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Van der Waals (vdW) heterostructures composed of two-dimensional (2D) transition metal dichalcogenides (TMD) and vdW magnetic materials offer an intriguing platform to functionalize valley and excitonic properties in non-magnetic TMDs.…

As a promising candidate for altermagnet, CrSb possesses a distinctive compensated spin split band structure that could bring groundbreaking concepts to the field of spintronics. In this work, we have grown high-quality CrSb single crystals…

Materials Science · Physics 2025-02-11 Yuqing Bai , Xinji Xiang , Shuang Pan , Shichao Zhang , Haifeng Chen Xi Chen , Zhida Han , Guizhou Xu , Feng Xu

Adsorption on a boundary line confining a monolayer of particles self-assembling into clusters is studied by MC simulations. We focus on a system of particles interacting via competing interaction potential in which effectively short-range…

Soft Condensed Matter · Physics 2020-01-22 E. Bildanau , J. Pȩkalski , V. Vikhrenko , A. Ciach

In recent years, enhanced light-matter interactions through a plethora of dipole-type polaritonic excitations have been observed in two-dimensional (2D) layered materials. In graphene, electrically tunable and highly confined…

We present a first-principles and quantum transport study of proximity-induced spin-orbit torque (SOT) in graphene on a trigonal CrSBr monolayer. Density functional theory combined with nonequilibrium Green's function calculations shows…

Mesoscale and Nanoscale Physics · Physics 2025-12-29 Maedeh Rassekh , Martin Gmitra

Monolayer transition metal dichalcogenide (TMDC) semiconductors exhibit strong excitonic optical resonances which serve as a microscopic, non-invasive probe into their fundamental properties. Like the hydrogen atom, such excitons can…

Optical spectroscopy of ultimately thin materials has significantly enhanced our understanding of collective excitations in low-dimensional semiconductors. This is particularly reflected by the rich physics of excitons in atomically thin…

The strong excitonic effect in monolayer transition metal dichalcogenide (TMD) semiconductors has enabled many fascinating light-matter interaction phenomena. Examples include strongly coupled exciton-polaritons and nearly perfect atomic…

Mesoscale and Nanoscale Physics · Physics 2021-04-13 Hongchao Xie , Shengwei Jiang , Daniel A. Rhodes , James C. Hone , Jie Shan , Kin Fai Mak

Unusual magnetic properties of Van der Waals type antiferromagnetic semiconductors make them highly attractive for spintronics and optoelectronics. A link between the magnetic and optical properties of those materials, required for…

Strain in two-dimensional (2D) transition metal dichalcogenide (TMD) has led to localized states with exciting optical properties, in particular in view of designing one photon sources. The naturally formed of the MoS2 monolayer deposed on…

Materials Science · Physics 2021-03-17 Adlen Smiri , Thierry Amand , Sihem Jaziri

A minimal model for multipole orders in CeB$_6$ shows that degeneracy of the quadrupole order parameters and strong spin-orbit coupling lead to peculiar temperature and magnetic-field dependences of the X-ray reflection intensity at…

Strongly Correlated Electrons · Physics 2016-08-31 Hiroshi N. Kono , Katsunori Kubo , Yoshio Kuramoto

Our ability to efficiently detect and generate far-infrared (i.e., terahertz) radiation is vital in areas spanning from biomedical imaging to interstellar spectroscopy. Despite decades of intense research, bridging the terahertz gap between…

Materials Science · Physics 2023-07-24 Zhao Tang , Greis J. Cruz , Fanhao Jia , Yabei Wu , Weiyi Xia , Peihong Zhang

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…

Despite being only a few atoms thick, single-layer two-dimensional (2D) materials display strong electron-photon interactions that could be utilized in efficient light modulators on extreme subwavelength scales. In various applications…

Mesoscale and Nanoscale Physics · Physics 2018-09-21 Sunny Gupta , Sharmila N. Shirodkar , Alex Kutana , Boris I. Yakobson

In the presence of an external magnetic field, the optical response of two-dimensional materials, whose charge carriers behave as massless Dirac fermions with arbitrary anisotropic Fermi velocity, is investigated. Using Kubo formalism, we…

Mesoscale and Nanoscale Physics · Physics 2017-07-27 Maurice Oliva-Leyva , Chumin Wang

Magnets with controllable magnetization and high critical temperature are essential for practical spintronics devices, among which the two-dimensional 1T-CrTe2 stands out because of its high experimental critical temperature up to about…

Materials Science · Physics 2025-10-14 Fengping Li , Bheema Lingam Chittari , Chao Lei , Jeil Jung

This paper investigates strain effects on the electronic and optical properties of monolayer GaSe using first-principles calculations. The deformation significantly alters energy dispersion, band gap, and the band edge states of GaSe. The…

Materials Science · Physics 2023-01-03 Vo Khuong Dien , Nguyen Thi Han , Wei-Bang Li , Kuang-I Lin , Ming-Fa Lin

Graphene is a privileged 2D platform for hosting confined light-matter excitations known as surface plasmon-polaritons (SPPs), as it possesses low intrinsic losses with a high degree of optical confinement. However, the inherently isotropic…

Optical responses of ferromagnetic materials with spin gauge field that drives intrinsic spin curren is theoretically studied. The conductivity tensor is calculated based on a linear response theory to the applied electric field taking…

Mesoscale and Nanoscale Physics · Physics 2020-09-07 Evgeny Karashtin , Gen Tatara

The optical properties of weakly-doped two-dimensional materials are dominated by strong exciton and trion absorption and luminescence features. In this article we examine the influence of moir\'e patterns in semiconductor heterobilayers on…

Mesoscale and Nanoscale Physics · Physics 2022-07-20 Yongxin Zeng , Allan H. MacDonald
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