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Related papers: Defect-Mediated Bulk Dzyaloshinskii-Moriya Interac…

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It is well established that the spin-orbit interaction in heavy metal/ferromagnet heterostructures leads to a significant interfacial Dzyaloshinskii-Moriya Interaction (DMI) that modifies the internal structure of magnetic domain walls…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 Ran Cheng , Maxwell Li , Arjun Sapkota , Anish Rai , Ashok Pokhrel , Tim Mewes , Claudia Mewes , Di Xiao , Marc De Graef , Vincent Sokalski

Spin canting and complex spin textures in antiferromagnetic materials can often be described in terms of Dzyaloshinskii-Moriya interactions (DMI). Values for DMI parameters are not easily measurable directly, and often inferred from other…

Materials Science · Physics 2021-11-24 Jephthah Iyaro , Igor Proskurin , Robert L. Stamps

A spin Hamiltonian, which characterizes interatomic interactions between spin moments, is highly valuable in predicting and comprehending the magnetic properties of materials. A deeper understanding of the microscopic origin of magnetic…

We theoretically study the Dzyaloshinskii-Moriya interaction (DMI) mediated by band electrons with strong spin-orbit coupling (SOC). We first derive a general formula for the coefficient ${\bm D}_i$ of the DMI in free energy in terms of…

Mesoscale and Nanoscale Physics · Physics 2023-11-08 Yuto Hayakawa , Yusuke Imai , Hiroshi Kohno

The Dzyaloshinskii-Moriya interaction (DMI) and perpendicular magnetic anisotropy (PMA) were measured on four series of Co films (1-2.2 nm thick) grown on Pt or Au and covered with h-BN or Cu. Clean h-BN/Co interfaces were obtained by…

The Dzyaloshinskii-Moriya interaction (DMI) in magnetic systems stabilizes spin textures with preferred chirality, applicable to next-generation memory and computing architectures. In perpendicularly magnetized heavy-metal/ferromagnet…

Chiral magnets are of fundamental interest and have important technological ramifications. The origin of chiral magnets lies in the Dzyaloshinskii-Moriya interaction (DMI), an interaction whose experimental and theoretical determination is…

Materials Science · Physics 2020-02-19 Hongying Jia , Bernd Zimmermann , Gregor Michalicek , Gustav Bihlmayer , Stefan Blügel

We measure and analyze the chirality of the Dzyaloshinskii-Moriya interaction (DMI) stabilized spin textures in multilayers of Ta/Co$_{20}$Fe$_{60}$B$_{20}$/MgO. The effective DMI is measured experimentally using domain wall motion…

Mesoscale and Nanoscale Physics · Physics 2018-10-10 G. V. Karnad , F. Freimuth , E. Martinez , R. Lo Conte , G. Gubbiotti , T. Schulz , S. Senz , B. Ocker , Y. Mokrousov , M. Kläui

Brillouin light spectroscopy is a powerful and robust technique for measuring the interfacial Dzyaloshinskii-Moriya interaction in thin films with broken inversion symmetry. Here we show that the magnon visibility, i.e. the intensity of the…

Materials Science · Physics 2017-06-16 A. Hrabec , M. Belmeguenai , A. Stashkevich , S. M. Cherif , S. Rohart , Y. Roussigne , A. Thiaville

In the quest for miniaturizing magnetic devices, the effects of boundaries and surfaces become increasingly important. Here we show how the recently predicted boundary-induced Dzyaloshinskii-Moriya interaction (DMI) affects the…

The antisymmetric Dzyaloshinkii-Moriya interaction (DMI) arises in systems with broken inversion symmetry and strong spin-orbit coupling. In conjunction with the isotropic and symmetric exchange interaction, magnetic anisotropy, the dipolar…

Mesoscale and Nanoscale Physics · Physics 2024-02-02 Evelyn Pratami Sinaga , Michael P. Adams , Eddwi H. Hasdeo , Andreas Michels

We show a method to control magnetic interfacial effects in multilayers with Dzyaloshinskii-Moriya interaction (DMI) using helium (He$^{+}$) ion irradiation. We report results from SQUID magnetometry, ferromagnetic resonance as well as…

Topological magnetic excitations rooted in Dzyaloshinskii-Moriya interaction (DMI) are promising information carriers for next-generation memory and spintronic devices. The recently discovered two-dimensional (2D) magnets provide fertile…

Materials Science · Physics 2021-11-23 Shunhong Zhang , Xiaoyin Li , Huisheng Zhang , Ping Cui , Xiaohong Xu , Zhenyu Zhang

Co2FeAl (CFA) ultrathin films, of various thicknesses (0.9 nm<tCFA<1.8 nm), have been grown by sputtering on Si substrates, using Ir as a buffer layer. The magnetic properties of the structures have been studied by vibrating sample…

Materials Science · Physics 2018-02-28 M. Belmeguenai , M. S. Gabor , Y. Roussigné , T. Petrisor , R. B. Mos , A. Stashkevich , S. M. Chérif , C. Tiusan

The microscopic origin of the electric Dzyaloshinskii-Moriya interaction (eDMI) is unveiled and discussed by analytical analysis and first-principles based calculations. As similar to the magnetic Dzyaloshinskii-Moriya interaction (mDMI),…

Materials Science · Physics 2022-12-14 Peng Chen , Hong Jian Zhao , Sergey Prosandeev , Sergey Artyukhin , Laurent Bellaiche

We theoretically study the effect of in- and out-of-plane Dzyaloshinskii-Moriya interaction (DMI) on the magnetic ground states of two-dimensional (2D) Fe$_3$GeXTe (X=Te, Se, S) monolayers, where X=Se, S correspond to antisymmetric Janus…

Mesoscale and Nanoscale Physics · Physics 2026-04-07 Rabia Caglayan , Louise Desplat , Sergey Nikolaev , Fatima Ibrahim , Jing Li , Yesim Mogulkoc , Aybey Mogulkoc , Mairbek Chshiev

Results of a comprehensive study by means of Brillouin spectroscopy, complemented by Ferromagnetic Resonance characterization, of spin waves (SW) propagating in Py/Pt bi-layers, characterized by pronounced interface Dzyaloshinskii-Moriya…

We characterize asymmetric growth of magnetic bubble domains in perpendicularly magnetized Co/Ni multi-layers grown on Pt$_x$Ir$_{1-x}$ seedlayers by application of perpendicular and in-plane magnetic fields. Using a refined model of domain…

Materials Science · Physics 2018-11-14 Derek Lau , James Price Pellegren , Hans Nembach , Justin Shaw , Vincent Sokalski

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

We show that the Dzyaloshinskii-Moriya interaction (DMI) can lead to a tilting of the domain wall (DW) surface in perpendicularly magnetized magnetic nanotracks when DW dynamics is driven by an easy axis magnetic field or a spin polarized…

Materials Science · Physics 2015-06-16 O. Boulle , S. Rohart , L. D. Buda-Prejbeanu , E. Jué , I. M. Miron , S. Pizzini , J. Vogel , G. Gaudin , A. Thiaville