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The discovery of atomically thin two-dimensional (2D) magnetic semiconductors has triggered enormous research interest recently. In this work, we use first-principles many-body perturbation theory to study a prototypical 2D ferromagnetic…

Materials Science · Physics 2022-02-01 Meng Wu , Zhenglu Li , Steven G. Louie

Magnetic topological insulator is a fertile platform to study the interplay between magnetism and topology. The unique electronic band structure can induce exotic transport and optical properties. However, a comprehensive optical study in…

Materials Science · Physics 2024-09-05 Xingyue Han , Hee Taek Yi , Seongshik Oh , Liang Wu

The Berry curvature dipole induced by symmetry breaking play a pivotal role in electronic transport properties and nonlinear responses, such as the nonlinear Hall effect and circular photogalvanic effect. The study of the Berry curvature…

Materials Science · Physics 2026-03-05 Wenzhe Zhou , Dehe Zhang , Guibo Zheng , Yinheng Li , Fangping Ouyang

The newly discovered 2D magnetic materials provide new opportunities for basic physics and device applications. However, their low Curie temperature (TC) is a common weakness. In this paper, by combining magnetic Hamiltonian, Wannier…

Materials Science · Physics 2020-11-06 Hongxing Li , Zi-Peng Cheng , Bin-Guang He , Wei-Bing Zhang

The magnetic ground state is crucial for the applications of the two-dimension magnets as it decides fundamental magnetic properties of the material, such as magnetic order, magnetic transition temperature, and low-energy excitation of the…

Materials Science · Physics 2024-12-06 Yue-Fei Hou , Shujing Li , Xinlong Yang , Wei Jiang , Qiuhao Wang , Fawei Zheng , Zhen-Guo Fu , Ping Zhang

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…

Van der Waals magnetic materials are an ideal platform to study low-dimensional magnetism. Opposed to other members of this family, the magnetic semiconductor CrSBr is highly resistant to degradation in air, which, besides its exceptional…

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 electronic and magnetic properties of pristine CrPSe$_3$ and mixed Cr$_{1\textrm{-}x}$M$_x$PSe$_3$ (M = Zn, Cd, Hg) monolayers were studied using density functional theory including an on-site Coulomb term (DFT$+U$) and tight-binding…

Materials Science · Physics 2021-12-23 Juntao Yang , Yong Zhou , Yuriy Dedkov , Elena Voloshina

Interplay of crystal symmetry, strong spin$-$orbit coupling (SOC), and many-body interactions in low dimensional materials provides a fertile ground for the discovery of unconventional electronic and magnetic properties and versatile…

Materials Science · Physics 2023-04-06 Eunseok Oh , Kyung-Hwan Jin , Han Woong Yeom

CrSb is an attractive material for room-temperature antiferromagnetic spintronic applications because of its high N\'{e}el temperature $\sim$700 K and semi-metallic character. We study the magnetic properties of CrSb bilayers on few-layer…

Mesoscale and Nanoscale Physics · Physics 2021-07-07 Chao Lei , Hua Chen , Allan H. MacDonald

We use density functional theory to explore the possibility of making the semiconducting transition-metal dichalcogenide MoS$_2$ ferromagnetic by introducing holes into the narrow Mo $d$ band that forms the top of the valence band. In the…

Materials Science · Physics 2019-12-25 Yuqiang Gao , Nirmal Ganguli , Paul J. Kelly

Layered magnetic materials are becoming a major platform for future spin-based applications. Particularly the air-stable van der Waals compound CrSBr is attracting considerable interest due to its prominent magneto-transport and…

The newly discovered two-dimensional magnetic semiconductors such as CrI$_3$ have triggered a surge of interest stemming from their exotic spin-dependent properties and potential applications in spintronics and magneto-optoelectronics.…

Materials Science · Physics 2022-07-12 Sukanya Ghosh , Natasa Stojic , Nadia Binggeli

Chromium triiodide is an intrinsically magnetic van der Waals material down to the single-layer limit. Here, we provide a first-principles description of finite-temperature magnetic and spectral properties of monolayer (ML) CrI$_3$ based on…

Strongly Correlated Electrons · Physics 2022-05-24 Yaroslav O. Kvashnin , Alexander N. Rudenko , Patrik Thunström , Malte Rösner , Mikhail I. Katsnelson

We propose a strategy to obtain conducting organic materials with fully spin-polarized Fermi surface, lying at a singular flat band, with antiferromagnetically coupled magnetic moments that reside in pi-orbitals of nanographenes. We…

Mesoscale and Nanoscale Physics · Physics 2026-04-17 J. Phillips , J. C. G. Henriques , J. Fernández-Rossier , A. T. Costa

A monolayer of CrI$_3$ is a two-dimensional crystal that in its equilibrium configuration is a ferromagnetic semiconductor, however, two coupled layers can be ferromagnetic or antiferromagnetic depending on the stacking. We study the…

Mesoscale and Nanoscale Physics · Physics 2020-04-07 Andrea Leon , J. W. González , J. Mejía-López , F. Crasto de Lima , E. Suárez Morell

Hexagonal chromium diboride CrB$_2$ is a metallic frustrated antiferromagnet with a N\'{e}el temperature $T_N \sim$ 88 K. In CrB$_2$, Cr 3$d$ electrons not only give rise to localized magnetic moments but also contribute to metallic…

Strongly Correlated Electrons · Physics 2026-05-26 Tadataka Watanabe , Mai Watanabe , Sakurako Suganuma , Andreas Bauer , Christian Pfleiderer

A newly identified magnetic phase called altermagnet is being actively studied because of its unprecedented spin-dependent phenomena. Among the candidate materials, CrSb has a particularly high ordering temperature and a large…

Materials Science · Physics 2024-09-02 Takahiro Urata , Wataru Hattori , Hiroshi Ikuta

Magneto-optical effect refers to a rotation of polarization plane, which has been widely studied in traditional ferromagnetic metal and insulator films and scarcely in two-dimensional layered materials. Here we uncover a new nonreciprocal…