Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Light-induced emergent phenomena in 2D materials and topological materials

C Bao, P Tang, D Sun, S Zhou - Nature Reviews Physics, 2022 - nature.com
Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

Intelligent infrared sensing enabled by tunable moiré quantum geometry

C Ma, S Yuan, P Cheung, K Watanabe, T Taniguchi… - Nature, 2022 - nature.com
Quantum geometric properties of Bloch wave functions in solids, that is, Berry curvature and
the quantum metric, are known to significantly influence the ground-and excited-state …

Engineering symmetry breaking in 2D layered materials

L Du, T Hasan, A Castellanos-Gomez, GB Liu… - Nature Reviews …, 2021 - nature.com
Symmetry breaking in 2D layered materials plays a significant role in their macroscopic
electrical, optical, magnetic and topological properties, including, but not limited to, spin …

Flexo-photovoltaic effect in MoS2

J Jiang, Z Chen, Y Hu, Y Xiang, L Zhang… - Nature …, 2021 - nature.com
Abstract The theoretical Shockley–Queisser limit of photon–electricity conversion in a
conventional p–n junction could be potentially overcome by the bulk photovoltaic effect that …

Weyl, Dirac and high-fold chiral fermions in topological quantum matter

MZ Hasan, G Chang, I Belopolski, G Bian… - Nature Reviews …, 2021 - nature.com
Quantum materials hosting Weyl fermions have opened a new era of research in condensed
matter physics. First proposed in 1929 in the context of particle physics, Weyl fermions have …

Giant bulk piezophotovoltaic effect in 3R-MoS2

Y Dong, MM Yang, M Yoshii, S Matsuoka… - Nature …, 2023 - nature.com
Given its innate coupling with wavefunction geometry in solids and its potential to boost the
solar energy conversion efficiency, the bulk photovoltaic effect (BPVE) has been of …

Photocurrent as a multiphysics diagnostic of quantum materials

Q Ma, R Krishna Kumar, SY Xu, FHL Koppens… - Nature Reviews …, 2023 - nature.com
The photoexcitation life cycle from incident photon (and creation of photoexcited electron–
hole pair) to ultimate extraction of electrical current is a complex multiphysics process …

Manipulation of nonlinear optical responses in layered ferroelectric niobium oxide dihalides

L Ye, W Zhou, D Huang, X Jiang, Q Guo, X Cao… - Nature …, 2023 - nature.com
Realization of highly tunable second-order nonlinear optical responses, eg, second-
harmonic generation and bulk photovoltaic effect, is critical for developing modern optical …

Zero-bias mid-infrared graphene photodetectors with bulk photoresponse and calibration-free polarization detection

J Wei, Y Li, L Wang, W Liao, B Dong, C Xu… - Nature …, 2020 - nature.com
Bulk photovoltaic effect (BPVE), featuring polarization-dependent uniform photoresponse at
zero external bias, holds potential for exceeding the Shockley-Queisser limit in the efficiency …