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Room-temperature electrically-tuned coercivity and nonvolatile multi-states magnetization switching is crucial for next-generation low-power 2D spintronics. However, most methods have limited ability to adjust the coercivity of…

材料科学 · 物理学 2024-01-03 Gaojie Zhang , Hao Wu , Li Yang , Wen Jin , Bichen Xiao , Wenfeng Zhang , Haixin Chang

Room temperature ferromagnetism has been one of the most sought after topics in today's emerging field of spintronics. It is strongly believed that defect- and inhomogeneity- free sample growth should be the optimal route for achieving…

材料科学 · 物理学 2012-01-24 Akash Chakraborty , Richard Bouzerar , Stefan Kettemann , Georges Bouzerar

To obtain high-performance spintronic devices with high integration density, two-dimensional (2D) half-metallic materials are eagerly pursued all along. Here, we propose a stable 2D material with a honeycomb-kagome lattice, i.e., the Mg3C2…

材料科学 · 物理学 2018-07-04 Hongzhe Pan , Yin Han , Jianfu Li , Hongyu Zhang , Youwei Du , Nujiang Tang

Inspired by the successful synthesis of two-dimensional (2D) V-based Janus dichloride monolayers with intrinsic ferromagnetism and high Curie temperature (T$_{c}$), the electronic structure, spin-valley splitting and magnetic anisotropy of…

材料科学 · 物理学 2022-10-04 Cunquan Li , Yukai An

Achieving robust room-temperature ferromagnetism in purely organic 2D crystals remains a fundamental challenge, primarily due to antiferromagnetic (AFM) coupling mediated by {\pi}-electron superexchange. Here, we present a mix-topology…

材料科学 · 物理学 2025-08-26 Hongde Yu , Thomas Heine

In the framework of the diagrammatic method with self-consistent field, the maximum on the temperature dependence of the susceptibility of a weakly doped narrow-band Hubbard magnet below the Curie temperature $T_{\rm C}$ is predicted. By…

强关联电子 · 物理学 2010-06-07 E. E. Zubov

Atomically thin magnets are the key element to build up spintronics based on two-dimensional materials. The surface nature of two-dimensional ferromagnet opens up opportunities to improve the device performance efficiently. Here, we report…

介观与纳米尺度物理 · 物理学 2019-05-22 Zhaowei Zhang , Jingzhi Shang , Chongyun Jiang , Abdullah Rasmita , Weibo Gao , Ting Yu

Two-dimensional (2D) intrinsic half-metallic materials are of great interest to explore the exciting physics and applications of nanoscale spintronic devices, but no such materials have been experimentally realized. Using first-principles…

材料科学 · 物理学 2021-10-01 Tengfei Hu , Wenhui Wan , Yanfeng Ge , Yong Liu

Itinerant ferromagnetism at room temperature is a key ingredient for spin transport and manipulation. Here, we report the realization of nearly-room-temperature itinerant ferromagnetism in Co doped Fe5GeTe2 thin flakes. The ferromagnetic…

It is of great interest to explore intrinsic two-dimensional ferromagnetism and seek better two-dimensional quantum anomalous Hall insulator materials. Here, we show that the FeBr$_3$ monolayer is an intrinsic two-dimensional ferromagnetic…

介观与纳米尺度物理 · 物理学 2017-07-10 Shi-Hao Zhang , Bang-Gui Liu

Spin-related electronics using two dimensional (2D) van der Waals (vdW) materials as a platform are believed to hold great promise for revolutionizing the next generation spintronics. Although many emerging new phenomena have been…

Two-dimensional (2D) ferromagnetic materials present promising candidates for spintronic devices, and the half-metallic materials with 100% spin polarization at Fermi energy level are highly desired for many spin-based devices. 2D Janus…

材料科学 · 物理学 2022-04-19 Qiuyue Ma , Guochun Yang , Yong Liu

Two-dimensional (2D) materials showing room-temperature magnetism and high coercivity are desired for combining magnetism with semiconducting properties useful for spintronics. In this work, the magnetic properties of the 1T phase of…

Novel 2D ferromagnets with high Curie temperature and large perpendicular magnetic anisotropy are especially attractive owing to the future promising application in modern spintronics, but meanwhile the 2D ferromagnetic materials with high…

材料科学 · 物理学 2022-06-09 Haoyi Tan , Guangcun Shan , Jiliang Zhang

Altermagnetism has recently drawn considerable attention in three- and twodimensional materials. Here, we extend this concept to quasi-one-dimensional (Q1D) monolayers assembled from single-atomic magnetic chains. Through systematically…

材料科学 · 物理学 2025-07-04 Deping Guo , Canbo Zong , Weihan Zhang , Cong Wang , Junwei Liu , Wei Ji

Motivated by growing interest in atomically-thin van der Waals magnetic materials, we present an {\it ab initio} theoretical study of the dependence of their magnetic properties on the electron/hole density $\rho$ induced via the electrical…

强关联电子 · 物理学 2024-05-24 Guido Menichetti , Matteo Calandra , Marco Polini

The search for a two-dimensional material that simultaneously fulfills some properties for its use in spintronics and optoelectronics, i.e., a suitable bandgap with high in-plane carrier mobility and good environmental stability, is the…

材料科学 · 物理学 2023-10-05 I. Arias-Camacho , A. M León , J. Mejía-Lopez

Room temperature two-dimensional (2D) ferromagnetism is highly desired in practical spintronics applications. Recently, 1T phase CrTe2 (1T-CrTe2) nanosheets with five and thicker layers have been successfully synthesized, which all exhibit…

材料科学 · 物理学 2021-06-16 Pengfei Gao , Xingxing Li , Jinlong Yang

Heterostructures of two-dimensional (2D) van der Waals (vdW) magnets and topological insulators (TI) are of substantial interest as candidate materials for efficient spin-torque switching, quantum anomalous Hall effect, and chiral spin…

The recent discovery of two-dimensional (2D) magnetic materials which are compound of transition metal (TM) with other elements, has opened new avenues for basic research on low-dimensional magnetism and potential applications in…

介观与纳米尺度物理 · 物理学 2021-11-29 Xiaoxiong Ren , Junsheng Huang , Ping Li , Yun Zhang , Zhi-Xin Guo