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Dzyaloshinskii-Moriya interaction (DMI) is vital to form various chiral spin textures, novel behaviors of magnons and permits their potential applications in energy-efficient spintronic devices. Here, we realize a sizable bulk DMI in a…

Dzyaloshinskii-Moriya interaction (DMI) manifesting in asymmetric layered ferromagnetic films gives rise to non-colinear spin structures stabilizing magnetization configurations with nontrivial topology. In this work magnetization reversal,…

The Dzyaloshinskii-Moriya interaction (DMI) that arises in the magnetic systems with broken inversion symmetry plays an essential role in topological spintronics. Here, by means of atomistic spin calculations, we study an intriguing type of…

材料科学 · 物理学 2022-12-13 Jinghua Liang , Mairbek Chshiev , Albert Fert , Hongxin Yang

Recent development of the magnetic material engineering led to achievement of the systems with a high interfacial Dzyaloshinskii-Moriya interaction (DMI). As a result, the formation of non-collinear magnetic soliton states or nonreciprocal…

The Dzyaloshinskii-Moriya interaction (DMI) plays a critical role in stabilizing topological spin textures, a key area of growing interest in oxide-based spintronics. While most of reported topological phenomena found in manganites are…

材料科学 · 物理学 2024-08-12 L. Yang , X. Zhang , H. Wang , N. Lei , J. Wang , Y. Sun , L. Liu , Z. Zhao , Y. Yang , D. Wei , D. Pan , J. Zhao , J. Shen , W. g Zhao , H. Lu , W. Wang , H. Yu

Electric control of magnetism is a prerequisite for efficient and low power spintronic devices. More specifically, in heavy metal/ ferromagnet/ insulator heterostructures, voltage gating has been shown to locally and dynamically tune…

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…

介观与纳米尺度物理 · 物理学 2023-05-24 M. A. Kuznetsov , K. R. Mukhamatchin , A. A. Fraerman

Since the early 1960's, the discovery of Dzyaloshinskii-Moriya interaction (DMI) helped to explain the physical mechanisms behind certain magnetic phenomena, such as net moment in antiferromagnets, or enhanced anisotropy field from heavy…

材料科学 · 物理学 2023-05-04 Albert Fert , Mairbek Chshiev , André Thiaville , Hongxin Yang

The Dzyaloshinskii-Moriya Interaction (DMI) has recently attracted considerable interest owing to its fundamental role in the stabilization of chiral spin textures in ultrathin ferromagnets, which are interesting candidates for future…

We report on the Dzyaloshinskii-Moriya (DMI) interaction at the interface between a ferromagnet and an oxide. We demonstrate experimentally that oxides can give rise to DMI. By comparison of systems comprised of Pt/Co90Fe10/Oxide and…

材料科学 · 物理学 2020-01-29 Hans T. Nembach , Emilie Jué , Eric R. Evarts , Justin M. Shaw

The Dzyaloshinskii Moriya interaction (DMI) generates intriguing chiral magnetic objects such as magnetic skyrmions and chiral domain walls that can be used as building blocks in emerging magnetic nanodevices. To achieve better stability…

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…

The Dzyaloshinskii Moriya Interaction (DMI) at the heavy metal (HM) and ferromagnetic metal (FM) interface has been recognized as a key ingredient in spintronic applications. Here we investigate the chemical trend of DMI on the 5d band…

材料科学 · 物理学 2018-04-17 Xin Ma , Guoqiang Yu , Chi Tang , Xiang Li , Congli He , Jing Shi , Kang L. Wang , Xiaoqin Li

The magnetic interfacial Dzyaloshinskii-Moriya interaction (DMI) in multi-layered thin films can lead to exotic chiral spin states, of paramount importance for future spintronic technologies. Interfacial DMI is normally manifested as an…

介观与纳米尺度物理 · 物理学 2019-06-06 Amalio Fernández-Pacheco , Elena Vedmedenko , Fanny Ummelen , Rhodri Mansell , Dorothée Petit , Russell P. Cowburn

The interface between a ferromagnet (FM) or antiferromagnet (AFM) and a heavy metal (HM) results in an antisymmetric exchange interaction known as the interfacial Dzyaloshinskii-Moriya interaction (iDMI) which favors non-collinear spin…

材料科学 · 物理学 2021-01-04 Md. Rakibul Karim Akanda , In Jun Park , Roger K. Lake

We investigate the magnetization and the Dzyaloshinskii-Moriya interactions (DMI) in Pt/Co/Re thin films in the case of perfect interfaces and upon the introduction of intermixing on both Co interfaces. Calculations were implemented on a…

材料科学 · 物理学 2024-01-24 Amar Fakhredine , Andrzej Wawro , Carmine Autieri

In this work, we discuss the nature of Dzyaloshinskii-Moriya interaction (DMI) in transition metal heterostructures. We first derive the expression of DMI in the small spatial gradient limit using Keldysh formalism. This derivation provides…

介观与纳米尺度物理 · 物理学 2021-01-04 Ahmed Hajr , Abdulkarim Hariri , Guilhem Manchon , Sumit Ghosh , Aurelien Manchon

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…

介观与纳米尺度物理 · 物理学 2020-02-19 Anni Cao , Runze Chen , Xueying Zhang , Xinran Wang , Shiyang Lu , Shishen Yan , Bert Koopmans , Weisheng Zhao

The Dzyaloshinskii-Moriya interaction (DMI) is a chiral interaction that favors formation of domain walls. Recent experiments and ab initio calculations show that there are multiple ways to modify the strength of the interfacially induced…

材料科学 · 物理学 2017-04-05 Jeroen Mulkers , Bartel Van Waeyenberge , Milorad V. Milošević

Dzyaloshinskii-Moriya interaction (DMI) in magnetic objects is of enormous interest, because it generates a built-in chirality of magnetic domain walls (DWs) and topologically-protected skyrmions for efficient motion driven by spin-orbit…

材料科学 · 物理学 2016-08-15 Duck-Ho Kim , Sang-Cheol Yoo , Dae-Yun Kim , Byoung-Chul Min , Sug-Bong Choe