Topological materials discovery from crystal symmetry
Topological materials discovery has evolved at a rapid pace over the past 15 years following
the identification of the first nonmagnetic topological insulators (TIs), topological crystalline …
the identification of the first nonmagnetic topological insulators (TIs), topological crystalline …
Topology and geometry under the nonlinear electromagnetic spotlight
For many materials, a precise knowledge of their dispersion spectra is insufficient to predict
their ordered phases and physical responses. Instead, these materials are classified by the …
their ordered phases and physical responses. Instead, these materials are classified by the …
Helicity-dependent photocurrents in the chiral Weyl semimetal RhSi
Weyl semimetals are crystals in which electron bands cross at isolated points in momentum
space. Associated with each crossing point (or Weyl node) is a topological invariant known …
space. Associated with each crossing point (or Weyl node) is a topological invariant known …
Light control with Weyl semimetals
Weyl semimetals are topological materials whose electron quasiparticles obey the Weyl
equation. They possess many unusual properties that may lead to new applications. This is …
equation. They possess many unusual properties that may lead to new applications. This is …
Terahertz Nonlinear Hall Rectifiers Based on Spin‐Polarized Topological Electronic States in 1T‐CoTe2
The zero‐magnetic‐field nonlinear Hall effect (NLHE) refers to the second‐order transverse
current induced by an applied alternating electric field; it indicates the topological properties …
current induced by an applied alternating electric field; it indicates the topological properties …
A light-induced phononic symmetry switch and giant dissipationless topological photocurrent in ZrTe5
Dissipationless currents from topologically protected states are promising for disorder-
tolerant electronics and quantum computation. Here, we photogenerate giant anisotropic …
tolerant electronics and quantum computation. Here, we photogenerate giant anisotropic …
Photocurrent detection of the orbital angular momentum of light
Applications that use the orbital angular momentum (OAM) of light show promise for
increasing the bandwidth of optical communication networks. However, direct photocurrent …
increasing the bandwidth of optical communication networks. However, direct photocurrent …
Hybrid Dirac semimetal-based photodetector with efficient low-energy photon harvesting
L Wang, L Han, W Guo, L Zhang, C Yao… - Light: Science & …, 2022 - nature.com
Despite the considerable effort, fast and highly sensitive photodetection is not widely
available at the low-photon-energy range (~ meV) of the electromagnetic spectrum, owing to …
available at the low-photon-energy range (~ meV) of the electromagnetic spectrum, owing to …
Twisted black phosphorus–based van der Waals stacks for fiber-integrated polarimeters
The real-time, in-line analysis of light polarization is critical in optical networks, currently
suffering from complex systems with numerous bulky opto-electro-mechanical elements …
suffering from complex systems with numerous bulky opto-electro-mechanical elements …
Room-temperature electrically switchable spin–valley coupling in a van der Waals ferroelectric halide perovskite with persistent spin helix
Spintronic devices, by harnessing the spin degree of freedom, are expected to outperform
charge-based devices in terms of energy efficiency and speed of operation. The use of an …
charge-based devices in terms of energy efficiency and speed of operation. The use of an …