of the DW couples to…

Mesoscale and Nanoscale Physics · Physics 2024-12-30 Ehsan Faridi , Se Kwon Kim , Giovanni Vignale

The ability to control solid-state quantum emitters is fundamental to advancing quantum technologies. The performance of these systems is fundamentally governed by their spin-dependent photodynamics, yet conventional control methods using…

Quantum Physics · Physics 2025-11-10 Zhixian Liu , Jiahao Sun , Ganyu Xu , Bo Yang , Yuhang Guo , Yu Wang , Cunliang Xin , Hongfang Zuo , Mengqi Wang , Ya Wang

Antiferromagnetic (AF) domain walls have recently attracted revived attention, not only in the emerging field of AF spintronics, but also more specifically for offering fast domain wall velocities and dynamic excitations up to the terahertz…

We report on the controllable pinning of domain walls in stripes with perpendicular magnetic anisotropy by magnetostatic coupling to magnetic vortices in disks located above the stripe. Pinning mechanisms and depinning fields are reported.…

Mesoscale and Nanoscale Physics · Physics 2017-06-13 R. L. Novak , L. C. Sampaio

Adiabatic spin transfer torque induced domain wall (DW) depinning from a notch and DW propagation in a nanowire with a series of notches is investigated. Surprisingly, notches help a current to depin a DW and make a DW easier to propagate…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 H. Y. Yuan , X. R. Wang

Domain walls (DWs) in magnetic nanowires are promising candidates for a variety of applications including Boolean/unconventional logic, memories, in-memory computing as well as magnetic sensors and biomagnetic implementations. They show…

Mesoscale and Nanoscale Physics · Physics 2023-05-30 G. Venkat , D. A. Allwood , T. J. Hayward

The magnetostatic interaction between two oppositely charged transverse domain walls (DWs)in adjacent Permalloy nanowires is experimentally demonstrated. The dependence of the pinning strength on wire separation is investigated for…

Materials Science · Physics 2015-05-13 Liam O'Brien , D. Petit , H. T. Zeng , E. R. Lewis , J. Sampaio , A. V. Jausovec , D. E. Read , R. P. Cowburn

We utilize a focused beam of Ga+ ions to define magnetization pinning sites in a ferromagnetic epilayer of (Ga,Mn)As. The nonmagnetic defects locally increase the magneto-crystalline anisotropy energies, by which a domain wall is pinned at…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. W. Holleitner , H. Knotz , R. C. Myers , A. C. Gossard , D. D. Awschalom

Transmission probability of a domain wall through a magnetic nanowire is investigated as a function of the external magnetic field. Very intriguing phenomenon is found that the transmission probability shows a significant drop after…

Two-dimensional structures that exhibit intriguing magnetic phenomena such as perpendicular magnetic anisotropy and switchable magnetization are of great interests in spintronics research. Herein, the density-functional theory studies…

Computational Physics · Physics 2018-04-04 P. Taivansaikhan , T. Tsevelmaa , S. H. Rhim , S. C. Hong , D. Odkhuu

Implementation of antiferromagnetic compounds as active elements in spintronics has been hindered by their insensitive nature against external perturbations which causes difficulties in switching among different antiferromagnetic spin…

The dynamics of magnetic domain walls along ferromagnetic strips with spatially modulated perpendicular magnetic anisotropy is theoretically studied by means of micromagnetic simulations. Ferromagnetic layers with a periodic sawtooth…

Materials Science · Physics 2018-06-19 Luis Sánchez-Tejerina , Óscar Alejos , Víctor Raposo , Eduardo Martínez

We investigate the role of lithographically-induced strain relaxation in a micron-scaled device fabricated from epitaxial thin films of the magnetostrictive alloy Fe81Ga19. The strain relaxation due to lithographic patterning induces a…

Current induced magnetization switching and resistance associated with domain walls pinned in nanoconstrictions have both been previously reported in (Ga,Mn)As based devices, but using very dissimilar experimental schemes and device…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. Gould , K. Pappert , C. Rüster , R. Giraud* , T. Borzenko , G. M. Schott , K. Brunner , G. Schmidt , L. W. Molenkamp

Van der Waals magnets provide opportunities for exploring low-dimensional magnetism and spintronic phenomena. The Mermin-Wagner theorem states that long-range correlations in reduced dimensions are stabilized and controlled by magnetic…

Precise control of magnetic domain formation at the nanoscale remains constrained by stochastic defect-mediated and unstable pinning, limiting scalability and reproducibility in spintronic architectures. Here we demonstrate that spatially…

Mesoscale and Nanoscale Physics · Physics 2026-05-18 Gijs W. A. Simons , Rik F. J. van Haren , Bert Koopmans

We show that in a magnetic nanowire with double magnetic domain walls, quantum interference results in spin-split quasistationary states localized mainly between the domain walls. Spin-flip-assisted transmission through the domain structure…

Materials Science · Physics 2009-11-11 V. K. Dugaev , J. Berakdar , J. Barnas

The perpendicular magnetic anisotropy K$_e$$_f$$_f$, magnetization reversal, and field-driven domain wall velocity in the creep regime are modified in Pt/Co(0.85-1.0 nm)/Pt thin films by strain applied via piezoelectric transducers.…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 P. M. Shepley , A. W. Rushforth , M. Wang , G. Burnell , T. A. Moore