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Related papers: Gradient-induced Dzyaloshinskii-Moriya interaction

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Interfacial Dzyaloshinskii-Moriya interaction (DMI) has long been observed in normal metal/ferromagnetic multilayers, enabling the formation of chiral domain walls, skyrmions and other 2D antisymmetric spin textures confined within a single…

Materials Science · Physics 2023-05-12 Yu-Hao Huang , Chao-Chung Huang , Wei-Bang Liao , Tian-Yue Chen , Chi-Feng Pai

Using first-principles calculations, we investigate the impact of hydrogenation on the Dzyaloshinskii-Moriya interaction (DMI) at graphene/Co interface. We find that both the magnitude and chirality of DMI can be controlled via…

Materials Science · Physics 2020-01-15 Baishun Yang , Qirui Cui , Jinghua Liang , Mairbek Chshiev , Hongxin Yang

Skyrmions are widely regarded as promising candidates for emergent spintronic devices. Dzyaloshinskii-Moriya interaction (DMI) is often critical to the generation and manipulation of skyrmions. However, there is a fundamental lack of…

Materials Science · Physics 2020-07-07 Priyamvada Jadaun , Leonard F Register , Sanjay K Banerjee

Ultrathin metallic ferromagnets on substrates with strong spin-orbit coupling can exhibit induced chiral interactions of the Dzyaloshinskii-Moriya (DM) form. For systems with perpendicular anisotropy, the presence of DM interactions has…

Materials Science · Physics 2014-06-17 Felipe Garcia-Sanchez , Pablo Borys , Arne Vansteenkiste , Joo-Von Kim , Robert L. Stamps

Graphene/ferromagnet interface promises a plethora of new science and technology. The interfacial Dzyaloshinskii Moriya interaction (iDMI) is essential for stabilizing chiral spin textures, which are important for future spintronic devices.…

We present a theory describing spiral magnets with Dzyaloshinskii-Moriya interaction (DMI) subject to bond disorder at small concentration $c$ of defects. It is assumed that both DMI and exchange coupling are changed on imperfect bonds.…

Strongly Correlated Electrons · Physics 2015-09-22 O. I. Utesov , A. V. Sizanov , A. V. Syromyatnikov

The Dzyaloshinskii-Moriya interaction (DMI) has an impact on excited spin waves in the chiral magnet Cu$_2$OSeO$_3$ by means of introducing asymmetry on their dispersion relations. The confined eigenmodes of a chiral magnet are hence no…

The recently discovered interlayer Dzyaloshinskii-Moriya interaction (IL-DMI) in multilayers with perpendicular magnetic anisotropy favors the canting of spins in the in-plane direction and could thus enable new exciting spin textures such…

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…

It is shown that a term in the form of Dzyaloshinskii-Moriya interaction (DMI) contributes to the free energy of a ferromagnetic (FM) film on a paramagnetic (PM) (an FM above the critical temperature, Tc) or superconducting (SC) substrate…

Mesoscale and Nanoscale Physics · Physics 2023-05-24 M. A. Kuznetsov , K. R. Mukhamatchin , A. A. Fraerman

Topological defects such as magnetic solitons, vortices, Bloch lines, and skyrmions have started to play an important role in modern magnetism because of their extraordinary stability, which can be exploited in the production of memory…

We study the effect of the Dzyaloshinskii-Moriya interaction (DMI) on current-induced magnetic switching of a perpendicularly magnetized heavy-metal/ferromagnet/oxide trilayer both experimentally and through micromagnetic simulations. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 N. Perez , E. Martinez , L. Torres , S. -H. Woo , S. Emori , G. S. D. Beach

Noncollinear spin textures in ferromagnetic ultrathin films are currently the subject of renewed interest since the discovery of the interfacial Dzyaloshinskii-Moriya interaction (DMI). This antisymmetric exchange interaction selects a…

The Dzyaloshinskii-Moriya (DM) interaction is an antisymmetric exchange interaction that is responsible for the emergence of chiral magnetism. The origin of the DM interaction, however, remains to be identified albeit the large number of…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Naoaki Kato , Masashi Kawaguchi , Yong-Chang Lau , Toru Kikuchi , Yoshinobu Nakatani , Masamitsu Hayashi

The interfacial Dyzaloshinskii-Moria interaction (DMI) helps to stabilize chiral domain walls and magnetic skyrmions, which will facilitate new magnetic memories and spintronics logic devices. The study of interfacial DMI in perpendicularly…

The interfacial Dzyaloshinskii-Moriya interaction (iDMI) is attracting great interests for spintronics. An iDMI constant larger than 3 mJ/m^2 is expected to minimize the size of skyrmions and to optimize the DW dynamics. In this study, we…

Mesoscale and Nanoscale Physics · Physics 2020-02-19 Anni Cao , Runze Chen , Xueying Zhang , Xinran Wang , Shiyang Lu , Shishen Yan , Bert Koopmans , Weisheng Zhao

As a fundamental magnetic parameter, Dzyaloshinskii-Moriya interaction (DMI), has gained a great deal of attention in the last two decades due to its critical role in formation of magnetic skyrmions. Recent discoveries of two-dimensional…

Materials Science · Physics 2022-05-18 Qirui Cui , Yingmei Zhu , Yonglong Ga , Jinghua Liang , Peng Li , Dongxing Yu , Ping Cui , Hongxin Yang

To stabilize the non-trivial spin textures, e.g., skyrmions or chiral domain walls in ultrathin magnetic films, an additional degree of freedom such as the interfacial Dzyaloshinskii-Moriya interaction (IDMI) must be induced by the strong…

We present the results of a systematic micromagnetic study of the effect of the Dzyaloshinskii-Moriya interaction (DMI) on the spin wave band structure of two one-dimensional magnonic crystals (MCs), both with the same periodicity p=300 nm,…

Mesoscale and Nanoscale Physics · Physics 2021-12-13 R. Silvania , M. Kuepferling , S. Tacchi , G. Carlotti

In order to increase the thermal stability of a magnetic random access memory (MRAM) cell, materials with high spin-orbit interaction are often introduced in the storage layer. As a side effect, a strong Dzyaloshinskii-Moriya interaction…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 J. Sampaio , A. V. Khvalkovskiy , M. Kuteifan , M. Cubukcu , D. Apalkov , V. Lomakin , V. Cros , N. Reyren
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