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Writing and erasing skyrmions by single ultrafast laser pulses in monolayer Janus 2D magnets
Guangyao Miao, Yonglong Ga, Chang Liu +21
Skyrmions in 2D magnets are promising candidates for nonvolatile, low-power, and high-density spintronic memories. However, their experimental realization at the 2D limit remains c…
From Early Theories of Dzyaloshinskii-Moriya Interactions in Metallic Systems to Today's Novel Roads
Albert Fert, Mairbek Chshiev, André Thiaville +1
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…
Observation of colossal topological Hall effect in noncoplanar ferromagnet Cr5Te6 thin films
Yequan Chen, Yingmei Zhu, Renju Lin +15
The topological Hall effect (THE) is critical to the exploration of the spin chirality generated by the real-space Berry curvature, which has attracted worldwide attention for its…
Large and tunable magnetoresistance in van der Waals Ferromagnet/Semiconductor junctions
Wenkai Zhu, Yingmei Zhu, Tong Zhou +11
Magnetic tunnel junctions (MTJs) with conventional bulk ferromagnets separated by a nonmagnetic insulating layer are key building blocks in spintronics for magnetic sensors and mem…
Gradient-induced Dzyaloshinskii-Moriya interaction
Jinghua Liang, Mairbek Chshiev, Albert Fert +1
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…
Dzyaloshinskii-Moriya interaction and magnetic skyrmions induced by curvature
Yonglong Ga, Qirui Cui, Jinghua Liang +4
Realizing sizeable Dzyaloshinskii-Moriya interaction (DMI) in intrinsic two-dimensional (2D) magnets without any manipulation will greatly enrich potential application of spintroni…
Anisotropic Dzyaloshinskii-Moriya interaction protected by D2d crystal symmetry in two-dimensional ternary compounds
Yonglong Ga, Qirui Cui, Yingmei Zhu +4
Magnetic skyrmions, topologically protected chiral spin swirling quasiparticles, have attracted great attention in fundamental physics and applications. Recently, the discovery of…
Anisotropic Dzyaloshinskii-Moriya interaction and topological magnetism in two-dimensional magnets protected by P4-m2 crystal symmetry
Qirui Cui, Yingmei Zhu, Yonglong Ga +5
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…
Multiferroic materials based on transition-metal dichalcogenides: Potential platform for reversible control of Dzyaloshinskii-Moriya interaction and skyrmion via electric field
Ziji Shao, Jinghua Liang, Qirui Cui +4
Exploring novel two-dimensional multiferroic materials that can realize electric-field control of two-dimensional magnetism has become an emerging topic in spintronics. Using first…
Quantifying the Dzyaloshinskii-Moriya Interaction Induced by the Bulk Magnetic Asymmetry
Qihan Zhang, Jinghua Liang, Kaiqi Bi +15
A broken interfacial inversion symmetry in ultrathin ferromagnet/heavy metal (FM/HM) bilayers is generally believed to be a prerequisite for accommodating the Dzyaloshinskii-Moriya…
Skyrmions-based logic gates in one single nanotrack completely reconstructed via chirality barrier
Dongxing Yu, Hongxin Yang, Mairbek Chshiev +1
Logic gates based on magnetic elements are promising candidates for the logic-in-memory applications with nonvolatile data retention, near-zero leakage and scalability. In such spi…
Room-temperature ferromagnetism at an oxide/nitride interface
Qiao Jin, Zhiwen Wang, Qinghua Zhang +26
Heterointerfaces have led to the discovery of novel electronic and magnetic states because of their strongly entangled electronic degrees of freedom. Single-phase chromium compound…
Exchange coupling in synthetic anion-engineered chromia heterostructures
Shan Lin, Zhiwen Wang, Qinghua Zhang +15
Control of magnetic states by external factors has garnered a mainstream status in spintronic research for designing low power consumption and fast-response information storage and…
Rashba-type Dzyaloshinskii-Moriya interaction, perpendicular magnetic anisotropy and skyrmion states at 2D materials/Co interfaces
Ali Hallal, Jinghua Liang, Fatima Ibrahim +3
We report a significant Dzyaloshinskii-Moriya interaction (DMI) and perpendicular magnetic anisotropy (PMA) at interfaces comprising hexagonal boron nitride (h-BN) and Co. By compa…
Near-Room-Temperature Ferromagnetic Behavior of Single-Atom-Thick 2D Iron in Nanolaminated Ternary MAX Phases
Youbing Li, Jinghua Liang, Haoming Ding +13
Two dimensional (2D) ferromagnetic materials have attracted much attention in the fields of condensed matter physics and materials science, but their synthesis is still a challenge…
Structural Twinning-induced Insulating Phase in CrN (111) Films
Qiao Jin, Zhiwen Wang, Qinghua Zhang +15
Electronic states of a correlated material can be effectively modified by structural variations delivered from a single-crystal substrate. In this letter, we show that the CrN film…
Accelerated design of linear-superelastic Ti-Nb nanocomposite alloys with ultralow modulus via high-throughput phase-field simulations and machine learning
Yuquan Zhu, Tao Xu, Qinghua Wei +4
The controlled design of martensitic transformation (MT) to achieve specific properties is crucial for the innovative application of shape memory alloys (SMAs) in advanced technolo…
Strain-mediated high conductivity in ultrathin antiferromagnetic metallic nitrides
Qiao Jin, Hu Cheng, Zhiwen Wang +18
Strain engineering provides the ability to control the ground states and associated phase transition in the epitaxial films. However, the systematic study of intrinsic characters a…
Electrically switchable Rashba-type Dzyaloshinskii-Moriya interaction and skyrmion in two-dimensional magnetoelectric multiferroics
Jinghua Liang, Qirui Cui, Hongxin Yang
Realizing topological magnetism and its electric control are intensive topics in the spintronics due to their promising applications in information storage and logic technologies.…
Perpendicular magnetic anisotropy and Dzyaloshinskii-Moriya interaction at an oxide/ferromagnetic metal interface
Weinan Lin, Baishun Yang, Andy Paul Chen +13
We report on the study of both perpendicular magnetic anisotropy (PMA) and Dzyaloshinskii-Moriya interaction (DMI) at an oxide/ferromagnetic metal (FM) interface, i.e. BaTiO3 (BTO)…
Large anomalous Hall effect in a hexagonal ferromagnetic Fe5Sn3 single crystal
Hang Li, Bingwen Zhang, Jinghua Liang +10
In this paper, we report an experimental observation of the large anomalous Hall effect (AHE) in a hexagonal ferromagnetic Fe5Sn3 single crystal with current along the b axis and a…
Reversible control of Dzyaloshinskii-Moriya interaction at graphene/Co interface via hydrogen absorption
Baishun Yang, Qirui Cui, Jinghua Liang +2
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 magni…
Very large Dzyaloshinskii-Moriya interaction in two-dimensional Janus manganese dichalcogenides and its application to realize skyrmion states
Jinghua Liang, Weiwei Wang, Haifeng Du +5
The Dzyaloshinskii-Moriya interaction (DMI), which only exists in noncentrosymmetric systems, is responsible for the formation of exotic chiral magnetic states. The absence of DMI…
First-principles investigation of magnetocrystalline anisotropy oscillations in CoFeAl/Ta heterostructures
Junfeng Qiao, Shouzhong Peng, Youguang Zhang +2
We report first-principles investigations of magnetocrystalline anisotropy energy (MCAE) oscillations as a function of capping layer thickness in Heusler alloy Co\textsubscript{2}F…