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The emergence of two-dimensional (2D) magnetic crystals and moir\'e engineering has opened the door for devising new magnetic ground states via competing interactions in moir\'e superlattices. Although a suite of interesting phenomena,…

The magnetic properties in two-dimensional van der Waals materials depend sensitively on structure. CrI3, as an example, has been recently demonstrated to exhibit distinct magnetic properties depending on the layer thickness and stacking…

The development of room-temperature magnetic semiconductors is critical for advancing spintronic technologies, yet van der Waals magnets like CrI3 exhibit intrinsically low Curie temperatures (Tc = 45 K). This study employs first-principles…

材料科学 · 物理学 2025-08-12 Qing-Han Yang , Jia-Wen Li , Xin-Wei Yi , Xiang Li , Jing-Yang You , Gang Su , Bo Gu

Two-dimensional (2D) intrinsic magnetic materials with high Curie temperature (Tc) coexisting with 100% spin-polarization are highly desirable for realizing promising spintronic devices. In the present work, the intrinsic magnetism of…

材料科学 · 物理学 2024-06-12 Fei Li , Yulu Ren , Wenhui Wan , Yong Liu , Yanfeng Ge

Layered transition-metal compounds with controllable magnetic behaviors provide many fascinating opportunities for the fabrication of high-performance magneto-electric and spintronic devices. The tuning of their electronic and magnetic…

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

Diverse interlayer tunability of physical properties of two-dimensional layers mostly lies in the covalent-like quasi-bonding that is significant in electronic structures but rather weak for energetics. Such characteristics result in…

材料科学 · 物理学 2019-04-03 Peiheng Jiang , Cong Wang , Dachuan Chen , Zhicheng Zhong , Zhe Yuan , Zhong-Yi Lu , Wei Ji

Identifying intrinsic low-dimensional ferromagnets with high transition temperature and electrically tunable magnetism is crucial for the development of miniaturized spintronics and magnetoelectrics. Recently long-range 2D ferromagnetism…

材料科学 · 物理学 2020-08-27 Hua Wang , Jingshan Qi , Xiaofeng Qian

Long-range magnetic orders in atomically thin ferromagnetic CrI3 give rise to new fascinating physics and application perspectives. The physical properties of two-dimensional (2D) ferromagnetism CrI3 are significantly influenced by…

Recent observation of intrinsic ferromagnetism in two-dimensional (2D) CrI$_3$ is associated with the large magnetic anisotropy due to strong spin-orbit coupling (SOC) of I. Magnetic anisotropy energy (MAE) defines the stability of…

介观与纳米尺度物理 · 物理学 2018-10-10 Lucas Webster , Jia-An Yan

wo-dimensional (2D) materials unique properties and their promising applications in post-silicon microelectronics have attracted significant attention in the past decade. Recently, ferromagnetic order with out-of-plane easy axis in a…

材料科学 · 物理学 2020-07-28 Maedeh Rassekh , Junjie He , Saber Farjami Shayesteh , Juan Jose Palacios

The monolayer of $\textrm{CrI}_3$ has been reported to exhibit the ferromagnetic order, with a Curie temperature of $45 K$ and off-plane easy axis, which has attracted much attention in the community of condensed matter physics. Using the…

强关联电子 · 物理学 2022-11-11 Bartosz Rzepkowski , Michał Kupczyński , Paweł Potasz , Arkadiusz Wójs

The discovery of 2-dimensional (2D) materials, such as CrI3, that retain magnetic ordering at monolayer thickness has resulted in a surge of research in 2D magnetism from both pure and applied perspectives. Here, we report a magneto-Raman…

CrI3 is a two-dimensional ferromagnetic van der Waals material with a charge gap of 1.1-1.2 eV. In this study, the electronic structure and magnetism of CrI3 are investigated by using density functional theory and dynamical mean-field…

强关联电子 · 物理学 2022-04-27 Tianye Yu , Rui Liu , Huican Mao , Xiaobo Ma , Guangwei Wang , Zhihong Yuan , Pengyu Zheng , Yiran Peng , Zhiping Yin

A recent theoretical study reported large effects of perpendicular electric fields on the atomic structure of a monolayer CrI3, which could be related to the microscopic origin of the technologically promising and experimentally observed…

材料科学 · 物理学 2019-07-24 S. Ghosh , N. Stojic , N. Binggeli

Magnetic phase transitions often occur spontaneously at specific critical temperatures. The presence of more than one critical temperature (Tc) has been observed in several compounds where the coexistence of competing magnetic orders…

Magnetic semiconductors are a powerful platform for understanding, utilizing and tuning the interplay between magnetic order and electronic transport. Compared to bulk crystals, two-dimensional magnetic semiconductors have greater…

Due to the high magnetic coupling strength between the Cr elements, the bulk phase CrO2 is one of several ferromagnetic oxides known to have the highest Curie temperature. When the dimensionality of the material is reduced from 3D to 2D,…

材料科学 · 物理学 2024-03-14 Yang Zhang , Xianggong Bo , Jimeng Jing , Lixia Wang , Shiqian Qiao , Hong Wu , Yong Pu , Feng Li

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

Layered transition metal trichalcogenides with the chemical formula $ABX_3$ have attracted recent interest as potential candidates for two-dimensional magnets. Using first-principles calculations within density functional theory, we…

材料科学 · 物理学 2015-08-11 Nikhil Sivadas , Matthew W. Daniels , Robert H. Swendsen , Satoshi Okamoto , Di Xiao