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Designing and realizing various magnetization textures in magnetic nanostructures are essential for developing novel magnetic nanodevices in modern information industry. Among all these textures, planar transverse domain walls (pTDWs) are…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Mingna Yu , Mei Li , Jie Lu

The ability to control light polarization state is critically important for diverse applications in information processing, telecommunications, and spectroscopy. Here, we propose that a stack of anisotropic van der Waals materials can…

The BiTeX family of polar van der Waals (vdW) semiconductors offers a unique platform for exploring the interplay between polar crystalline structure and nonlinear optical phenomena. Here, we utilize second harmonic generation (SHG)…

Assembling different two-dimensional (2D) crystals, covering a very broad range of properties, into van der Waals (vdW) heterostructures enables the unprecedented possibilities for combining the best of different ingredients in one…

Materials Science · Physics 2017-05-17 Jia-Bin Qiao , Yue Gong , Wei-Jie Zuo , Yi-Cong Wei , Dong-Lin Ma , Hong Yang , Ning Yang , Kai-Yao Qiao , Jin-An Shi , Lin Gu , Lin He

With the advance of on-chip nanophotonics, there is a high demand for high refractive index, low-loss materials. Currently, this technology is dominated by silicon, but van der Waals (vdW) materials with high refractive index can offer a…

Recently, optically active spin defects embedded in van der Waals (vdW) crystals have emerged as a transformative quantum sensing platform to explore cutting-edge materials science and quantum physics. Taking advantage of excellent…

Emerging two-dimensional transition metal dichalcogenides (TMDCs) offer a promising platform for on-chip integrated photonics because of their unique optical and electronic properties. Their naturally passivated surfaces make them highly…

In this article we review recent work on van der Waals (vdW) systems in which at least one of the components has strong spin-orbit coupling. We focus on a selection of vdW heterostructures to exemplify the type of interesting electronic…

Mesoscale and Nanoscale Physics · Physics 2020-06-04 Enrico Rossi , Christopher Triola

Mechanical confinement strategies, such as van der Waals (vdW) squeezing, have emerged as promising routes for synthesizing non-vdW two-dimensional (2D) layers, surprisingly yielding high-quality single crystals with lateral sizes…

Materials Science · Physics 2025-08-12 Yuxiang Gao , Zhicheng Zhong

More is left to do in the field of flat bands besides proposing theoretical models. One unexplored area is the flat bands featured in the van der Waals (vdW) materials. Exploring more flat-band material candidates and moving the promising…

Materials Science · Physics 2022-04-05 Jingyi Duan , Da-Shuai Ma , Run-Wu Zhang , Zeying Zhang , Chaoxi Cui , Wei Jiang , Zhi-Ming Yu , Yugui Yao

The advent of van der Waals (vdW) heterostructures has enabled formation of bespoke materials with atomic precision, where numerous quantum and topological phenomena have already been discovered. This atomic-layer tunability, however, comes…

Van der Waals (vdW) heterostructures, formed by stacking two-dimensional materials, offer highly tunable electronic and optical properties, with the twist angle between layers acting as a critical tuning parameter. While its impact on…

Van der Waals (vdW) heterostructures consisting of two dimensional materials offer a platform to obtain material by design and are very attractive owing to novel electronic states. Research on 2D van der Waals heterostructures (vdWH) has so…

Mesoscale and Nanoscale Physics · Physics 2017-05-11 Kyle Ray , Alexander E. Yore , Tong Mou , Sauraj Jha , K. K. H. Smithe , Bin Wang , Eric Pop , A. K. M. Newaz

As the focus of applied research in topological insulators (TI) evolves, the need to synthesize large-area TI films for practical device applications takes center stage. However, constructing scalable and adaptable processes for…

Mesoscale and Nanoscale Physics · Physics 2017-07-27 Tanuj Trivedi , Anupam Roy , Hema C. P. Movva , Emily S. Walker , Seth R. Bank , Dean P. Neikirk , Sanjay K. Banerjee

Compelling evidence suggests distinct correlated electron behavior may exist only in clean 2D materials such as 1T-TaS2. Unfortunately, experiment and theory suggest that extrinsic disorder in free standing 2D layers disrupts…

The recent demonstrations of van der Waals (vdW) nanophotonics have opened new pathways for manipulating the light-matter interaction in an intrinsic manner, leading to fascinating achievements in tunable magneto-optics by self-hybrid…

Optics · Physics 2025-03-06 Fuhuan Shen , Xinyi Zhao , Yungui Ma , Jianbin Xu

The advent of ferromagnetism in two-dimensional (2D) van der Waals (vdW) magnets has stimulated high interest in exploring topological magnetic textures, such as skyrmions for use in future skyrmion-based spintronic devices. To engineer…

Recent reports on machine learning (ML) and machine vision (MV) devices have demonstrated the potentials of 2D materials and devices. Yet, scalable 2D devices are being challenged by contact resistance and Fermi Level Pinning (FLP), power…

Van der Waals (vdW) semiconductors are attractive for highly scaled devices and heterogeneous integration since they can be isolated into self-passivated, two-dimensional (2D) layers that enable superior electrostatic control. These…

Mesoscale and Nanoscale Physics · Physics 2020-03-24 Jinshui Miao , Xiwen Liu , Kiyoung Jo , Kang He , Ravindra Saxena , Baokun Song , Huiqin Zhang , Jiale He , Myung-Geun Han , Weida Hu , Deep Jariwala

Nonlinear frequency conversion provides essential tools for light generation, photon entanglement, and manipulation. Transition metal dichalcogenides (TMDs) possess huge nonlinear susceptibilities and 3R-stacked TMD crystals further combine…