266 citations · 888 across the 42 of their papers we have counts for
12 papers · 1 filter
Spectroscopic evidence of intra-unit-cell charge redistribution in charge-neutral magnetic topological insulator Sb-doped MnBi6Te10
Khanh Duy Nguyen, Gabriele Berruto, Seng Huat Lee +5
The magnetic topological insulator MnBiTe has emerged as a promising candidate for realizing the quantum anomalous Hall effect (QAHE), owing to its ability to retain f…
Surface-dominant transport in Weyl semimetal NbAs nanowires for next-generation interconnects
Yeryun Cheon, Mehrdad T. Kiani, Yi-Hsin Tu +20
Ongoing demands for smaller and more energy efficient electronic devices necessitate alternative interconnect materials with lower electrical resistivity at reduced dimensions. Des…
Imaging topological polar structures in marginally twisted 2D semiconductors
Thi-Hai-Yen Vu, Daniel Bennett, Gayani Nadeera Pallewella +16
Moire superlattices formed in van der Waals heterostructures due to twisting, lattice mismatch and strain present an opportunity for creating novel metamaterials with unique proper…
Pressure tunable quantum anomalous Hall states in a topological antiferromagnet
Su Kong Chong, Chao Lei, Jie Li +8
Mechanical modulation of the lattice parameter can modify the electronic structure and manipulate the magnetic coupling of a material without introducing impurities. Inspired by su…
Colossal nonreciprocal Hall effect and broadband frequency mixing due to a room temperature nonlinear Hall effect
Lujin Min, Yang Zhang, Zhijian Xie +8
Nonreciprocal (NR) charge transport in quantum materials has attracted enormous interest since it offers an avenue to investigate quantum symmetry related physics and holds many pr…
Layer-by-layer disentanglement of Bloch states via frequency-domain photoemission
Woojoo Lee, Sebastian Fernandez-Mulligan, Hengxin Tan +8
Layer-by-layer material engineering has enabled exotic quantum phenomena such as interfacial superconductivity and the quantum anomalous Hall effect. Meanwhile, deciphering electro…
Surprisingly large anomalous Hall effect and giant negative magnetoresistance in half-topological semimetals
Yanglin Zhu, Cheng-Yi Huang, Yu Wang +9
Large intrinsic anomalous Hall effect (AHE) due to the Berry curvature in magnetic topological semimetals is attracting enormous interest due to its fundamental importance and tech…
Strong Room-Temperature Bulk Nonlinear Hall Effect in a Spin-Valley Locked Dirac Material
Lujin Min, Hengxin Tan, Zhijian Xie +8
Nonlinear Hall effect (NLHE) is a new type of Hall effect with wide application prospects. Practical device applications require strong NLHE at room temperature (RT). However, prev…
Anomalous Landau quantization in intrinsic magnetic topological insulators
Su Kong Chong, Chao Lei, Seng Huat Lee +4
The intrinsic magnetic topological insulators, Mn(Bi1-xSbx)2Te4, in their spin-aligned strong field configuration have been identified as a Weyl semimetal with single pair of Weyl…
Nanomechanical Characterization of an Antiferromagnetic Topological Insulator
Shuwan Liu, Su Kong Chong, Dongwook Kim +7
The antiferromagnetic topological insulator MnBi2Te4 (MBT) exhibits an ideal platform to study exotic topological phenomena and magnetic properties. The transport signatures of mag…
Infrared Plasmons Propagate through a Hyperbolic Nodal Metal
Yinming Shao, Aaron J. Sternbach, Brian S. Y. Kim +16
Metals are canonical plasmonic media at infrared and optical wavelengths, allowing one to guide and manipulate light at the nano-scale. A special form of optical waveguiding is aff…
Ferromagnetic van der Waals compound MnSbBiTe
Yangyang Chen, Ya-Wen Chuang, Seng Huat Lee +12
The intersection of topology and magnetism represents a new playground to discover novel quantum phenomena and device concepts. In this work, we show that a van der Waals compound…