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Related papers: Structural Domain Walls in Polar Hexagonal Mangani…

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Using first-principles calculations we examine the band structures of ferromagnetic hexagonal manganites $\mathrm{YXO_3}$ (X=V, Cr, Mn, Fe and Co) in the nonpolar nonsymmorphic $P6_3/mmc$ space group. For $\mathrm{YVO_3}$ and…

Materials Science · Physics 2019-07-03 Sophie F. Weber , Sinéad M. Griffin , Jeffrey B. Neaton

We investigate the formation of stable one-dimensional N\'eel walls in a ferromagnetic slab with finite thickness and finite width. Taking into account the dipolar, the exchange and the uniaxial anisotropic crystalline field interactions,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Rafael M. Fernandes , Harry Westfahl , Rogério Magalhães-Paniago , Leticia N. Coelho

The electronic and magnetic structures in the normal and superconducting states of iron pnictides are investigated by solving self-consistently the Bogoliubov-de Gennes equation. It is shown that strong electron correlations can induce…

Superconductivity · Physics 2011-07-07 Huaixiang Huang , Degang Zhang , Tao Zhou , C. S. Ting

Materials with long-range order like ferromagnetism or ferroelectricity exhibit uniform, yet differently oriented three-dimensional regions called domains that are separated by two-dimensional topological defects termed domain…

Materials Science · Physics 2021-05-13 E. Hassanpour , M. C. Weber , A. Bortis , Y. Tokunaga , Y. Taguchi , Y. Tokura , A. Cano , Th. Lottermoser , M. Fiebig

Domain-wall dynamics in ferroelectric materials are strongly position-dependent since each polar interface is locked into a unique local microstructure. This necessitates spatially resolved studies of the wall-pinning using scanning-probe…

Materials Science · Physics 2025-06-02 Kamyar Barakati , Yu Liu , Hiroshi Funakubo , Sergei V. Kalinin

Interfacial ferroelectricity offers a promising platform for ultrafast, low-power memory devices. While previous studies have demonstrated the importance of domain wall in polarization switching, the coexistence of various domain wall types…

Materials Science · Physics 2025-12-24 Hao-Wen Xu , Wen-Cheng Fan , Jun-Ding Zheng , Cheng-Shi Yao , Ni Zhong , Wen-Yi Tong , Chun-Gang Duan

The interest in understanding scaling limits of magnetic textures such as domain walls spans the entire field of magnetism from its relativistic quantum fundamentals to applications in information technologies. The traditional focus of the…

We develop a theory to compute the domain-wall magnetoresistance (DWMR) in antiferromagnetic (AFM) metals with different spin structures. In the diffusive transport regime, the DWMR can be either {\it negative} or positive depending on the…

Mesoscale and Nanoscale Physics · Physics 2020-11-16 Jun-Hui Zheng , Arne Brataas , Mathias Kläui , Alireza Qaiumzadeh

The geometry and morphology of magnetic domain walls (DWs) are closely related to their dynamics when driven by external forces. Under some reliable approximations DWs can be considered self-affine interfaces, so universal laws govern their…

Disordered Systems and Neural Networks · Physics 2023-12-29 P. Domenichini , G. Pasquini , M. G. Capeluto

We have observed the eigenmodes of coupled transverse domain walls in a pair of ferromagnetic nanowires. Although the pair is coupled magnetostatically, its spectrum is determined by a combination of pinning by edge roughness and dipolar…

Materials Science · Physics 2014-07-29 Andrew T. Galkiewicz , Liam O'Brien , Paul S. Keatley , Russell P. Cowburn , Paul A. Crowell

Conventional magnetic domain walls are characterized by reorientation of local spins. However, what occurs at the boundary of itinerant magnets is largely unknown. Here using spin-sensitive scanning tunneling microscopy, we investigated the…

Strongly Correlated Electrons · Physics 2025-08-05 Yining Hu , Xu Wang , Chen Chen , Qingle Zhang , Dongming Zhao , Tianzhen Zhang , Chenxi Wang , Qiang-Hua Wang , Donglai Feng , Tong Zhang

We study theoretically the dynamics of composite domain walls (DW) in multiferroic material GdFeO${}_3$ driven by magnetic field $H$. Two antiferromagnetic orders of Fe and Gd spins interact Gd-ion displacement in this system with coupling…

Mesoscale and Nanoscale Physics · Physics 2020-12-29 Koji Kawahara , Hirokazu Tsunetsugu

Magnetic nano-objects possess great potential for more efficient data processing, storage and neuromorphic type of applications. Using high perpendicular magnetic anisotropy synthetic antiferromagnets in the form of multilayer-based…

For antiferromagnetically coupled Fe/Cr multilayers the low field contribution to the resistivity, which is caused by the domain walls, is strongly enhanced at low temperatures. The low temperature resistivity varies according to a power…

Materials Science · Physics 2009-11-10 F. G. Aliev , R. Schad , A. Volodin , K. Temst , C. Van Haesendonck , Y. Bruynseraede , I. Vavra , V. K. Dugaev , R. Villar

Understanding the underlying mechanism and phenomenology of colossal magnetoresistance in manganites has largely focused on atomic and nanoscale physics such as double exchange, phase separation, and charge order. Here we consider a more…

Strongly Correlated Electrons · Physics 2016-01-06 C. Phatak , A. K. Petford-Long , H. Zheng , J. F. Mitchell , S. Rosenkranz , M. R. Norman

The manipulation of mesoscale domain wall phenomena has emerged as a powerful strategy for designing ferroelectric responses in functional devices, but its full potential has not yet been realized in the field of magnetism. We show that…

We examine the combined effects of interlayer exchange coupling (IEC) and the interfacial Dzyaloshinskii-Moriya Interaction (DMI) on the structure of magnetic domain walls in fully compensated synthetic anti-ferromagnets (SAFs). Ir-based…

Materials Science · Physics 2019-10-28 Nisrit Pandey , Maxwell Li , Marc De Graef , Vincent Sokalski

The current-driven motion of magnetic domain walls (DWs) is the working principle of magnetic racetrack memories. In this type of spintronic technology, high current densities are used to propel DW motion in magnetic nanowires, causing…

Recently, a layered ferroelectric CuInP2Se6 was shown to exhibit domain walls with locally enhanced piezoresponse - a striking departure from the observations of nominally zero piezoresponse in most ferroelectrics. Although it was proposed…

Sliding ferroelectrics constructed from stacked nonpolar monolayers enable out-of-plane polarization in two dimensions with exceptional properties, including ultrafast switching speeds and fatigue-free behavior. However, the widely accepted…

Materials Science · Physics 2025-02-04 Changming Ke , Fucai Liu , Shi Liu