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相关论文: Direct observation of 2D magnons in atomically thi…

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Recently intrinsic ferromagnetism in two-dimensional(2D) van der Waals materials was discovered [1, 2, 3]. A monolayer of Chromiun triiodide(CrI3) is ferromagnetic while a bilayer structure was reported to be anti-ferro magnetic, moreover…

材料科学 · 物理学 2018-11-30 E. Suarez Morell , Andrea León , R. Hiroki Miwa , P. Vargas

Magnetic 2D materials hold promise to change the miniaturization paradigm of unidirectional photonic components. However, the integration of these materials in devices hinges on the accurate determination of the optical properties down to…

A monolayer of CrI3 has an amazing ferromagnetic ground-state. In this work, we calculate band structures and magnetic moments of tensile-strained and bent zigzag CrI3 nanoribbons with density functional theory. The edge iodine atoms form…

材料科学 · 物理学 2022-11-02 Hong Tang , Santosh Neupane , Qimin Yan , Adrienn Ruzsinszky

Transition metal di-iodides such as FeI2, NiI2 and CoI2 are an emerging class of 2D magnets exhibiting rich and diverse magnetic behaviour, but their study at the monolayer limit has been severely hindered by fabrication challenges due to…

Controlling the crystal structure is a powerful approach for manipulating the fundamental properties of solids. Unique to two-dimensional (2D) van der Waals materials, the control can be achieved by modifying the stacking order through…

介观与纳米尺度物理 · 物理学 2019-11-27 Weijong Chen , Zeyuan Sun , Lehua Gu , Xiaodong Xu , Shiwei Wu , Chunlei Gao

The latest discovery of ferromagnetism in atomically thin films of semiconductors Cr$_2$Ge$_2$Te$_6$ and CrI$_3$ has unleashed numerous opportunities for fundamental physics of magnetism in two-dimensional (2D) limit and also for…

介观与纳米尺度物理 · 物理学 2019-05-09 Vijay Kumar Gudelli , Guang-Yu Guo

Magnetic insulators are a key resource for next-generation spintronic and topological devices. The family of layered metal halides promises ultrathin insulating multiferroics, spin liquids, and ferromagnets, but new characterization methods…

The recent isolation of two-dimensional (2D) magnets offers tantalizing opportunities for spintronics and magnonics at the limit of miniaturization. One of the key advantages of atomically-thin materials is their outstanding deformation…

材料科学 · 物理学 2022-11-23 Dorye L. Esteras , Andrey Rybakov , Alberto M. Ruiz , José J. Baldoví

Atomically thin van der Waals magnetic materials have not only provided a fertile playground to explore basic physics in the two-dimensional (2D) limit but also created vast opportunities for novel ultrafast functional devices. Here we…

介观与纳米尺度物理 · 物理学 2024-08-20 F. Michael Bartram , Meng Li , Liangyang Liu , Zhiming Xu , Yongchao Wang , Mengqian Che , Hao Li , Yang Wu , Yong Xu , Jinsong Zhang , Shuo Yang , Luyi Yang

Two-dimensional honeycomb lattice ferromagnet chromium tri-iodide (CrI$_3$) has attracted tremendous interest because it retains ferromagnetism down to the monolayer limit and hosts intriguing topological magnons. As a prototypical van der…

材料科学 · 物理学 2026-05-08 Weiliang Yao , Matthew B. Stone , Colin L. Sarkis , Yi Li , Ruixian Liu , Xingye Lu , Pengcheng Dai

The interplay of polarization and magnetism in materials with light can create rich nonlinear magneto-optical (NLMO) effects, and the recent discovery of two-dimensional (2D) van der Waals magnets provides remarkable control over NLMO…

材料科学 · 物理学 2024-04-30 Dezhao Wu , Meng Ye , Haowei Chen , Yong Xu , Wenhui Duan

Chromium triiodide, CrI$_3$, is emerging as a promising magnetic two-dimensional semiconductor where spins are ferromagnetically aligned within a single layer. Potential applications in spintronics arise from an antiferromagnetic ordering…

Van der Waals (vdW) magnets have rapidly emerged as a fertile playground for novel fundamental physics and exciting applications. Despite the impressive developments over the past few years, technical limitations pose a severe challenge to…

介观与纳米尺度物理 · 物理学 2024-07-31 Woongki Na , Pyeongjae Park , Siwon Oh , Junghyun Kim , Allen Scheie , David Alan Tennant , Hyun Cheol Lee , Je-Geun Park , Hyeonsik Cheong

The mechanical properties of magnetic materials are instrumental for the development of the magnetoelastic theory and the optimization of strain-modulated magnetic devices. In particular, two-dimensional (2D) magnets hold promise to enlarge…

Recent advancements in 2D materials have revealed the potential of van der Waals magnets, and specifically of their magnetic anisotropy that allows applications down to the 2D limit. Among these materials, CrSBr has emerged as a promising…

Two-dimensional (2D) layered materials possess outstanding mechanical, electronic and optical properties, making them ideal materials for nanoelectromechanical applications. The recent discovery of 2D magnetic materials has promised a new…

介观与纳米尺度物理 · 物理学 2020-01-10 Shengwei Jiang , Hongchao Xie , Jie Shan , Kin Fai Mak

The observation of magnetic ordering in atomically thin CrI$_3$ and Cr$_2$Ge$_2$Te$_6$ monolayers has aroused intense interest in condensed matter physics and material science. Studies of van de Waals two-dimensional (2D) magnetic materials…

材料科学 · 物理学 2023-11-14 Tian-Xiang Qian , Ju Zhou , Tian-Yi Cai , Sheng Ju

Magnetic two-dimensional (2D) materials have received tremendous attention recently due to its potential application in spintronics and other magnetism related fields. To our knowledge, five kinds of 2D materials with intrinsic magnetism…

计算物理 · 物理学 2020-04-02 Songrui Wei , Dingchen Wang , Yadong Wei , Han Zhang

Two-dimensional (2D) magnetism has been long sought-after and only very recently realized in atomic crystals of magnetic van der Waals materials. So far, a comprehensive understanding of the magnetic excitations in such 2D magnets remains…

Atomically thin films of layered chromium triiodide (CrI$_3$) have recently been regarded as suitable candidates to a wide spectrum of technologically relevant applications, mainly owing to the opportunity they offer to achieve a reversible…

强关联电子 · 物理学 2020-05-01 Michele Pizzochero , Oleg V. Yazyev